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Emerson Climate Technologies Inc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "E" | Emerson Climate Technologies Inc-related inventors


Compressor staking arrangement and method

A compressor is provided and may include a shell and a stator. The shell includes an inner surface and an outer surface. ... Emerson Climate Technologies Inc

Refrigerant charge detection for ice machines

A system includes a compressor driven by a motor. A condenser receives working fluid from the compressor. ... Emerson Climate Technologies Inc

Compressor protection and grid fault detection device

A system includes a control module and a monitor module. The control module selectively operates a component of the system in an on state. ... Emerson Climate Technologies Inc

Microcontroller architecture for power factor correction converter

A circuit for driving a motor of a compressor includes a microcontroller, which includes an op-amp, a comparator, a first serial interface, and a first dedicated pin. The op-amp amplifies a value indicating current in a power factor correction converter, which includes a power switch. ... Emerson Climate Technologies Inc

Co-rotating compressor with multiple compression mechanisms and system having same

A compressor may include a shell, first and second compression mechanisms, first and second motor assemblies, first and second suction inlet fittings, and first and second discharge outlet fittings. The first and second compression mechanisms are disposed within the shell. ... Emerson Climate Technologies Inc

Compressor with oil pump assembly

A compressor is provided and may include a shell, a motor assembly, a compression mechanism, a pump housing, and at least one pump. The shell includes a fluid disposed therein. ... Emerson Climate Technologies Inc

Scroll compressor with axial flux motor

A compressor may include a first compression member, a second compression member, and a motor assembly. The second compression member is movable relative to the first compression member and cooperates with the first compression member to define a compression pocket therebetween. ... Emerson Climate Technologies Inc

Co-rotating compressor

A compressor may include first and second compression members, first and second bearing assemblies, a sensor, and processing circuitry. The second compression member cooperates with the first compression member to define a compression pocket. ... Emerson Climate Technologies Inc

Co-rotating compressor

A compressor may include first and second scroll members, first and second bearing housings, and a motor assembly. The first scroll member includes a first end plate and a first spiral wrap extending from the first end plate. ... Emerson Climate Technologies Inc

Co-rotating compressor with multiple compression mechanisms

A compressor may include a shell, first and second compression mechanisms, and first and second motor assemblies. The first compression mechanism may include first and second compression members that are rotatable relative to the shell about first and second rotational axes, respectively. ... Emerson Climate Technologies Inc

Compressor discharge valve assembly

A compressor may include a shell, a non-orbiting scroll, an orbiting scroll, and a discharge valve member. The shell may define a discharge chamber. ... Emerson Climate Technologies Inc

Reciprocating compressor system

A compressor may include a crankcase, a crankshaft, a piston, a discharge valve and a suction plenum. The crankcase defines a discharge plenum receiving working fluid at a first pressure. ... Emerson Climate Technologies Inc

Low charge detection system for cooling systems

Systems and methods that detect a loss of charge associated with a climate controlled environment are described in the present disclosure. In various embodiments, a controller receives operating condition parameters associated with a climate-controlled environment. ... Emerson Climate Technologies Inc

Rotary compressor with vapor injection system

A compressor may include a crankshaft, first and second cylinder housings, first and second rotors, a divider plate, and first and second valves. The crankshaft includes first and second eccentric portions. ... Emerson Climate Technologies Inc

07/12/18 / #20180195794

Diagnostics and control for micro booster supermarket refrigeration system

A refrigeration system includes first and second compressors, a condenser, first and second refrigeration cases, and a system controller. The first and second compressors are fluidly connected to respective first and second suction and discharge lines. ... Emerson Climate Technologies Inc

07/12/18 / #20180195781

Oil management for micro booster supermarket refrigeration system

A refrigeration system includes first and second compressors and an oil separator. The oil separator includes an inlet for receiving refrigerant and oil from the first compressor, a refrigerant outlet, and an oil outlet. ... Emerson Climate Technologies Inc

07/12/18 / #20180195773

Micro booster supermarket refrigeration architecture

A refrigeration system includes first and second compressors, a condenser, first and second evaporators, and a valve. The first compressor is fluidly connected to first suction and discharge lines. ... Emerson Climate Technologies Inc

