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Carrier Corporation patents


Recent patent applications related to Carrier Corporation. Carrier Corporation is listed as an Agent/Assignee. Note: Carrier Corporation may have other listings under different names/spellings. We're not affiliated with Carrier Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Carrier Corporation-related inventors


 new patent  Safety automation system and method of operation

A safety automation system (20) for an occupiable structure and method of operation includes a plurality of detection devices (30) to facilitate the detection of a hazard condition and output a hazard detected signal to a computing management system (44) that may be a cloud computing system. The management system includes a computer processor (46), and a computer readable storage medium (48) capable of generating various notifications to a mobile user interface device (32).. ... Carrier Corporation

 new patent  Gas sensor for detecting hydrocarbons

A gas sensor includes a housing (22) having disposed therein a membrane electrode assembly comprising a sensing electrode (14), a counter electrode (16), and a solid polymer electrolyte (12) disposed between the sensing electrode and the counter electrode. The sensing electrode comprises a first catalyst comprising noble metal nanoparticles (34). ... Carrier Corporation

 new patent  Transport refrigeration unit

A transport refrigeration unit (26) includes a dedicated combustion engine system (56), an evaporator (50), and a de-frost heat exchanger (78) constructed and arranged to flow engine coolant in a heated state for defrosting the evaporator (50) when the dedicated combustion engine system (56) is not running. A method of operation may include running a defrost cycle of the unit (26) utilizing the heated coolant whether or not an associated internal combustion engine (66) of the unit (26) is running.. ... Carrier Corporation

 new patent  Child carrier

A child carrier having a waist belt, an upper torso support, a hammock coupled to the waist belt and to the upper torso support, and a thigh support strap extending to each side of the hammock. Each thigh support strap has an inward end portion proximate to the hammock and an outward end portion configured for selective coupling to the upper torso support in multiple positions. ... Carrier Corporation

Refrigerating system and purification method for the same

The present invention provides a refrigerating system, including: a refrigerating loop, including a compressor, a condenser, a throttling element, and an evaporator that are connected in sequence through a pipeline; and a purification loop, connected to the refrigerating loop and configured to separate a pressure maintaining gas in the refrigerating loop; wherein the refrigerating loop is connected into the purification loop from the top of the condenser or the top of the compressor. The present invention further provides a purification method for a refrigerating system, including: in a first time period, performing s1: charging, into the refrigerating system, a refrigerant that satisfies a designed refrigerating capacity; and s2: charging a pressure maintaining gas into the refrigerating system, so that pressure in the refrigerating system is higher than atmospheric pressure; and in a second time period, performing s3: separating and discharging the pressure maintaining gas in the refrigerating system.. ... Carrier Corporation

Ejector heat pump

A vapor compression system (200; 400; 600; 700; 800; 900; 1000) comprises a plurality of valves (260, 262, 264; 260) controllable to define a first mode flowpath and a second mode flowpath. The first mode flowpath is sequentially through: a compressor (22); a first heat exchanger (30); a first nozzle (228; 624); and a separator (48), and then branching into: a first branch returning to the compressor; and a second branch passing through an expansion device (70) and a second heat exchanger (64) to the rejoin the flowpath between the first heat exchanger and the separator. ... Carrier Corporation

Liquid sensing for refrigerant-lubricated bearings

A vapor compression system comprises a compressor (22). The compressor comprises an inlet (40) and an outlet (42) and an electric motor (28). ... Carrier Corporation

Heat transfer system with tribofilm on bearing surface

A heat transfer system is disclosed that includes a circulation loop of a heat transfer fluid that comprises a halocarbon. The circulation loop includes a compressor or pump that includes bearing rolling surfaces in contact with the heat transfer fluid. ... Carrier Corporation

Mulitlevel distribution system for evaporator

A falling film evaporator includes a housing and a plurality of evaporator tubes located in the housing. A liquid refrigerant distribution system is positioned in the housing and includes a manifold having a plurality of manifold outlet openings and a baffle positioned between the manifold and a distribution vessel and comprising a plurality of baffle openings. ... Carrier Corporation

Connecting rod folding mechanism and cot having same

Provided are a connecting rod folding mechanism and a cot having the same. The connecting rod folding mechanism includes: an upper surrounding joint connecting rod folding mechanism and an corner connecting rod folding mechanism; the corner connecting rod folding mechanism includes an upper connecting rod, a lower connecting rod and a pull-cord rod; the lower connecting rod is connected with the pull-cord rod; the upper connecting rod is connected with an upper surrounding tube; the upper connecting rod is movably connected with the lower connecting rod; the lower connecting rod is arranged in the pull-cord rod; the pull-cord rod is provided with an engaging structure; the lower connecting rod penetrates through the engaging structure and is connected with a pulling mechanism; the pulling mechanism is arranged in a vertical column; and one end of the vertical column is connected to the corner connecting rod folding mechanism.. ... Carrier Corporation

Microtube heat exchanger

A heat exchanger is provided including an inlet manifold and an outlet manifold arranged generally parallel to the inlet manifold and being spaced therefrom by a distance. A plurality of rows of microtubes is aligned in a substantially parallel relationship. ... Carrier Corporation

Two phase distributor evaporator

A heat exchanger is provided including a plurality of parallel stacked plates defining at least one flow passage there between. A manifold having a generally hollow interior is arranged adjacent the plurality of parallel plates. ... Carrier Corporation

Cargo-neutral diagnostic system, climate controlled mobile cargo container having a cargo-neutral diagnostic system and method

A cargo-neutral climate control diagnostic system for a climate controlled mobile container includes a controller configured and disposed to be connected to one or more climate control components. The controller is configured and disposed to identify a cargo-neutral test opportunity and conduct a test to determine an operational state of the one or more climate control components of the climate controlled mobile cargo container while maintaining a desired environment.. ... Carrier Corporation

Methods and systems for controlling integrated air conditioning systems

An integrated air conditioning system having a first air conditioning unit having a first evaporator with a first input and a first output; a second air conditioning unit having a second evaporator with a second input and a second output; a first conduit fluidly connecting the first input with the second output; a second conduit fluidly connecting the second input with the first output. The first and second conduits and the first and second evaporators form a working fluid circuit.. ... Carrier Corporation

06/07/18 / #20180156501

Screw compressor economizer plenum for pulsation reduction

A compressor (22) has a male rotor (52), a female rotor (54), and a housing (50). The housing has a first bore (114) and a second bore (116) respectively accommodating portions of the male rotor and the female rotor. ... Carrier Corporation

06/07/18 / #20180156499

Ejector system and methods of operation

A vapor compression system (200; 300; 400) comprising: a compressor (22); a first heat exchanger (30); a second heat exchanger (64); an ejector (38); separator (48); and an expansion device (70). A plurality of conduits are positioned to define a first flowpath sequentially through: the compressor; the first heat exchanger; the ejector from a motive flow inlet through (40) an outlet (44); and the separator, and then branching into: a first branch returning to the compressor; and a second branch passing through the expansion device and second heat exchanger to a secondary flow inlet (42). ... Carrier Corporation

06/07/18 / #20180156216

Rotary compressor and refrigerating cycle device

A rotary compressor has a blade which is provided in a cylinder so that reciprocating movement can be performed. The blade partitions a cylinder chamber into a suction chamber and a compression chamber by making a tip end portion of the blade contact the outer peripheral surface of a roller. ... Carrier Corporation

06/07/18 / #20180154739

Refrigerated container and duct extension

A duct (100) comprises the molded combination of: an inlet flange (110) surrounding an inlet (102), the inlet having a height and a width; and body (112) extending from the inlet to an outlet (104) and having a body interior that laterally outwardly diverges and upwardly shifts from the inlet toward the outlet.. . ... Carrier Corporation

05/31/18 / #20180149434

Plate heat exchanger

A plate heat exchanger includes a plurality of main plates stacked to define a first cavity to direct a first fluid therethrough and a second cavity to direct a second fluid therethrough, the second fluid different from and kept separated from the first fluid. Each main plate has one or more peaks and one or more valleys formed therein. ... Carrier Corporation

