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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.

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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... Carrier Corporation

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. The step of generating can include specifying... Carrier Corporation

System and 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... Carrier Corporation

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. The method includes providing and displaying a surge line of the fluid device, where the surge line is at least related to a characteristic between fluid pressure... Carrier Corporation

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. A transport refrigeration unit is configured to maintain a controller temperature environment of a portion of the trailer. The transport refrigeration unit is... Carrier Corporation

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... Carrier Corporation

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;... Carrier Corporation

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... Carrier Corporation

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... Carrier Corporation

Panel for an air handling unit, 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... Carrier Corporation

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... Carrier Corporation

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. A refrigerant charge comprises a base refrigerant and one or more... Carrier Corporation

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... Carrier Corporation

System and 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... Carrier Corporation

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... Carrier Corporation

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... Carrier Corporation

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... Carrier Corporation

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. The system also includes at least one gas permeable membrane having a first side in... Carrier Corporation

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... Carrier Corporation

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. The model can... Carrier Corporation

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)... Carrier Corporation

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

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. The global positioning system includes a receiver that provides a locator signal. The performance monitor provides a monitor signal indicative of... Carrier Corporation

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

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... Carrier Corporation

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... Carrier Corporation

Apparatus and 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... Carrier Corporation

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. An exhaust treatment unit is disposed in the diesel engine exhaust system and includes a diesel oxidation... Carrier Corporation

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... Carrier Corporation

Refrigerant analyzer and a 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... Carrier Corporation

System and 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... Carrier Corporation

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... Carrier Corporation

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. % to 0.1 wt. % of at least one alloying element selected from... Carrier Corporation

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. An outlet valve (38) has an open condition for discharging product from the... 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... 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),... 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... 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... 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. An outer surface of the first conduit is in contact... 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)... Carrier Corporation

12/28/17 / #20170372596

Ultraviolet emitter for use in a flame detector and a 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,... 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. A distiller... 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). A reactive material (108) is located between... 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. A plurality of second... 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,... 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... 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... 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... 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. Each... 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:... 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. The plurality of tube segments includes a bend defining a first slab and a second... 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... 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... Carrier Corporation

11/30/17 / #20170345265

Dynamic acquisition terminal for behavior statistic information of people, evacuation system and method

A dynamic acquisition terminal for behavior statistic information of people in a building and an evacuation system and method. The dynamic acquisition terminal for behavior statistic information comprises a sensor, used for directly acquiring video information or audio and video information of people in the building; and an analysis component,... 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... 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... 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

11/16/17 / #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... 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... Carrier Corporation

11/02/17 / #20170312562

Fire suppression system and method

A fire suppression system includes a transport refrigeration unit configured to cool a transport container. Also included is a tubular container having a fire suppressant stored therein, the tubular container disposed within the transport refrigeration unit. Further included is a predetermined fracture location of the tubular container, wherein the predetermined... Carrier Corporation

11/02/17 / #20170313141

Coupling assist system for a tractor trailer

A tractor trailer coupling assist system includes a back-up sensor mountable to one of a rear surface of the tractor and a forward surface of the trailer. The back-up sensor is configured and disposed to determine a position of the tractor relative to the trailer. A driver feedback system is... Carrier Corporation

11/02/17 / #20170314800

Automated functional tests for diagnostics and control

In one aspect, a method of generating a model for HVAC system control is provided. The method includes generating a model of the performance of an HVAC system, providing the generated model to at least one of an optimal control system and a diagnostic system, and automatically tuning the HVAC... Carrier Corporation

11/02/17 / #20170314826

Refrigeration system

In one aspect, a refrigeration system is provided. The refrigeration system includes a refrigeration circuit configured to condition an air supply, a subcooling circuit configured to cool the refrigeration circuit, the subcooling circuit including a subcooling condenser, a subcooling heat exchanger, and at least one adsorption bed, and a heat... Carrier Corporation

11/02/17 / #20170316215

Policy-based auditing of static permissions for physical access control

A system for auditing physical access to at least one resource includes a static permission database containing a plurality of static permission records identifying access permissions for at least one credential holder to the at least one resource, a policy database containing a plurality of policies, a processor to execute... Carrier Corporation

Patent Packs
11/02/17 / #20170316624

Mobile equipment maintenance monitoring system

A mobile equipment maintenance monitoring system includes one or more sensors configured and disposed to detect non-time-based parameter of a mobile equipment component and a controller operatively coupled to the one or more sensors. The controller includes a wireless communication device configured and disposed to wirelessly communicate a maintenance alert... 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. The first and second switching elements are configured to... 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. A... 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)... 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... Carrier Corporation

10/19/17 / #20170299240

Electronic expansion valve superheat recovery for a variable speed compressor system

A method of operating an electronic expansion valve of a heating, ventilation, air conditioning and refrigeration system includes detecting superheat of an evaporator of the heating, ventilation, air conditioning and refrigeration system and calculating a derivative of evaporator superheat with respect to time. The derivative of evaporator superheat with respect... Carrier Corporation

10/19/17 / #20170300045

Hvac system including active sensor network calibration

An active sensor calibration system includes a plurality of sensors configured to measure at least one physical quantity. Each sensor is configured to output a signal indicating at least one measured physical quantity. An electronic scenario library module is configured to store a plurality of scenarios. Each scenario is configured... 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... 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... 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. The memory includes instructions recorded thereon that, when read by the processor, cause the processor to transition from a sleep mode to... 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... 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... 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... 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. Each of the plurality of tube segments includes a first heat... 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. The evaporator is a direct exchange heat exchanger. Refrigerant provided at an outlet of the evaporator is a two-phase mixture including... Carrier Corporation

Patent Packs
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... 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,... 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... 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. The oil conditioning circuit is thermally coupled to the VFD and configured to heat oil from the... 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. The outlet is configured to supply refrigerant to a compressor of the refrigeration system. A liquid suction heat exchanger is disposed within the pressure vessel.... 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... 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... 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... 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

08/10/17 / #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... 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. A temperature sensor measures the temperature of the LCD panel. A controller compares the measured temperature to a threshold temperature... 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... 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. A portion of the condenser of the subcooler circuit is in parallel with the condenser of the main circuit... 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... 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. An alarm condition is signaled when... 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... 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... 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... 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... 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). The upper section (54) is configured to be... Carrier Corporation

06/29/17 / #20170184321

System and 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... Carrier Corporation








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