06/28/18 / #20180180339

Scroll unloading detection system

Systems and methods for scroll unloading detection are provided and include a scroll compressor having a scroll compression mechanism. A controller determines a predicted discharge temperature of the scroll compressor, receives an actual discharge temperature of the scroll compressor, and compares the predicted discharge temperature with the actual discharge temperature. ... Emerson Climate Technologies Inc

06/14/18 / #20180164009

Controlling chilled state of a cargo

A method for operating a refrigeration system for a container for refrigerating chilled cargo includes providing a refrigeration system including a compressor and an evaporator fan associated with an evaporator. The method also includes determining the temperature of supply air and the temperature of return air. ... Emerson Climate Technologies Inc

05/31/18 / #20180149155

Compressor having capacity modulation assembly

A compressor may include a shell, first and second scrolls, a seal assembly, a modulation control chamber, and a modulation control valve. The first scroll may include a first end plate having a biasing passage extending therethrough. ... Emerson Climate Technologies Inc

05/10/18 / #20180129233

Method and apparatus for monitoring refrigeration-cycle systems

A monitoring system for a heating, ventilation, or air conditioning (hvac) system of a residential or commercial building includes an evaporator unit device and four temperature sensors. The evaporator unit device includes an electrical sensor that measures current supplied to a circulator blower of the hvac system. ... Emerson Climate Technologies Inc

04/19/18 / #20180106520

Liquid slugging detection and protection

A system includes a sensor and a controller for a refrigeration or hvac system having a compressor. The sensor senses a temperature of the compressor during operation of the compressor. ... Emerson Climate Technologies Inc

04/05/18 / #20180094829

Maintenance and diagnostics for refrigeration systems

A system and a method are provided including a controller for a refrigeration or hvac system having a compressor rack with at least one compressor. The controller communicates with a tracking module configured to diagnose health of a compressor in the compressor rack. ... Emerson Climate Technologies Inc

03/22/18 / #20180080448

Scroll compressor

A scroll compressor is provided, including: a compression mechanism, a driving mechanism, a suction fitting and a lubrication system. The compression mechanism is adapted to compress working fluid and includes a movable scroll component, a fixed scroll component and a suction window, the working fluid flows into the compression mechanism via the suction window. ... Emerson Climate Technologies Inc

03/22/18 / #20180079578

Container shock detection system

Systems and methods are provided and include a modem control unit that is configured to receive a force signal from a force sensor representing an amount of impact force applied to a container. The modem is configured to determine based on the force signal, a bias value, a shock intensity of the force signal, and a shock severity of the force signal in response to a determination that the shock intensity is greater than a shock intensity threshold. ... Emerson Climate Technologies Inc

03/15/18 / #20180073790

Energy management for refrigeration systems

A system and method are provided including a system controller for a refrigeration or hvac system having a compressor rack with a compressor and a condensing unit with a condenser fan. The system controller monitors and controls operation of the refrigeration or hvac system. ... Emerson Climate Technologies Inc

03/08/18 / #20180066657

Compressor

A compressor may include a shell, a compression mechanism, a driveshaft, a motor assembly, and a stator support member. The compression mechanism is disposed within the shell. ... Emerson Climate Technologies Inc

03/08/18 / #20180066656

Oil flow through the bearings of a scroll compressor

A compressor according to the principles of the present disclosure includes a shell, a compression mechanism, a driveshaft, a drive bearing cavity, and a drive bearing. The compression mechanism is disposed within the shell and includes an orbiting scroll member and a non-orbiting scroll member. ... Emerson Climate Technologies Inc

02/15/18 / #20180045445

System for refrigerant charge verification

A charge-verification tool is used with a charge-verification system to diagnose and remedy a charge condition. The charge-verification tool includes a device having a controller configured to communicate with a system controller in the charge-verification system and a display configured to display measurements and instructions to an installer. ... Emerson Climate Technologies Inc