05/24/18 / #20180142927

Ejector refrigeration circuit

An ejector refrigeration circuit (1) comprises a high pressure ejector circuit (3) comprising in the direction of flow of a circulating refrigerant: a heat rejecting heat exchanger/gas cooler (4) having an inlet side (4a) and an outlet side (4b); at least two variable ejectors (6, 7) with different capacities connected in parallel, each of the variable ejectors (6, 7) comprising a primary high pressure input port (6a, 7a), a secondary low pressure input port (6b, 7b) and an output port (6c, 7c); wherein the primary high pressure input ports (6a, 7a) of the at least two variable ejectors (6, 7) are fluidly connected to the outlet side (4b) of the heat rejecting heat exchanger/gas cooler (4); a receiver (8), having an inlet (8a), a liquid outlet (8c), and a gas outlet (8b), wherein the inlet (8a) is fluidly connected to the output ports (6c, 7c) of the at least two variable ejectors (6, 7); at least one compressor (2a, 2b, 2c) having an inlet side (21a, 21 b, 21c) and an outlet side (22a, 22b, 22c), the inlet side (21a, 21 b, 21c) of the at least one compressor (2a, 2b, 2c) being fluidly connected to the gas outlet (8b) of the receiver (8), and the outlet side (22a, 22b, 22c) of the at least one compressor (2a, 2b, 2c) being fluidly connected to the inlet side (4a) of the heat rejecting heat exchanger/gas cooler (4). The ejector refrigeration circuit (1) further comprises a refrigerating evaporator flowpath (5) comprising in the direction of flow of the circulating refrigerant: at least one refrigeration expansion device (10) having an inlet side (10a), fluidly connected to the liquid outlet (8c) of the receiver (8), and an outlet side (7b); at least one refrigeration evaporator (12) fluidly connected between the outlet side (10b) of the at least one refrigeration expansion device (10) and the secondary low pressure input ports (6b, 7b) of the at least two variable ejectors (6, 7).. ... Carrier Corporation

05/24/18 / #20180142915

Hvac system start/stop control

A control system for an hvac system having at least one hvac component, the control system comprising: a controller having a processor and a memory, the controller in signal communication with the at least one hvac component, the controller configured to: determine a startup/shut-down setpoint and the time associated with a beginning or an end of a building occupancy period; determine a predicted weather condition for outside air at a location of the hvac system; predict a set of indoor air conditions over the period from the current time until the building being occupied/unoccupied based on the determined setpoint and time and the predicted weather condition; and start/stop the at least one hvac component when an actual room air condition approaches the predicted indoor air condition.. . ... Carrier Corporation

05/10/18 / #20180132183

Wireless device power saving system and method

A system and method for managing power consumption in a wireless network, including an hvac system with a wireless network. The method and system include, a first wireless device configured as a master, the master operates in one of a central role and observer role and a second wireless device configured as a slave, wherein a slave operates in one of a first role and a second role, the first wireless device and the second wireless device exchange data over the wireless network. ... Carrier Corporation

05/10/18 / #20180128551

Plate heat exchanger and reversible refrigerating machine including such an exchanger

This exchanger (1100), including superposed plates (2a-2l) which are inserted between two end plates (11, 12) and which define channels for circulation of heat-exchanging fluid. These channels delimit a first circuit (c1) for circulation of a first heat-exchanging fluid, comprising a single pass, and a second circuit (c2) for circulation of a second heat-exchanging fluid, comprising two passes opposite one another, so that, for each direction of circulation of the second heat-exchanging fluid in the second circuit, one of the two passes of the second circuit is co-current with respect to the pass of the first circuit, while the other of the two passes of the second circuit is counter-current with respect to the pass of the first circuit.. ... Carrier Corporation

05/10/18 / #20180128542

Edge fluorescing acrylic light bar display for transportation refrigeration units

An indicator display (20) comprises a fluorescent plastic first member (30) of a first color and having a first face (40) and a fluorescent plastic second member (32) of a second color, different from the first color, and having a first face (42). One or more first light emitting diodes (60) are between the first member and the second member and positioned to illuminate the first member preferentially to the second member. ... Carrier Corporation

05/10/18 / #20180128254

Economized reciprocating compressor

A compressor (22) has: a case (32) defining: a first cylinder bank (70) having a plurality of cylinders (76, 77); a cylinder head (100); a suction port (26); a discharge port (28); and an economizer port (30); a plurality of pistons, each individually associated with a respective one of the cylinders; and a crankshaft (202) held by the case for rotation about a crankshaft axis and coupled to the pistons. The first cylinder bank cylinder head is divided into: a first suction chamber (130); a second suction chamber (132); and a single discharge chamber (128). ... Carrier Corporation

05/03/18 / #20180123252

Antenna with reversing current elements

An antenna assembly including a first conductive element including a first q-value and a first impedance value, a second conductive element including a second q-value and a second impedance value, and a current reversing element in communication with the first conductive element and the second conductive element.. . ... Carrier Corporation

05/03/18 / #20180121571

Floor plan based planning of building systems

A method for planning a building system includes incorporating user requirements into a floor plan accessed through a mobile device. An installation map is generated of locations for components corresponding to the user requirements. ... Carrier Corporation

05/03/18 / #20180120793

Floor plan coverage based auto pairing and parameter setting

A method for auto-configuration of components in a building includes placing components on a floor plan using a mobile device equipped with a user interface. The coverage region of any given component is estimated and operational settings for each component, including pairing with other components, is automatically assigned based on classification of each component and estimated coverage regions.. ... Carrier Corporation

05/03/18 / #20180120032

Integrated fan heat exchanger

An integrated fan heat exchanger stator assembly is provided including a hub and a casing. A plurality of elements is arranged between the hub and the casing. ... Carrier Corporation

05/03/18 / #20180119997

Ejector refrigeration circuit

An ejector refrigeration circuit (1), which is configured for circulating a refrigerant, in particular carbon dioxide, comprises at least two controllable ejectors (6, 7), which are connected in parallel and respectively comprise a primary high pressure input port (6a, 7a), a secondary low pressure input port (6b, 7b) and an output port (6c, 7c); and a control unit (28), which is configured for operating the ejector refrigeration circuit (1) employing a method which comprises the steps of: a) operating a first ejector (6) of the at least two controllable ejectors (6, 7) by controlling the opening of its high pressure port (6a) until the maximum efficiency of said first ejector (6) has been reached or the actual refrigeration demands are met; b) operating at least one additional ejector (7) of the at least two controllable ejectors (6, 7) by opening its primary high pressure input port (7a) for increasing the refrigeration capacity of the ejector refrigeration circuit (1) in case the actual refrigeration demands are not met by operating the first ejector (6) alone.. . ... Carrier Corporation

05/03/18 / #20180116426

Adjustable child carrier with multiple carry orientations

An adjustable child carrier includes an adjustable bucket seat that can be adjusted to accommodate children of a wide range of sizes. The child carrier includes one or more adjustments that work alone or in cooperation to adjust the depth and width of the bucket seat area provided by the child carrier. ... Carrier Corporation

04/19/18 / #20180106492

Hvac/r system with auxiliary power source and method of operating an hvac/r system

An hvac/r system configured to receive power from a main power source is provided. The hvac/r system includes an hvac/r component configured to contain a refrigerant and allow a refrigerant to flow therethrough, a detecting mechanism configured to detect a concentration of the refrigerant outside of the hvac/r component, and a blower configured to operate under power from an auxiliary power source upon detection of the refrigerant above a predetermined refrigerant level during a main power source outage.. ... Carrier Corporation

04/12/18 / #20180102858

System and method for determining rf sensor performance relative to a floor plan

A computer system for graphically indicating quality of radio frequency (rf) connection for a floor plan of a building is provided, a computer processor is configured to identify wall types and determine a wall property for a plurality of walls included in the floor plan, predict an rf signal strength from an rf transmitter positioned at a certain location on the floor plan, determine a prediction confidence level based on signal measurements, determine an rf connectivity level for respective rf receivers to be located in different areas of the floor plan based on analysis of the associated predicted rf signal strength, mounting inclination and orientation of the receiver devices, determined wall properties associated with walls located in expected paths of predicted rf signals, and an associated link margin, and provide a gui on a computer display indicating a visualization of rf connectivity levels on areas of the floor plan.. . ... Carrier Corporation

04/12/18 / #20180101803

Integrated system for sales, installation, and maintenance of building systems

A method for identifying, installing and commissioning building systems includes generating a floor plan of a building including selected components positioned on the floor plan. Association of the selected components is requested with a controller and the selected components are tested for functionality. ... Carrier Corporation

04/12/18 / #20180100680

Discharge pressure calculation from torque in an hvac system

A method for determining system subcooling in a vapor compression system including a compressor, a condenser, an expansion device and an evaporator operatively connected in a serial relationship in a refrigerant flow circuit, the method including receiving information indicative of a compressor torque or compressor current; and determining a degree of system subcooling in response to the receiving of the information.. . ... Carrier Corporation