02/08/18 / #20180038371

Compressor and bearing assembly

A compressor is provided and may include a shell, a hub, an insert, and at least one collar. The hub may be disposed within the shell and define an axis of rotation. ... Emerson Climate Technologies Inc

02/08/18 / #20180038370

Variable volume ratio compressor

A compressor may include a shell, first and second scroll members, a partition plate and a bypass valve member. The shell defines a discharge-pressure region and a suction-pressure region. ... Emerson Climate Technologies Inc

02/08/18 / #20180038369

Variable volume ratio compressor

A compressor may include a shell, first and second scroll members, a partition plate and a bypass valve member. The shell defines a discharge-pressure region and a suction-pressure region. ... Emerson Climate Technologies Inc

01/25/18 / #20180023570

Scroll compressor

A scroll compressor is provided, comprising: a compression mechanism comprising a non-orbiting scroll member and an orbiting scroll member, wherein the orbiting scroll member is axially displaceable between an engagement position and a disengagement position; a main bearing housing adapted to support the compression mechanism; a back pressure chamber formed between the orbiting scroll member and the main bearing housing, wherein the back pressure chamber is in communication with at least one of the compression chambers via a communication passage provided in the orbiting scroll member or the non-orbiting scroll member and is adapted to apply a back pressure to the orbiting scroll member to bias the orbiting scroll member toward the engagement position; and a first sealing means provided between the back pressure chamber and a suction zone of the compression mechanism and capable of maintaining sealing when the orbiting scroll member is axially displaced.. . ... Emerson Climate Technologies Inc

01/25/18 / #20180021850

Controlled-dispersion of solid lubricious particles in a metallic alloy matrix

Methods for making a tribological bearing wear surface for a compressor component are provided. Such methods involve semi-solid metal casting, where an admixture of solid lubricant particles and a metal alloy material is heated to melt the metal alloy material, while the lubricant particles remain in a solid phase. ... Emerson Climate Technologies Inc

01/04/18 / #20180001746

System and method of controlling passage of refrigerant through eutectic plates and an evaporator of a refrigeration system for a container of a vehicle

A system is provided that includes mode, engine, and battery modules. The mode module is configured to determine whether to operate in an engine mode or a battery mode based on parameters. ... Emerson Climate Technologies Inc

01/04/18 / #20180001745

System and method of mode-based compressor speed control for refrigerated vehicle compartment

A system is provided that includes mode, shore power, engine, and battery modules. The mode module determines whether to operate in a shore power, engine, or battery mode based on parameters. ... Emerson Climate Technologies Inc

01/04/18 / #20180001744

Battery life prediction and monitoring

A refrigeration system for a vehicle includes a compressor in fluid communication with a condenser and an evaporator. The compressor includes a variable speed motor and employs capacity modulation using refrigerant injection. ... Emerson Climate Technologies Inc

01/04/18 / #20180001742

System and method of controlling an oil return cycle for a refrigerated container of a vehicle

A compressor compresses a refrigerant. A eutectic plate cools a refrigerated space. ... Emerson Climate Technologies Inc

01/04/18 / #20180001740

Startup control systems and methods for high ambient conditions

A refrigeration system includes a startup mode control module that receives at least one parameter associated with operation of a compressor of the refrigeration system, determines whether the at least one parameter indicates that the compressor is in a high ambient temperature startup condition, and selects, based on the determination, between a normal startup mode and a high ambient temperature startup mode. A compressor control module operates the compressor in the normal startup mode in response to the startup mode control module selecting the normal startup mode, operates the compressor in the high ambient temperature startup mode in response to the startup mode control module selecting the high ambient temperature startup mode, and transitions from the high ambient temperature startup mode to the normal startup mode after a predetermined period associated with operating in the high ambient temperature startup mode.. ... Emerson Climate Technologies Inc

01/04/18 / #20180001739

System and method of controlling compressor, evaporator fan, and condenser fan speeds during a battery mode of a refrigeration system for a container of a vehicle

A system is provided that includes mode and battery modules. The mode module, based on parameters, determines whether to operate in a shore power, engine or battery mode. ... Emerson Climate Technologies Inc

01/04/18 / #20180001738

Startup control systems and methods to reduce flooded startup conditions

A refrigeration system includes a startup mode control module that receives an off time of a compressor of the refrigeration system and an ambient temperature, determines whether the off time and the ambient temperature indicate that the compressor is in a flooded condition, and selects, based on the determination, between a normal startup mode and a flooded startup mode. A compressor control module operates the compressor in the normal startup mode in response to the startup mode control module selecting the normal startup mode, in the flooded startup mode in response to the startup mode control module selecting the flooded startup mode, and transitions from the flooded startup mode to the normal startup mode after a predetermined period associated with operating in the flooded startup mode. ... Emerson Climate Technologies Inc

01/04/18 / #20180001731

Systems and methods for capacity modulation through eutectic plates

A refrigeration system may include a compressor, a first heat exchanger, a first working fluid flow path, and a second working fluid flow path. The first heat exchanger receives working fluid discharged from the compressor. ... Emerson Climate Technologies Inc

12/07/17 / #20170350633

System and method of controlling a variable-capacity compressor

A climate-control system includes a variable-capacity compressor unit operable in a first capacity mode and in a second capacity mode that is higher than the first capacity mode and a control module configured to (i) switch the variable-capacity compressor unit between the first capacity mode and the second capacity mode based on a demand signal, a current outdoor air temperature, and an outdoor-air-temperature slope, (ii) select a region based on a first comparison of at least one outdoor-air-temperature value with a predetermined outdoor-air-temperature range and a second comparison of at least one outdoor-relative-humidity value with a predetermined outdoor-relative-humidity range, and (iii) set at least one system operating parameter based on the selected region, the at least one system operating parameter including at least one of a high-capacity runtime of the variable-capacity compressor unit, a low-capacity runtime of the variable-capacity compressor unit, and a fan speed.. . ... Emerson Climate Technologies Inc

12/07/17 / #20170350396

Compressor having a sleeve guide assembly

A compressor may include a shell, a bearing housing, an orbiting scroll, and a non-orbiting scroll. The bearing housing is supported within the shell and includes a central body and a plurality of arms. ... Emerson Climate Technologies Inc

11/30/17 / #20170343230

Variable-capacity compressor controller with two-wire configuration

A system includes a converter and a controller to control a compressor and operates without receiving power supply from a thermostat. The converter receives a demand signal from the thermostat that is used to power the controller and charge a capacitor. ... Emerson Climate Technologies Inc

11/30/17 / #20170342978

Capacity-modulated scroll compressor

A compressor is provided and may include a first scroll member having an end plate and a spiral wrap extending from the end plate. The end plate may include a first modulation port and a second modulation port each in fluid communication with a compression pocket formed by the spiral wrap. ... Emerson Climate Technologies Inc

11/09/17 / #20170321679

Single piece valve plate assembly for a reciprocating compressor

A valve plate assembly for a compressor according to the principles of the present disclosure includes a valve plate and a suction valve retainer. The valve plate is configured to separate suction-pressure working fluid entering a cylinder of the compressor from discharge-pressure working fluid exiting the cylinder of the compressor, the valve plate defining a discharge valve seat. ... Emerson Climate Technologies Inc

11/09/17 / #20170321678

Cylinder head assembly for a reciprocating compressor including a cylinder head with an integral valve plate

A cylinder head assembly for a compressor according to the present disclosure includes a valve plate and a cylinder head. The valve plate is configured to mount to a mounting surface of the compressor. ... Emerson Climate Technologies Inc

10/26/17 / #20170310251

Controller and method for transitioning between control angles

A control system for a refrigeration system motor includes an angle determination module that generates an output rotor angle indicating a desired angle of a rotor of the motor. A control module controls the motor based on the output rotor angle. ... Emerson Climate Technologies Inc

10/26/17 / #20170307239

Location-based information retrieval, viewing, and diagnostics for refrigeration, hvac, and other building systems