04/05/18 / #20180094635

Method for monitoring a surge in a fluid device and refrigeration system

A method for monitoring a surge in a fluid device and a refrigeration system. A fluid device is disposed in an operating unit. ... Carrier Corporation

03/29/18 / #20180087816

High outdoor ambient and high suction pressure oil pump out mitigation for air conditioners

A method of operating an air conditioning system including: operating a refrigerant compression device at a demand speed to circulate refrigerant through a refrigeration circuit; monitoring, using a temperature sensor, a temperature of external ambient air; monitoring, using a pressure sensor, a pressure of the refrigerant within the refrigerant circuit; detecting, using a controller, when the temperature of external ambient air is greater than a selected temperature; detecting, using the controller, when the pressure of the refrigerant is greater than a selected pressure; and reducing the speed of the refrigerant compression device to a selected speed for a first duration of time when the temperature of external ambient air is greater than the selected temperature and the pressure of the refrigerant is greater than the selected pressure.. . ... Carrier Corporation

03/29/18 / #20180087813

Transportation refrigeration unit with multiple compressors

A transportation refrigeration unit includes an evaporator 32 circulating a flow of refrigerant therethrough to cool a flow of supply air flowing over the evaporator. Two compressors 36,38 are in fluid communication with the evaporator to compress the flow of refrigerant and are configured and connected to operate in parallel with one another. ... Carrier Corporation

03/29/18 / #20180086176

Heat and dust shield

A transportation refrigeration system is provided including a tractor cabin having an engine and an engine cooling system. A trailer is operably coupled to the tractor cabin. ... Carrier Corporation

03/22/18 / #20180080678

Panel for an air handling unit, method for assembling such a panel, and air handling unit including such a panel

This panel (6) for an air handling unit defines a main axis (x6) perpendicular to its surface and includes at least two first plates (8), each provided with at least two folded-over edges, and at least two second plates (10), each provided with at least two folded-over edges. The plates are parallel to one another and perpendicular to the main axis of the panel. ... Carrier Corporation

03/22/18 / #20180080677

Panel for a module of an air handling unit

This panel (6) for a module of an air handling unit defines a main axis perpendicular to its surface and comprises an outer plate (8), an inner plate (10), a layer (12) of insulating material arranged between the outer plate and the inner plate, and a joining element (14) arranged around the layer of insulating material and intercalated between the outer plate and the inner plate along the main axis. The plates and the layer of insulating material are parallel to each other and perpendicular to the main axis of the panel. ... Carrier Corporation

03/22/18 / #20180079279

Evaporator connection box

An electrical connection assembly (300) for an evaporator module (302) comprising a heat exchanger and a fan is provided. The assembly includes a frame fixedly connected to an exterior of an evaporator, and a tray (322) having at least one aperture in a wall thereof and supporting a quick-connect electrical system (324), the tray configured within at least a portion of the frame. ... Carrier Corporation

03/15/18 / #20180075676

Lockbox access device and method with biometric security data

A lockbox access apparatus comprising a wireless communications device having a stored program configured to: cause the wireless communications device to communicate an access request to a lockbox; and receive lockbox identifying information from the lockbox. The wireless communication device is further configured to: record biometric identifying information of an individual; take entry from a user of non-biometric identifying information of the individual; and transmit the lockbox identifying information, the biometric identifying information, and the non-biometric identifying information to a remote destination.. ... Carrier Corporation

03/15/18 / #20180075168

System and method for capturing and analyzing multidimensional building information

A method for capturing building information includes capturing dimensions of a 360 degree image at a first location within a room of a building using a mobile device equipped with at least direction sensor and at least one motion sensor. The step of capturing dimensions is repeated within at least one additional room. ... Carrier Corporation

03/15/18 / #20180073791

Refrigeration system condenser fan control

A method of controlling a refrigeration system having a compressor, a condenser, an evaporator, and a variable speed condenser fan is provided. The method includes determining if a change in an ambient temperature or a compressor suction pressure is greater than a predetermined threshold, determining a near-optimal condensing pressure/temperature if the change in the ambient temperature or the compressor suction pressure is above the predetermined threshold, setting a condensing pressure setpoint based on the determined near-optimal condensing pressure/temperature, and setting a speed of the variable speed condenser fan based on the condensing pressure setpoint.. ... Carrier Corporation

03/15/18 / #20180073785

Low-oil refrigerants and vapor compression systems

A vapor compression system (20) has: a centrifugal compressor (22) having an inlet (40) and an outlet (42); and an electric motor (28) having a stator (30) and a rotor (32). A plurality of bearings (36) support the rotor. ... Carrier Corporation

03/15/18 / #20180073767

Panel for an air handling unit module, air handling unit module including such a panel, and air handling unit including such a module

Panel (6) for a module of an air handling unit, the panel defining a main axis (x6) perpendicular to its surface and including an exterior plate (8), an interior plate (10), and a layer (12) made of insulating material arranged between the exterior plate and the interior plate, the plates and the layer being parallel to one another and perpendicular to the main axis of the panel. A gap (18) of thickness (e) parallel to the main axis of the panel is defined between the layer made of insulating material and at least one plate out of the exterior plate and the interior plate, the thickness being greater than or equal to 10 mm.. ... Carrier Corporation

03/08/18 / #20180069932

Floor-plan based learning and registration of distributed devices

A method of registering distributed devices includes discovering a plurality of devices at a central panel or server, localizing the devices, and authorizing the devices with a mobile device communicating with the central panel or server. The method also includes registering the devices with the central panel. ... Carrier Corporation

03/08/18 / #20180067593

Systems and methods for providing a graphical user interface indicating intruder threat levels for a building

A computer system is provided that generates a graphical user interface indicating one or more intruder threat levels for a building. The computer system includes a processor, which upon execution of stored instructions is configured to access a building floor plan having one or more entry and exit points and to access an intruder threat level associated with each of the one or more entry and exit points; to perform threat modeling to determine intruder threat levels at a plurality of locations within the building, contingent upon the building floor plan and the intruder threat level associated with the one or more building entry and exit points; and to provide a gui on a display indicating, relative to the building floor plan, the determined intruder threat level within the building, at the plurality of points within the building and at the one or more entry and exit points.. ... Carrier Corporation

03/08/18 / #20180066880

Refrigeration purge system

Disclosed is a refrigeration system including a heat transfer fluid circulation loop configured to allow a refrigerant to circulate therethrough. A purge gas outlet is in operable communication with the heat transfer fluid circulation loop. ... Carrier Corporation

03/08/18 / #20180066879

Expansion valve control

A method for controlling a refrigeration system having a compressor, heat rejecting heat exchanger, expansion valve and heat absorbing heat exchanger circulating a refrigerant in series flow, the heat absorbing heat exchanger in thermal communication with working fluid, the method includes obtaining an expansion valve position set point; using a feedback control loop to generate a controlled expansion valve position; obtaining a rate of change of an operating parameter of the system; using the rate of change of the operating parameter to generate an adjustment; modifying the controlled expansion valve position using the adjustment; and controlling the expansion valve using the modified controlled expansion valve position.. . ... Carrier Corporation

03/08/18 / #20180066872

Ejector refrigeration circuit

An ejector refrigeration circuit comprises: a high pressure ejector circuit comprising in the direction of flow of a circulating refrigerant: a heat rejecting heat exchanger/gas cooler having an inlet side and an outlet side; at least one ejector comprising a primary high pressure input port, a secondary low pressure input port, and an output port, the primary high pressure input port being fluidly connected to the outlet side of the heat rejecting heat exchanger/gas cooler; a receiver, having a liquid outlet, a gas outlet and an inlet, which is fluidly connected to the output port of the at least one ejector; at least one compressor having an inlet side and an outlet side, the inlet side of the at least one compressor being fluidly connected to gas outlet of the receiver.. . ... Carrier Corporation

03/08/18 / #20180065655

Collapsible stroller having central hub system

A stroller having a central hub system that is reversible and foldable is provided. In one example, support members of the stroller chassis (e.g., members supporting the front wheels, back wheels, handle bar(s), and child seating surface) extend from the central hub system and are selectively rotatable there around. ... Carrier Corporation

03/01/18 / #20180058716

Module for an air handling unit and air handling unit including such a module

The invention relates to a module for an air handling unit, comprising at least one side surface formed by the assembly of several panels arranged next to one another, a connection post (12) between two adjacent panels, including two facing fins (122) for positioning the panels, and two bases (14) for attaching the post (12) to an upper surface and to a lower surface (2), respectively, of the module, these bases being mounted at the two ends of the post. Each base (14) comprises two facing strips (18) which carry, on the interior side of the module, a rectilinear sealing gasket (20) for sealing the space between the fins (122) of the post (12) and the upper surface or lower surface (2) of the module.. ... Carrier Corporation