A system and method is provided that includes a system controller for a refrigeration or hvac system having at least one system component, at least one transmitter beacon associated with the at least one system component and configured to broadcast a signal with information identifying the associated at least one system component, and a mobile device configured to receive the signal. The mobile device is further configured to identify the at least one system component that is closest to the mobile device based on the information from the signal identifying the associated at least one system component and retrieve at least one of configuration and operational data associated with the at least one system component based on the information from the signal identifying the associated at least one system component through communication with a server that is in communication with the system controller.. ... Emerson Climate Technologies Inc

10/26/17 / #20170306960

Compressor having capacity modulation system

A compressor may include first and second scrolls, a seal assembly and a valve ring. The first scroll may include a first end plate having a discharge passage, a modulation port, and a biasing passage. ... Emerson Climate Technologies Inc

10/12/17 / #20170292519

Compressor having sound isolation feature

Scroll compressor designs are provided to minimize vibration, sound, and noise transmission. The scroll compressor has a bearing housing, and orbiting and non-orbiting scroll members. ... Emerson Climate Technologies Inc

10/12/17 / #20170292518

Compressor having sound isolation feature

Scroll compressor designs are provided to minimize vibration, sound, and noise transmission. The scroll compressor has a bearing housing, and orbiting and non-orbiting scroll members. ... Emerson Climate Technologies Inc

09/21/17 / #20170268812

System and method of controlling a variable-capacity compressor and a variable-capacity fan using a two-stage thermostat

A system includes a compressor, an indoor fan, a thermostat, an indoor fan controller, and a compressor controller. The thermostat provides first and second signals based on indoor loading. ... Emerson Climate Technologies Inc

09/21/17 / #20170268515

Compressor oil separation and assembly method

A compressor may include a shell, a compression mechanism, a bearing housing, a shroud, a stator, and a rotor. The compression mechanism includes a scroll member that is attached to the shell. ... Emerson Climate Technologies Inc

09/21/17 / #20170268513

Suction line arrangement for multiple compressor system

A compressor includes a shell assembly and a compression mechanism disposed within the shell assembly. The shell assembly includes first and second end caps. ... Emerson Climate Technologies Inc

09/21/17 / #20170268510

Compressor valve system and assembly

A compressor may include first and second scroll members having first and second scroll wraps, respectively. The scroll members define a suction inlet, a discharge outlet, and fluid pockets moving therebetween. ... Emerson Climate Technologies Inc

09/21/17 / #20170266769

Compressor diagnostic and protection system and method

System and methods are provided and include a compressor operable in a refrigeration circuit, a first sensor detecting high-side data indicative of a high-side operating condition of a high-pressure side of the refrigeration circuit, a second sensor detecting low-side data indicative of a low-side operating condition of a low-pressure side of the refrigeration circuit, and processing circuitry. The processing circuitry receives the high-side data and the low-side data, determines a high-side fault, a low-side fault, a severe high-side fault, or a severe low-side fault based on the high-side data and the low-side data, operates the compressor in a limp-along mode by restricting power to the compressor or reducing a capacity of the compressor in response to determining at least one of the high-side fault and the low-side fault, and shuts down the compressor in response to determining at least one of the severe high-side fault and the severe low-side fault.. ... Emerson Climate Technologies Inc

08/24/17 / #20170241690

Compressor capacity modulation system for multiple compressors

A system includes a plurality of compressors, an evaporator, an expansion device, and a system controller. The compressors may be linked in parallel. ... Emerson Climate Technologies Inc

08/24/17 / #20170241689

Compressor floodback protection system

A climate-control system may include a compressor, a condenser, an evaporator, a first sensor, a second sensor, a third sensor, and a control module. The compressor may include a motor and a compression mechanism. ... Emerson Climate Technologies Inc

08/24/17 / #20170241442

Compressor having sound control system

A climate-control system may include a compressor and a control module. The compressor includes a motor driving a compression mechanism to compress a working fluid. ... Emerson Climate Technologies Inc

08/17/17 / #20170234313

Compressor with oldham assembly

A compressor may include a non-orbiting scroll, an orbiting scroll, a driveshaft and an oldham coupling. The orbiting scroll meshingly engages the non-orbiting scroll. ... Emerson Climate Technologies Inc

08/10/17 / #20170229989

System and method for permanent magnet motor control

A method of operating an electric motor is disclosed. The method includes: determining a d-axis resistance of an electric motor and a q-axis resistance of the electric motor as a function of a bulk current; determining a d-axis inductance of the electric motor and a q-axis inductance of the electric motor as a function of the bulk current; generating an estimated flux of the electric motor based on the d-axis resistance of the electric motor, the q-axis resistance of the electric motor, the d-axis inductance of the electric motor, and the q-axis inductance of the electric motor; generating an estimated angle of the electric motor based on the estimated flux of the electric motor; and, based on the estimated angle of the electric motor, controlling switching of an inverter that powers the electric motor.. ... Emerson Climate Technologies Inc

08/10/17 / #20170229987

System and method for permanent magnet motor control

A method of operating an electric motor is disclosed. The method includes: starting the electric motor in an open loop control mode; operating an estimator that estimates operating conditions of the electric motor; and, while the electric motor is in the open loop control mode, evaluating a first parameter of the estimator. ... Emerson Climate Technologies Inc

07/13/17 / #20170198696

Compressor cooling system

A system may include a compressor including a compression mechanism having first and second compression members defining a compression pocket disposed between the first and second compression members that decreases in volume during operation of the compression mechanism. A heat exchanger receives compressed working fluid from the compressor. ... Emerson Climate Technologies Inc

06/29/17 / #20170184108

Thermal and sound optimized lattice-cored additive manufactured compressor components

A light-weight, high-strength insulating compressor component formed via additive manufacturing is provided. The component may have at least one interior region comprising a lattice structure that comprises a plurality of repeating cells. ... Emerson Climate Technologies Inc

06/29/17 / #20170184086

Lattice-cored additive manufactured compressor components with fluid delivery features

A light-weight, high-strength compressor component having at least one fluid delivery feature that is formed via additive manufacturing is provided. The component may have at least one interior region comprising a lattice structure that comprises a plurality of repeating cells. ... Emerson Climate Technologies Inc

06/29/17 / #20170182561

High-strength light-weight lattice-cored additive manufactured compressor components

A light-weight, high-strength compressor component is formed via additive manufacturing that has controlled stiffness and/or deflection levels. The component may have at least one interior region comprising a lattice structure that comprises a plurality of repeating cells. ... Emerson Climate Technologies Inc

06/22/17 / #20170179709

System and method for compressor motor protection

A refrigerant compressor includes an electric motor. A current sensor measures current to the electric motor. ... Emerson Climate Technologies Inc

06/22/17 / #20170176079

Ice machine including vapor-compression system

An ice machine may include a compressor, a first heat exchanger, an expansion device, an evaporator, an ice tray, and a water pump. The first heat exchanger may receive compressed working fluid from the compressor. ... Emerson Climate Technologies Inc

05/18/17 / #20170138643

Compressor with cooling system

A system may include first and second compressors, first and second heat exchangers, a flash tank, and first, second and third fluid paths. The first compressor may include first and second inlets. ... Emerson Climate Technologies Inc

05/04/17 / #20170125939

Plug assembly for a compressor including a conduit adaptor

A compressor including a shell including an opening; an electrical terminal engaging said opening and including a fence at least partially surrounding a plurality of first electrically conductive members; a plug including a plurality of second electrically conductive members in electrical communication with said first electrically conductive members, the plug including a threaded coupling unitary therewith; a plurality of wires extending from said second electrically conductive members through the threaded coupling; a conduit adapter including a first threaded surface for engagement with the threaded coupling, and a second threaded surface; and a threaded conduit engaging the second threaded surface to allow the plurality of wires to extend from the plug body, through the conduit adapter, and into the threaded conduit.. . ... Emerson Climate Technologies Inc

05/04/17 / #20170122302

Cylinder head assembly for reciprocating compressor

A compressor may include a housing, a piston, and a cylinder head assembly. The housing defines a cylinder and a first valve seat defining a recess. ... Emerson Climate Technologies Inc