02/22/18 / #20180051920

Discharge gas manifold for use with multiple compressors

A discharge gas manifold having a main conduit, an end feeder conduit, and at least one intermediate feeder conduit, wherein the at least one intermediate feeder conduit contains a portion, adjacent to the main conduit, that forms an angle between 0°-60° with the axis of the main conduit.. . ... Carrier Corporation

02/15/18 / #20180043816

Performance and position monitoring of a mobile hvac&r unit

A system for monitoring a mobile refrigerant system including one or more system components is provided. The system includes a global positioning system, a performance monitor, and a processor. ... Carrier Corporation

02/08/18 / #20180039940

Environmental parameter monitor with wide area communication

A method and system for cold chain monitoring of perishable goods, includes at least one environmental sensor to monitor at least one environmental parameter, a wide area network interface to communicate with a wide area network, a controller to log a plurality of readings from each of the at least one environmental sensors and to transmit at least one data signal associated with the plurality of readings to the wide area network via the wide area network interface.. . ... Carrier Corporation

02/08/18 / #20180037091

Chiller for refrigeration system

A refrigeration system for a selected space includes a regeneration heat exchanger containing a volume of heat transfer fluid and a cargo heat exchanger located at the selected space. The cargo heat exchanger is fluidly connected to the regeneration heat exchanger to circulate the volume of heat transfer fluid therethrough. ... Carrier Corporation

02/01/18 / #20180031291

Vfd control for multiple circuit refrigeration system

A refrigeration system includes a first refrigerant circuit having a first compressor, and a second refrigerant circuit having a second compressor, the second refrigerant circuit separate from the first refrigeration circuit. A variable frequency drive (vfd) is in signal communication with the first compressor and the second compressor and is configured to enable a variable speed operation of the first and second compressors. ... Carrier Corporation

01/25/18 / #20180023867

Refrigeration and heating system

A refrigeration and heating system (2) comprises a refrigeration circuit (4) which comprises in the direction of flow of a circulating refrigerant: at least one compressor (6a, 6b, 6c); a refrigeration circuit side (8a) of a coupling heat exchanger (8); at least one gas cooler (10); at least one gas cooler bypass line (18) and at least one gas cooler bypass valve assembly (25) allowing to bypass the at least one gas cooler (10); at least one expansion device (12, 14) and at least one evaporator (16). The refrigeration and heating system (2) further comprises a heating circuit (20) which comprises in the direction of flow of a circulating heating fluid: a heating circuit side (8b) of the coupling heat exchanger (8) and at least one heating device (22). ... Carrier Corporation

01/25/18 / #20180023491

Air control valve for transportation refrigeration system

A transport refrigeration system is provided including a refrigeration unit and a diesel engine powering the refrigeration unit. The diesel engine has an exhaust system for discharging engine exhaust from the diesel engine. ... Carrier Corporation

01/25/18 / #20180022540

Apparatus and method for monitoring cargo conditions

A method and system for monitoring cargo conditions, includes at least one environmental sensor (50) to monitor at least one environmental parameter associated with the cargo (30), a controller (60) to log a plurality of readings from each of the at least one environmental sensors (50), and a sensor interface (51) to facilitate communication between the at least one environmental sensor (50) and the controller (60).. . ... Carrier Corporation

01/18/18 / #20180018525

System and method for auto-commissioning an intelligent video system with feedback

A method of automatically commissioning an intelligent video system, includes evaluating the intelligent video system to be commissioned with a test video with an initial set of parameters to generate a result, reviewing the result associated with the intelligent video system to be commissioned via a graphical user interface, and receiving a user determination to utilize the initial set of parameters with the intelligent video system or to perform an iterative commissioning method to utilize a resultant set of parameters.. . ... Carrier Corporation

01/18/18 / #20180017519

Refrigerant analyzer and a method of using the same

A refrigerant analyzer including a pump, a filtering device, a temperature/humidity regulator, an electrochemical sensor, and a control device, wherein the refrigerant analyzer is configured to circulate conditioned air through the sensing chamber for an initialization duration of time to obtain an initial output value, determine whether the initial output value is stabilized below a predetermined initial limit, circulate a refrigerant through the sensing chamber for a sensing duration of time, operate the control device to measure a sensed output value, and operate the control device to determine a measured concentration of at least one contaminant within the refrigerant based on the sensed output value.. . ... Carrier Corporation

01/04/18 / #20180003450

Aluminum alloy finned heat exchanger

A heat exchanger includes a conduit of a first aluminum alloy and a plurality of fins in thermally conductive contact with the exterior of the conduit. The fins include a second aluminum alloy comprising from 0.005 wt. ... Carrier Corporation

01/04/18 / #20180003405

Environmental control system

An environmental control system is provided and includes equipment to generate an environmental control effect, a damper associated with a zone to control a portion of the environmental control effect permitted to affect the zone by assuming one of various damper positions and a capacity controller operably coupled to the equipment and the damper to control operation of the equipment and to adjust the damper to assume the one of the various damper positions based on a demand of the zone and a capacity of the equipment.. . ... Carrier Corporation

12/28/17 / #20170374747

Substrates with ultra fine pitch flip chip bumps

A method of attaching a chip to the substrate with an outer layer comprising via pillars embedded in a dielectric such as solder mask, with ends of the via pillars flush with said dielectric, the method comprising the steps of: (o) optionally removing organic varnish, (p) positioning a chip having legs terminated with solder bumps in contact with exposed ends of the via pillars, and (q) applying heat to melt the solder bumps and to wet the ends of the vias with solder.. . ... Carrier Corporation

12/28/17 / #20170372596

Ultraviolet emitter for use in a flame detector and a method of making the same

A flame detector including an ultraviolet emitter configured to emit ultraviolet light at a strike voltage less than or equal to approximately 230 volts. A method of manufacturing an ultraviolet emitter for use in a flame detector, the ultraviolet emitter including a hermetically sealed, alkali rich, ultraviolet transmissive glass envelope, the method including: (a) wrapping an envelope exterior surface with a conductive material; (b) performing a first injection of at least one non-radioactive gas into the glass envelope at a first pressure; (c) applying a voltage bias to the glass envelope; (d) baking the hermetically sealed, alkali rich, ultraviolet transmissive glass envelope at a baking temperature for a baking duration of time; (e) cooling the hermetically sealed, alkali rich, ultraviolet transmissive glass envelope to a desired temperature; and (f) performing a second injection of at least one non-radioactive gas into the glass envelope at a second pressure.. ... Carrier Corporation

12/28/17 / #20170372260

Environmental parameter monitor with machine readable display

A method and system for cold chain monitoring of perishable goods includes at least one environmental sensor (102) to monitor at least one environmental parameter, a controller (104) to log a plurality of readings from each of the at least one environmental sensors (102), and a machine readable display (114) to display at least one alarm status associated with the plurality of readings via a barcode.. . ... Carrier Corporation

12/28/17 / #20170370661

Heat transfer system with coated fluid conduit

A heat transfer system having a heat transfer fluid circulation loop of a first fluid is disclosed. A conduit is disposed in the fluid circulation loop with an inner surface in contact with the first fluid at a first pressure. ... Carrier Corporation

12/28/17 / #20170370623

Heat pump system and regulating method thereof

A heat pump system comprises a compressor, a first heat exchanger, a second heat exchanger, a mode switching valve, a throttling element and a reservoir, wherein the throttling element is arranged on a flow path between the first heat exchanger and the second heat exchanger; and which further comprises a mode switching flow path in which a first flow path and a second flow path are arranged, the reservoir is arranged on the second flow path and each flow path is controllably opened or closed to realize different functional modes.. . ... Carrier Corporation

12/28/17 / #20170370439

Counterfeit refrigerant analyzer

The present invention is directed to an air spring having a flexible member which collapses into the form of a double meniscus under conditions where there is a substantial or a complete loss of air pressure. The double meniscus prevents the flexible member from rolling over the piston and/or chafing against surrounding parts of the vehicle on which the air spring is mounted. ... Carrier Corporation

12/28/17 / #20170370332

Fuel cooling system and method

A fuel cooling system includes a refrigeration unit configured to circulate a refrigerant, a bypass cooling circuit (132) fluidly coupled to the refrigeration unit, and a power generation system operably coupled to the refrigeration unit. The power generation system includes a fuel tank (34) fluidly coupled to an engine (32), and a fuel cooling circuit (160) is fluidly coupled between the fuel tank and the engine. ... Carrier Corporation

12/28/17 / #20170368914

Removable external bulkhead for transportation refrigeration unit

A cover for a transportation refrigeration unit includes a substantially solid front panel and one or more airflow inlet openings located at a top of the cover to direct an airflow from outside the cover into the transportation refrigeration unit. A refrigerated container system includes a container having a cargo compartment for transportation of a cargo and a transportation refrigeration unit secured to the container and including a refrigeration unit operably connectible to the cargo compartment and configured to direct cooling airflow into the cargo compartment thereby cooling the cargo compartment to a selected temperature. ... Carrier Corporation

12/28/17 / #20170367370

Freezing cylinder beater

A frozen product dispensing apparatus (20) comprises a refrigeration system (50) and a freezing cylinder (52). A source (42) of the product or precursors of the product is coupled to an inlet (124) of the freezing cylinder. ... Carrier Corporation

12/21/17 / #20170366408

Network topology

A system for network topology includes a first edge router node and a plurality of first sensors operatively connected to the first edge router node. A second edge router node is operatively connected to the first edge router node and to the plurality of first sensors. ... Carrier Corporation

12/21/17 / #20170363594

Film based carbon dioxide sensor

A gas concentration monitoring system (100) is provided. The system (100) includes a radiation source (104) having one or more emitting elements and a radiation sensor (106) having one or more sensing elements configured to detect radiation received at the radiation sensor (106). ... Carrier Corporation

12/21/17 / #20170363336

Air conditioning system with distilled water production from air

An air conditioning and water producing system includes a heat pumping unit and a membrane contactor in thermal communication with the heat pumping unit. The membrane contactor is configured such that a first brine flow is cooled by the heat pumping unit and diluted at the membrane contactor. ... Carrier Corporation

12/14/17 / #20170356700

Frost tolerant microchannel heat exchanger

A heat exchanger is provided including a first manifold, a second manifold, and a plurality of heat exchange tube segments fluidly coupling the first and second manifold. The heat exchange tube segments include a bend defining a first slab and a second arranged at an angle to one another. ... Carrier Corporation

12/14/17 / #20170356681

Refrigeration and heating system

A method of operating a refrigeration and heating system (2a, 2b) comprises: circulating a refrigerant through a refrigeration circuit (4) which comprises in the direction of flow of the circulating refrigerant: at least one compressor (6a, 6b, 6c); a refrigeration circuit side (8a) of a coupling heat exchanger (8); at least one gas cooler (10); at least one expansion device (12, 14); and at least one evaporator (16); circulating a heating fluid through a heating circuit (20) which comprises a heating circuit side (8b) of the coupling heat exchanger (8) and at least one heat consumer (22); wherein the coupling heat exchanger (8) is configured for transferring heat from the circulating refrigerant to the circulating heating fluid. The method further includes increasing the temperature of the refrigerant entering the at least one gas cooler (10) in order to meet increased heating demands by allowing at least a portion of the heating fluid to flow directly from an outlet to an inlet of the heating circuit side (8b) of the coupling heat exchanger (8) bypassing the at least one heat consumer (22) or by allowing at least a portion of the refrigerant circulating through the refrigeration circuit (4) to bypass the coupling heat exchanger (8).. ... Carrier Corporation

12/14/17 / #20170356680

Electrocaloric heat transfer system

A heat transfer system cycles between a first mode where a heat transfer fluid is directed to a first electrocaloric module and from the first electrocaloric module to a heat exchanger to a second electrocaloric module while one of the first and second electrocaloric modules is energized, and a second mode where the heat transfer fluid is directed to the second electrocaloric module and from the second electrocaloric module to the heat exchanger to the first electrocaloric module, while the other of the first and second electrocaloric modules is energized. The modes are repeatedly cycled in alternating order directing the heat transfer fluid to cause a temperature gradient in each of the first and second electrocaloric modules, and heat is rejected to the fluid from the heat exchanger or is absorbed by the heat exchanger from the fluid.. ... Carrier Corporation

12/14/17 / #20170356679

Electrocaloric heat transfer system

A heat transfer system cycles between a first mode where a heat transfer fluid is directed to a first electrocaloric module and from the first electrocaloric module to a heat exchanger to a second electrocaloric module while one of the first and second electrocaloric modules is energized, and a second mode where the heat transfer fluid is directed to the second electrocaloric module and from the second electrocaloric module to the heat exchanger to the first electrocaloric module, while the other of the first and second electrocaloric modules is energized. The modes are repeatedly cycled in alternating order directing the heat transfer fluid to cause a temperature gradient in each of the first and second electrocaloric modules, and fluid from a flow path between the electrocaloric modules is mixed with circulating fluid from a conditioned space to cool or heat the conditioned space.. ... Carrier Corporation

12/14/17 / #20170356448

Screw compressor with oil shutoff and method

In a screw compressor (20), a male rotor suction end bearing (96) and discharge end bearing (90 1, 90 2, 90 3) mount the male rotor suction end shaft portion (39) and discharge end shaft portion (40). A female rotor suction end bearing (98) and discharge end bearing (92 1, 92 2) mount the female rotor suction end shaft portion (41) and discharge end shaft portion (42). ... Carrier Corporation

11/30/17 / #20170347258

System and method for powering voice over long term evolution (volte) in long term evolution networks

A method for powering voice over long term evolution (volte) in long term evolution networks. A volte/vowifi is centrally enabled for any sized network without implementing an ims core, but rendering almost the same user experience as standard volte (except voice call continuity). ... Carrier Corporation

11/30/17 / #20170345314

Methods and systems for detecting transportation relays

Methods and systems for determining that a transportation relay has occurred are disclosed. Systems include a first tracking device configured to track a location of a first load; a second tracking device configured to track a location of a second load; and a central computing device. ... Carrier Corporation

11/30/17 / #20170345237

Access control system with virtual card data

An access control system includes a mobile library on a mobile device operable to communicate with the credential service, the mobile library operable to receive the credential from the credential service and a credential module for an access control, the credential module operable to receive virtual card data from the credential, the virtual card data usable to operate the access control.. . ... Carrier Corporation

11/30/17 / #20170345236

Access control system with automatic mobile credentialing service hand-off

A method of initializing a mobile device to operate in a mobile credentialing system, the method including sending an authorization code and host url from a hotel loyalty application to a mobile credential library of a mobile application on a mobile device, the mobile device operable to perform a first sync with a credential service to establish an ongoing trust relationship between the mobile credential library and the credential service such that the mobile application is operable to interact with an access control without the user of the mobile device knowing either an authorization code or a host location of the credential service.. . ... Carrier Corporation

11/30/17 / #20170343288

Multi-pass and multi-slab folded microchannel heat exchanger

A heat exchanger is provided including a first manifold and a second manifold separated from one another. A plurality of tube segments arranged in a spaced parallel relationship fluidly couple the first and second manifold. ... Carrier Corporation

11/30/17 / #20170343260

Perturbation of expansion valve in vapor compression system

A vapor compression system includes a compressor, a first heat exchanger, an expansion valve and a second heat exchanger arranged serial refrigerant flow path; a first fan configured to direct air over the first heat exchanger; a controller coupled to the first fan and the compressor, the controller configured to: set a compressor discharge superheat limit; determine a compressor discharge superheat; compare the compressor discharge superheat to the compressor discharge superheat limit; and when the compressor discharge superheat is less than the compressor discharge superheat limit, the controller reducing at least one of a compressor speed and a first fan speed.. . ... Carrier Corporation

11/23/17 / #20170336765

Scalable cyber-physical structure management

A method of managing structure resources of a cyber-physical structure includes identifying the structure resources of the cyber-physical structure, the structure resources including dynamic resources configured to provide dynamic structure data over time based on monitoring the cyber-physical structure over time; identifying, by a structure management computer system, applicable structure-management templates which include one or more operation algorithms for managing the structure resources and one or more required-resource descriptions defining structure resources required by the one or more operation algorithms, the applicable structure management templates identified based on matching identified structure resources to the required-resource descriptions of the structure-management templates; and applying, by the structure management computer system, one or more of the applicable structure-management templates as structure management systems to manage operation of the cyber-physical structure by implementing the operation algorithms using the dynamic structure data.. . ... Carrier Corporation

11/23/17 / #20170336119

On board chiller capacity calculation

A method of controlling operation of an air conditioning system (10) includes measuring a compressor speed of one or more chillers (12) of an air conditioning system and measuring a refrigerant pressure of the one or more chillers of the air conditioning system. A chiller load is calculated using the compressor speed and the refrigerant pressure. ... Carrier Corporation