04/06/17 / #20170097048

Scroll compressor lower bearing

A compressor includes a shell, a motor assembly, a driveshaft, and a bearing assembly. The bearing assembly is disposed within the shell and supports the driveshaft for rotation. ... Emerson Climate Technologies Inc

04/06/17 / #20170096997

Variable capacity reciprocating compressor

A reciprocating compressor may include a shell, a first cylinder, a plate, a second cylinder, and a piston. The first cylinder may be disposed within the shell and may include a first valve. ... Emerson Climate Technologies Inc

03/30/17 / #20170089625

Energy management for refrigeration systems

A system and method are provided including a system controller for a refrigeration or hvac system having a compressor rack with a compressor and a condensing unit with a condenser fan. The system controller monitors and controls operation of the refrigeration or hvac system. ... Emerson Climate Technologies Inc

03/30/17 / #20170089598

Maintenance and diagnostics for refrigeration systems

A system and a method are provided including a system controller for a refrigeration or hvac system having a compressor rack with a compressor and a condensing unit with a condenser fan. The system controller monitors and controls operation of the refrigeration or hvac system. ... Emerson Climate Technologies Inc

03/30/17 / #20170089340

Compressor having oil-level sensing system

A compressor may include a shell containing a motor, a compression mechanism and a lubricant sump. The compressor may also include first and second temperature sensors, and a control module. ... Emerson Climate Technologies Inc

03/16/17 / #20170074747

Leak detector sensor systems using tag-sensitized refrigerants

A leak detection system for a refrigerant circuit is provided. The refrigerant circuit is sealed and circulates a working fluid having a refrigerant (e.g., flammable refrigerant) and an oil. ... Emerson Climate Technologies Inc

02/23/17 / #20170054287

Compressor protection and grid fault detection device

A method of operating a refrigeration system that receives power from an electrical grid includes selectively operating at least one component of the refrigeration system in a first state. The method includes selectively detecting a fault event of the electrical grid in response to a concurrent (i) increase in amount of current drawn by the component and (ii) decrease in voltage of power received by the component. ... Emerson Climate Technologies Inc

02/23/17 / #20170051740

Variable speed compressor protection system and method

A system and method for a compressor includes a compressor connected to a condenser, a discharge line temperature sensor that outputs a discharge line temperature signal corresponding to a discharge line temperature of refrigerant leaving the compressor, and a control module connected to the discharge line temperature sensor. The control module determines a saturated condenser temperature, calculates a discharge superheat temperature based on the saturated condenser temperature and the discharge line temperature, and monitors a flood back condition of the compressor by comparing the discharge superheat temperature with a predetermined threshold. ... Emerson Climate Technologies Inc

02/16/17 / #20170045052

Multiple compressor configuration with oil-balancing system

An oil balancing system for a multiple compressor system is provided. The oil balancing system includes an oil equalization line disposed between a first compressor and a second compressor. ... Emerson Climate Technologies Inc

02/09/17 / #20170037850

Compressor high-side axial seal and seal assembly retainer

A compressor may include a non-orbiting scroll, an orbiting scroll, a drive shaft, a bearing housing and an annular seal. The non-orbiting scroll includes a first spiral wrap. ... Emerson Climate Technologies Inc

02/02/17 / #20170030354

Compressor with thermally-responsive modulation system

A compressor may include a first scroll, a second scroll and a modulation system. The first scroll may include a first endplate and a first spiral wrap. ... Emerson Climate Technologies Inc

01/05/17 / #20170002818

Compressor with thermally-responsive injector

A compressor includes a housing, a partition, a first scroll, a second scroll, and a valve assembly disposed within the second scroll. The valve assembly includes a valve housing, a valve body, and a first biasing member configured to displace the valve body from a first position to a second position relative to the valve housing. ... Emerson Climate Technologies Inc

01/05/17 / #20170002817

Compressor with thermal protection system

A compressor includes a housing, a partition, a first scroll, a second scroll, and a thermal protection system. The partition is disposed within the housing and defines a suction chamber and a discharge chamber. ... Emerson Climate Technologies Inc








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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