11/16/17 / #20170331271

Compressor motor overload detection

A system for detecting overloads of a motor comprises a motor configured to receive power via a lead line, a first sensing device configured to sense a temperature of a motor, and a second sensing device electrically coupled to the motor and configured to detect a target current of the motor and trigger a contact of the lead line associated with second sensing device when the target current equals or exceeds a trip value.. . ... Carrier Corporation

11/16/17 / #20170330226

Capturing user intent when interacting with multiple access controls

A method of advertisement filtering including receiving advertisements from a multiple of access controls; filtering the received advertisements based on a credential on the mobile device; comparing the filtered received advertisements; and determining a user intent to access a particular access control in response to the comparing.. . ... Carrier Corporation

11/09/17 / #20170320708

Flange cover mounting and dismounting device and cooling device

A flange cover mounting and dismounting device, which comprises: a base part, comprising a fastener element with a fastener hole array, and being fastened on a flange cover mounting surface by the fastener hole array; and a jib arm assembly, having a first end being pivotally connected to the fastener element, and a second end being connected to the flange cover. The flange cover mounting and dismounting device can be fixed to the flange cover mounting surface having a corresponding fastener hole array, which is convenient for mounting and dismounting a flange cover. ... Carrier Corporation

10/26/17 / #20170311161

Remote programming for access control system with virtual card data

An access control system includes a credential service operable to generate an encrypted programming credential. A mobile library on a mobile device operable to communicate with the credential service, the mobile library operable to receive the encrypted programming credential from the credential service and a credential module for an access control, the credential module operable to extract programming data from the encrypted programming credential, the programming data usable to program the access control.. ... Carrier Corporation

10/26/17 / #20170307266

Economized cycle with thermal energy storage

In one aspect, an air conditioning system is provided. The air conditioning system includes a refrigeration circuit having a refrigerant and an economizer circuit, and a subcooling circuit thermally coupled to the refrigeration circuit, the subcooling circuit including a thermal energy storage (tes) unit and a phase change material (pcm) for thermal exchange with the refrigerant.. ... Carrier Corporation

10/26/17 / #20170307263

Heat transfer system with phase change composition

A heat transfer system is disclosed that includes a heat exchanger comprising an inlet, an outlet, and a flow path through the heat exchanger between the inlet and the outlet. The system also includes a fluid circulation loop external to the heat exchanger connecting the outlet to the inlet. ... Carrier Corporation

10/26/17 / #20170307012

Magnetic bearing fault-tolerant drive system

An electronic magnetic bearing fault-tolerant drive module includes a first plurality of switching elements and a second plurality of switching elements. At least one winding is interposed between the first plurality of switching elements and the second plurality of switching elements. ... Carrier Corporation

10/12/17 / #20170295545

Processor validated wakeup system and method

A system includes a transceiver for receiving a wake up signal from a wireless communication device. A processor is operatively connected to the transceiver and to a memory. ... Carrier Corporation

10/12/17 / #20170292730

Coordinated flow control

A method of coordinated flow control in a heat exchanger system includes adjusting a position of a variable actuator of the heat exchanger system if an associated monitored temperature of the heat exchanger system needs adjustment, determining if the adjusted position of the variable actuator is within a predetermined range of positions, adjusting a position of a discrete actuator of the heat exchanger system if the adjusted position of the variable actuator is not within the predetermined range of positions, and resetting the position of the variable actuator in response to adjusting the position of the discrete actuator.. . ... Carrier Corporation

10/12/17 / #20170292419

Systems of preventing engine bearing damage

A system for protecting an engine from damage due to vibration while the engine is not operating is provided. The system includes an engine having a crankshaft, at least one piston, at least one bearing, a lubricating fluid source, and a fluid pump associated therewith and a controller operationally connected to and configured to control the fluid pump. ... Carrier Corporation

10/05/17 / #20170288578

Power supply apparatus

According to one embodiment, the controller configured to, when an operation of the boosting circuit is in the boosting mode, and if an instantaneous value ia of a current flowing through the reactor lowers to a value smaller than or equal to a set value ias, switch the operation of the boosting circuit from the boosting mode to the non-boosting mode.. . ... Carrier Corporation

10/05/17 / #20170280895

Refrigerated sales cabinet

A refrigerated sales cabinet (20a) includes a cabinet body (22a) providing a refrigerated sales space for supporting refrigerated goods to be presented therein; a door frame (21a) having a top post (34a), a bottom post (36a), and at least two upright posts (32a); wherein at least one of the posts (32a, 34a, 36a) comprises an air duct allowing to conduct air through the post (32a, 34a, 36a), and wherein at least one fan (18) is fluidly connected to the air duct in order to convey ambient air through the air duct.. . ... Carrier Corporation

09/28/17 / #20170276433

Multiport extruded heat exchanger

A heat exchanger is provided including a first manifold and a second manifold separated from the first manifold. A plurality of heat exchange tube segments are arranged in spaced parallel relationship and fluidly couple the first and second manifold. ... Carrier Corporation

09/28/17 / #20170276422

Systems and methods for free and positive defrost

A heat pump system includes a refrigerant circuit, at least one compressor, an evaporator, and a controller programmed to defrost the evaporator in a defrost mode, wherein in the defrost mode the controller is programmed to monitor the evaporator to detect frost creation thereon, and reduce the speed of the at least one compressor and/or reduce the number of some, but not all operating compressors of the at least one compressor, if frost creation is detected on the evaporator. In some embodiments, the controller is programmed to defrost the evaporator in a second defrost mode. ... Carrier Corporation

09/28/17 / #20170276411

Low refrigerant charge microchannel heat exchanger

A heat exchanger is provided including a first manifold, a second manifold separated from the first manifold, and a plurality of heat exchanger tubes arranged in spaced parallel relationship fluidly coupling the first and second manifolds. A first end of each heat exchange tube extends partially into an inner volume of the first manifold and has an inlet formed therein. ... Carrier Corporation

09/21/17 / #20170269027

Detection of refrigerant contaminants

A gas sensor for detecting one or more contaminants in a refrigerant includes a housing having disposed therein a membrane electrode assembly comprising a sensing electrode, a counter electrode, and a solid polymer electrolyte disposed between the sensing electrode and the counter electrode. The sensing electrode comprises nanoparticles of a first catalyst comprising noble metal. ... Carrier Corporation

09/21/17 / #20170268808

Improved dircet expansion evaporator based chiller system

A chiller system is provided including a vapor compression circuit consisting of a fluidly coupled compressor, condenser, expansion valve, and evaporator. A refrigerant circulates through the vapor compression circuit. ... Carrier Corporation

09/07/17 / #20170256157

Communication systems

A message communication system such as a security system having a distributed architecture includes a plurality of customer terminals (1.134.1 1.134.4), one or more proprietary routers (1.122.1 1.122.4), one or more automation systems (1.104.1 1.104.2), each customer terminal being associated with an associated at least one of the automation systems, wherein each customer terminal includes at least one communication address of at least one of the proprietary routers, the proprietary router including a routing table to forward the message to the associated automation system or a central station gateway (2.108.1) linked to the automation system.. . ... Carrier Corporation

09/07/17 / #20170251829

Child carrier

A child carrier having a waist belt, an upper torso support, a hammock coupled to the waist belt and to the upper torso support, and a thigh support strap extending to each side of the hammock. Each thigh support strap has an inward end portion proximate to the hammock and an outward end portion configured for selective coupling to the upper torso support in multiple positions. ... Carrier Corporation

08/31/17 / #20170248699

Visualization system for monitored space

Visualization systems and methods for providing a visualization of a monitored space are provided. The visualization system includes a detector unit configured to obtain acquired data related to the monitored space, a processing device configured to store predefined information and process the acquired data, and a display device configured to display a user interface including the predefined information and the acquired data. ... Carrier Corporation

08/31/17 / #20170248354

Internal liquid suction heat exchanger

In one aspect, an evaporator assembly for a refrigeration system is provided. The evaporator assembly includes a pressure vessel having an inlet and an outlet. ... Carrier Corporation

08/31/17 / #20170248352

Chiller compressor oil conditioning

In one aspect, a refrigeration system is provided. The refrigeration system includes a compressor coupled to a variable frequency drive (vfd), a condenser, an evaporator, an oil separator, and an oil conditioning circuit. ... Carrier Corporation

08/31/17 / #20170248350

Ejector heat pump

A vapor compression system (200; 400; 600; 700; 800; 900; 1000) comprises a plurality of valves (260, 262, 264; 260) controllable to define a first mode flowpath and a second mode flowpath. The first mode flowpath is sequentially through: a compressor (22); a first heat exchanger (30); a first nozzle (228; 624); and a separator (48), and then branching into: a first branch returning to the compressor; and a second branch passing through an expansion device (70) and a second heat exchanger (64) to the rejoin the flowpath between the first heat exchanger and the separator. ... Carrier Corporation

08/31/17 / #20170248336

Outdoor unit

According to one embodiment, an outdoor unit equipped with a communication unit and a controller. The communication unit communicates data in a noncontact manner to an information terminal close to the outdoor unit. ... Carrier Corporation

08/31/17 / #20170248329

Outdoor unit

According to one embodiment, an outdoor unit is provided with a housing, an outdoor heat exchanger, and a communication unit. The housing has a ventilation opening and contains the outdoor heat exchanger. ... Carrier Corporation

08/24/17 / #20170241695

Evaporator air duct standoff

An evaporator air duct panel (54) for a refrigeration system having an evaporator (18) and an evaporator air duct (40) at least partially defined by the evaporator air duct panel (54) is provided. The evaporator panel (54) includes a plurality of standoffs (60) extending from the evaporator air duct panel (54), the plurality of standoffs (60) configured to extend into the evaporator air duct (40).. ... Carrier Corporation

08/17/17 / #20170234829

Gas detector utilizing an aqueous solution

A gas detection device including a vessel, wherein the vessel contains an aqueous solution, and a sensing element operably coupled to the vessel, wherein the sensing element is not in direct contact with the aqueous solution.. . ... Carrier Corporation

08/17/17 / #20170234629

Coated heat exchanger

A heat exchanger is disclosed for transferring heat from a first material to a second material comprises a structural heat transfer member having a first surface in contact with the first material and a second surface in contact with the second material. The heat exchanger also has a coating on the first surface, the second surface, or on the first and second surfaces. ... Carrier Corporation

08/10/17 / #20170227006

Gear pump with dual pressure relief

An internal gear pump (100) comprises: a rotor/torque ring comprising an internally lobed (140) rotor (130) and a torque ring (120) extending beyond at least a first end (134) of the rotor; an externally lobed (160) idler (150) encircled by the rotor; a hollow shaft (190) supporting the idler; a pressure relief element (200) positioned to shift between a first condition and a second condition; and a spring (210) biasing the pressure relief element toward the first condition from the second condition. The torque ring has at least one pressure relief port (240a, 240b) positioned so that: in the first condition, the pressure relief element blocks a path from an interior volume (235) of the pump to the pressure relief port; and in the second condition, relative to the first condition the pressure relief element does not block the path.. ... Carrier Corporation

08/03/17 / #20170221430

Liquid crystal display with temperature compensation

A liquid crystal display (lcd) unit and associated method for compensating for the effects of low temperatures. The lcd unit includes a heating panel disposed adjacent to the lcd panel. ... Carrier Corporation

07/27/17 / #20170213793

Novel embedded packages

A structure consisting of at least one die embedded in a polymer matrix and surrounded by the matrix, and further consisting of at least one through via through the polymer matrix around perimeter of the die, wherein typically the at least one via has both ends exposed and where the die is surrounded by a frame of a first polymer matrix and the at least one through via passes through the frame; the die is positioned with terminals on a lower surface such that the lower surface of the chip is coplanar with a lower surface of the frame, the frame is thicker than the chip, and metal is directly attached to and covers at least part of the upper surface of the chip.. . ... Carrier Corporation

07/27/17 / #20170211853

Heat pump with ejector

A system (20; 300; 500) comprises: a compressor (22) having a suction port (40) and a discharge port (42); an ejector (32) having a motive flow inlet (50), a suction flow inlet (52), and an outlet (54); a separator (34) having an inlet (72), a vapor outlet (74), and a liquid outlet (76); a first heat exchanger (24); at least one expansion device (28, 30; 520); a second heat exchanger (26); and a plurality of conduits and a plurality of valves (100, 120, 130, 140, 144, 148, 150; 100, 140, 144, 148, 150, 320, 340; 100, 120, 530). The conduits and valves are positioned to provide alternative operation in: a cooling mode; a first heating mode wherein the ejector has a motive flow and a suction flow and where utilizing a first expansion device (30; 520) of the at least one expansion device; and a second heating mode utilizing the first expansion device and wherein the ejector has a suction flow and essentially no motive flow.. ... Carrier Corporation

07/27/17 / #20170211851

Cooling system

A cooling system includes a main closed-loop refrigerant circuit having a compressor and a condenser. The cooling system also includes a subcooler closed-loop refrigerant circuit having a compressor and a condenser. ... Carrier Corporation

07/27/17 / #20170211831

Transition for thermostat

A thermostat associated with a heating, ventilation, and air conditioning system, includes a housing, at least one input, a sensor for measuring an ambient internal temperature, and an internal processor for operating the heating, ventilation, and air conditioning system in response to the at least one input and the measured ambient internal temperature. The thermostat is operable in a heating mode and a cooling mode. ... Carrier Corporation

07/20/17 / #20170206764

Wide-area chamberless point smoke detector

Open-chamber smoke detector and detection method. An elecromagnetic emitter emits radiation, a sensor receives the signal after it has travelled through the monitored area and analyses it to determine whether smoke is present by comparison with a reference signal representative of a smoke plume. ... Carrier Corporation

07/13/17 / #20170200358

Encoder-less lidar positioning technique for detection and alarm

A method for monitoring an area includes distributing, by a detector unit, light during a first instance of time in order to characterize the area based on first data associated with the first instance of time; distributing, by the detector unit, light during at least a second instance of time in order to obtain second data; comparing a first portion of the second data to at least one of: a second portion of the second data and the first data; and based on the comparison, signaling an alarm condition by the detector unit when an evolution in the second data is detected in an amount greater than a threshold.. . ... Carrier Corporation

07/06/17 / #20170191730

Adjustable height return air bulkhead

In one aspect, a return air bulkhead (50) for a temperature controlled container (10) is provided. The bulkhead (50) includes a lower section (52) configured to couple to the container (10) and an upper section (54) separate from the lower section (52). ... Carrier Corporation

07/06/17 / #20170191712

Modular two phase loop distributed hvac&r system

An hvac&r system is provided. The system includes a first pumping device configured to circulate a first volume of a first two-phase medium, a second pumping device configured to circulate a second volume of the first two-phase medium, a first plurality of secondary hvac&r units, wherein at least one of the first plurality of secondary hvac&r units is operably coupled to the first pumping device, a second plurality of secondary hvac&r units, wherein at least one of the second plurality of secondary hvac&r units is operably coupled to the second pumping device, a first primary hvac&r unit operably coupled to at least one of the first plurality of secondary hvac&r units and the first pumping device, and a second primary hvac&r unit operably coupled to at least one of the second plurality of secondary hvac&r units and the second pumping device.. ... Carrier Corporation

07/06/17 / #20170191711

Two phase loop distributed hvac&r system

An hvac&r system including a pumping device configured to circulate a first two-phase medium, a plurality of secondary hvac&r units, wherein at least one of the plurality of secondary hvac&r units is operably coupled to the pumping device, and a primary hvac&r unit operably coupled to at least one of the plurality of secondary hvac&r units, wherein the pumping device, a portion of the plurality of secondary hvac&r units, and a portion of the primary hvac&r unit form a primary loop.. . ... Carrier Corporation

07/06/17 / #20170191690

Field-testing system

A method and apparatus for testing an hvac component is provided, the field-testing system includes an external device to test the hvac component, and a field testing device includes at least one testing output to provide an input signal to the hvac component, at least one testing input to receive an output signal from the hvac component, and an external device interface to communicate with the external device, to control the at least one testing output in response to the external device, and to monitor the at least one testing input in response to the external device.. . ... Carrier Corporation

06/29/17 / #20170184321

System and method for operating a variable speed compressor

A method of operating a variable speed compressor, the variable speed compressor in electrical communication with a computing element and the computing element in electrical communication with a sensing device, the method including operating the computing element to transmit a control signal to the compressor to operate in an operational mode, operating the computing element to receive outdoor air temperature data from the sensing device, operating the computing element to determine an operational run time value of the compressor based in part on the outside air temperature data, operating the computing element to determine an estimated day period based in part on the control signal, and operating the compressor at an operational speed based in part on the outdoor air temperature data, the operational run time value, and the estimated day period.. . ... Carrier Corporation

06/22/17 / #20170180764

Time lapse recording video systems

A system for time lapse video recording includes an image processing device configured to receive a compressed video that is encoded using a video compression module operative to encode video from a video camera using a video compression standard, wherein the image processing device is operative to control a time lapse rate to pick and store a plurality of image frames from the series of compressed image frames at the time lapse rate to create a time lapse video, wherein the image processing device is configured to cause the video compression module to modify a gop length to achieve a predetermined time lapse video quality.. . ... Carrier Corporation

06/22/17 / #20170178481

Chamber-less smoke sensor

A method for detecting smoke via a chamber-less smoke sensor includes applying one or more filters to eliminate a flooding of ambient light upon the smoke sensor and emitting, by a source, light. At least one detector detects at least a portion of the emitted light and a processor processes the detected light to signal an alarm condition when one or more threshold levels are reached. ... Carrier Corporation

06/22/17 / #20170176963

Method for setting user preferences

A method for providing individualized control of a designated area within a building includes sensing a secure key of a portable device and identifying one or more preferred settings associated with the secure key. A signal is sent to at least one controllable device within the designated area to alter operation of the at least one controllable device to achieve the preferred settings associated with the secure key.. ... Carrier Corporation

06/22/17 / #20170176053

Hot gas bypass for two-stage compressor

A vapor compression system comprising a centrifugal compressor (22) having: an inlet (24); an outlet (26); a first impeller stage (28); a second impeller stage (30); and a motor (34) coupled to the first impeller stage and second impeller stage. A first heat exchanger (38) is downstream of the outlet along a refrigerant flowpath. ... Carrier Corporation

06/22/17 / #20170176042

Thermostat

A thermostat including a switching device, a first connector operably coupled to the switching device, a computing device in electrical communication with the switching device, and a second connector operably coupled to the computing device, wherein the computing device is configured to transmit and receive signals to the second connector over a system bus.. . ... Carrier Corporation

06/22/17 / #20170176040

Motor interface assembly and a method of using the same

A motor interface assembly configured to be operably coupled to a blower assembly, wherein the motor interface assembly is configured to measure a discharge air temperature, determine a difference between the discharge air temperature and a predetermined temperature, and operate the blower assembly based in part on the difference between the discharge air temperature and a predetermined temperature.. . ... Carrier Corporation

06/22/17 / #20170176032

Virtual flow measurement system

An hvac thermal energy flow measurement system includes a computerized virtual fluid flow measurement system configured to estimate a fluid flow within at least a portion of the hvac system based on at least one hvac system condition, and at least one hvac system sensor for sensing the at least one hvac system condition, wherein the hvac system sensor is operatively connected to the virtual flow measurement system to provide the virtual flow measurement system with the at least one hvac system condition.. . ... Carrier Corporation

06/15/17 / #20170167767

Ejector cycle heat recovery refrigerant separator

A system (170; 300; 400) comprising a compressor (22). A heat rejection heat exchanger (30; 420) is coupled to the compressor to receive refrigerant compressed by the compressor. ... Carrier Corporation

06/15/17 / #20170167743

System and method to reduce particulate pollutants in a conditioned space

A system and method to reduce particulate pollutants in a conditioned space using an indoor hvac unit in communication with a system controller, the system controller configured to receive at least one of an outside air particulate forecast and an access signal from a secondary source, determine at least one of whether the outside air particulate forecast is greater than or equal to a particulate limit whether an access duration value is greater than or equal to opening duration limit; and whether an access occurrence value is greater than or equal to opening occurrence limit, and to operate an indoor hvac unit based in part on at least one of the outside air particulate forecast and the access signal.. . ... Carrier Corporation

06/15/17 / #20170167423

Particulate filter test system and method

A system for testing a particulate filter system includes a filter controller connected to the particulate filter system and a vehicular computer configured to determine at least one engine condition. The filter controller is configured to control a condition of a component of the particulate filter system and the vehicular computer is operatively connected to the filter controller to communicate therewith. ... Carrier Corporation

06/15/17 / #20170165602

Hard interface dynamic seals

A seal member (80) for a rotary regenerative scrubber (10) includes a hub (30), a rim (48) circumferentially surrounding the hub, and a plurality of spokes (86) extending from the hub to the rim. The hub, rim, and spokes define an axially facing seal face (88) configured to form a sealing engagement with an opposed seal surface of a rotary regenerative scrubber, and a mounting face (90) axially opposed to the seal face configured for mounting to a rotor assembly (20) of a rotary regenerative scrubber. ... Carrier Corporation

06/08/17 / #20170164216

Self-care self-tuning wireless communication system

A customer self-service tuning system assists a mobile device user in adjusting his network settings and device configuration. Device, network and performance metrics are stored for a population. ... Carrier Corporation

06/08/17 / #20170163525

Fallback mobile proxy

A fallback mobile proxy system includes a gateway device having a local communication interface that establishes communication between a router and one or more smart home devices over a local communication network and one or more secondary local communication networks. The gateway device includes a processor that is configured to perform detecting a loss or degradation of connectivity between the router and a remote communication network. ... Carrier Corporation

06/08/17 / #20170159977

Refrigeration system

A refrigeration system (1) has a) an ejector circuit (3) comprising: aa) a high pressure compressor unit (2) comprising at least one compressor (2a, 2b, 2c, 2d); ab) a heat rejecting heat exchanger/gas cooler (4); ac) an ejector (6); ad) a receiver (8) having a gas outlet (8b) which is connected to an inlet of the high pressure compressor unit (2). B) a normal cooling temperature flowpath (5) comprising in the direction of flow of the refrigerant: ba) a normal cooling temperature expansion device (10) fluidly connected to a liquid outlet (8c) of the receiver (8); bb) a normal cooling temperature evaporator (12); bc) an ejector secondary inlet line (68) with an ejector inlet valve (26) fluidly connecting an outlet (12b) of the normal cooling temperature evaporator (12) to a suction inlet (6b) of the ejector (6); and bd) a normal cooling temperature flowpath valve unit (22) configured for fluidly connecting the inlet of the high pressure compressor unit (2) selectively either to the gas outlet (8b) of the receiver (8) or to the outlet (12b) of the normal cooling temperature evaporator (12); c) a freezing temperature flowpath (7) comprising in the direction of flow of the refrigerant: ca) a freezing temperature expansion device (14) fluidly connected to the liquid outlet (8c) of the receiver (8); cb) a freezing temperature evaporator (16); cc) a freezing temperature compressor unit (18) comprising at least one freezing temperature compressor (18a, 18b); and cd) a freezing temperature flowpath valve unit (20) configured for fluidly connecting the outlet of the freezing temperature compressor unit (18) selectively either to the inlet of the high pressure compressor unit (2) or to the ejector inlet valve (26).. ... Carrier Corporation

06/08/17 / #20170158026

Transport refrigeration unit and method of driving a compressor

A transport refrigeration unit includes, a compressor, a coupling in operable communication with the compressor, and an engine in operable communication with the coupling, the engine is mountingly receptive to an electric motor such that when the electric motor is mounted to the engine the electric motor is in operable communication with the coupling, the coupling is configured to be driven by whichever of the engine and the electric motor is running.. . ... Carrier Corporation

06/08/17 / #20170158025

Heating, ventilation, air conditioning and refrigeration system with dehumidification

A heating, ventilation, air conditioning and refrigeration (hvac/r) system includes a cooling circuit including an evaporator to exchange thermal energy between a primary refrigerant flow and a secondary refrigerant flow reducing a temperature of the secondary refrigerant flow, a cooling heat exchanger to exchange thermal energy between the secondary refrigerant flow and an airflow through the cooling heat exchanger to reduce a temperature of the airflow, and a drain to remove condensate. A reheat circuit is located downstream of the cooling heat exchanger including an adsorber heat exchanger to adsorb the primary refrigerant flow, generating thermal energy. ... Carrier Corporation

06/01/17 / #20170153062

Heat exchanger for residential hvac applications

A heat exchanger is provided including a first header and a second header and a plurality of heat exchange tube arranged in spaced parallel relationship and fluidly coupling the first and second header. A flow restricting element defining a first volume and a second volume is positioned within one of the first and second header. ... Carrier Corporation

05/18/17 / #20170138814

A system and method for determining duct leakage in a hvac system

A system and method of determining duct leakage in an hvac system including an hvac unit assembly operably coupled to a system controller, the method including operating the system controller to determine system leakage data, operating the system controller to determine supply leakage data, and operating the system controller to determine a duct leakage measurement based in part on the system leakage data and the supply leakage data.. . ... Carrier Corporation








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