Images List Premium Download Classic

Refrigerant

Refrigerant-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


loading
NEW Thermal management systems for electronics
Hamilton Sundstrand Corporation
January 18, 2018 - N°20180020573

A refrigeration system for electronics includes a compressor disposed on a main line and configured to compress a refrigerant in the refrigeration system and a condenser disposed downstream of the compressor on the main line. An evaporator line is in fluid communication with the main line downstream of the condenser and has an evaporator configured to receive heat into the ...
NEW Refrigerant analyzer and a method of using the same
Carrier Corporation
January 18, 2018 - N°20180017519

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 ...
NEW Method and apparatus for cooling down a cryogenic heat exchanger and method of liquefying a ...
Shell Oil Company
January 18, 2018 - N°20180017320

The present invention relates to a method and apparatus for cooling down a cryogenic heat exchanger adapted to liquefy a hydrocarbon stream, such as a natural gas stream. The method comprises: (i) receiving one or more refrigerant temperature indications, providing an indication of the temperature of the refrigerant, (ii) comparing the one or more refrigerant temperature indications with one or ...
NEW Refrigerant Patent Pack
Download 778+ patent application PDFs
Refrigerant Patent Applications
Download 778+ Refrigerant-related PDFs
For professional research & prior art discovery
inventor
  • 778+ full patent PDF documents of Refrigerant-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
NEW Detecting refrigerant leak in a refrigeration system
Honeywell International Inc.
January 18, 2018 - N°20180017299

Devices, methods, and systems for detecting refrigerant leak in a refrigeration system are described herein. One device includes a memory and a processor configured to execute executable instructions stored in the memory to detect fluctuations in a refrigerant level in a refrigerant tank of a refrigeration system, determine whether the detected fluctuations in the refrigerant level are abnormal, and determine ...
NEW Condenser receiver drier refrigerant filter
Hanon Systems
January 18, 2018 - N°20180017298

A receiver drier comprises a housing and a filter unit. The housing includes a moisture absorbing chamber and a longitudinally spaced filter chamber. The filter chamber includes an inlet formed adjacent a first portion of an inner circumferential surface thereof and an outlet formed adjacent a second portion of the inner circumferential surface. The filter unit is received within the ...
NEW Condenser
Keihin Thermal Technology Corporation
January 18, 2018 - N°20180017297

An inlet member having a refrigerant inflow passage which is open at opposite ends is joined to a condensation section inlet header of a condenser. An opening at one end of the refrigerant inflow passage serves as an inflow opening into which externally supplied refrigerant flows, and an opening at the other end serves as an outflow opening from which ...
NEW Refrigerant Patent Pack
Download 778+ patent application PDFs
Refrigerant Patent Applications
Download 778+ Refrigerant-related PDFs
For professional research & prior art discovery
inventor
  • 778+ full patent PDF documents of Refrigerant-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
NEW Cooling/heating switching unit and air conditioner including the same
Hitachi-johnson Controls Air Conditioning, Inc.
January 18, 2018 - N°20180017293

A cooling/heating switching unit is provided that is capable of simply and reliably detecting leak of refrigerant. The switching unit includes: first and second fittings having a high/low-pressure-gas main pipe and a low-pressure-gas main pipe connected thereto, respectively, wherein the main pipes are linked to an outdoor unit; a third fitting having an indoor-unit connection pipe connected thereto, ...
NEW Low gwp cascade refrigeration system
Honeywell International Inc.
January 18, 2018 - N°20180017292

Disclosed are cascade refrigerant systems for providing cooling of air located in an enclosure that is occupied by or which will be exposed to humans or other animals during normal use, wherein systems includes; (1) a first, relatively low temperature heat transfer circuit having a first evaporator located within the enclosure and a first heat transfer fluid in the low temperature ...
NEW Linear power supply pre-regulator for electrical climate compressors
Hanon Systems
January 18, 2018 - N°20180017291

Inverter for an electric compressor comprising an auxiliary voltage supply that supplies a control electronics of the inverter with a dc voltage. The auxiliary voltage supply comprises a series circuit of a linear voltage regulator and a linear pre-regulator. The linear pre-regulator comprises a transistor and is connected to the input terminal of the linear voltage regulator. The linear pre-regulator ...
NEW Multi-online system
Midea Group Co., Ltd.
January 18, 2018 - N°20180017271

A multi-split system includes an outdoor unit, a distribution device, and a plurality of indoor units. The distribution device includes a gas-liquid separator, a first heat exchange assembly, a first electronic expansion valve, a second heat exchange assembly, a second electronic expansion valve, a third electronic expansion valve connected in parallel with the second electronic expansion valve. When the flow ...
NEW Cylinder-rotation-type compressor
Denso Corporation
January 18, 2018 - N°20180017056

A primary groove, into which a primary vane is slidably fitted, and a primary rotor-side suction passage, which conducts refrigerant of a shaft-side suction passage of a shaft to a primary compression chamber, are formed at a primary rotor. The primary groove is shaped into a form that extends from an inner peripheral side toward an outer peripheral side and ...
NEW Heat pump system, washing-drying integrated machine and clothes dryer
Qingdao Haier Washing Machine Co., Ltd.
January 18, 2018 - N°20180016726

Provided are a heat pump system, a washing-drying integrated machine and a clothes dryer. The heat pump system includes an evaporator, a compressor, a condenser and a refrigerant regulating subsystem; where the evaporator, the compressor, the condenser and the refrigerant regulating subsystem are sequentially communicated through a pipeline to form a refrigerant circulating loop; and the refrigerant regulating subsystem includes ...
NEW Electrical transport refrigeration system
Thermo King Corporation
January 18, 2018 - N°20180015808

Embodiments of an electrically powered transport refrigeration unit (tru) are disclosed. The tru may include a refrigeration circuit that includes an electrically powered compressor, an evaporator equipped with an electrically powered blower, and a gas cooler equipped with an electrically powered blower. The tru may also include a control circuit and a power regulator unit. The power regulator unit may ...
Refrigerant Patent Pack
Download 778+ patent application PDFs
Refrigerant Patent Applications
Download 778+ Refrigerant-related PDFs
For professional research & prior art discovery
inventor
  • 778+ full patent PDF documents of Refrigerant-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Subcooling system with thermal storage
Johnson Controls Technology Company
January 11, 2018 - N°20180010838

Embodiments of the present disclosure are directed toward systems and method for cooling a refrigerant flow of a refrigerant circuit with a cool water flow from a cool water storage to generate a warm water flow and to cool the refrigerant flow by a subcooling temperature difference, flowing the warm water flow to the cool water storage, and thermally isolating ...
Control device for refrigeration cycle apparatus, and control method for refrigeration cycle apparatus, and refrigeration ...
Mitsubishi Electric Corporation
January 11, 2018 - N°20180010834

A refrigeration cycle apparatus controller includes an expansion-valve controller configured to output an opening-degree command for an expansion valve based on a deviation between a discharge temperature of refrigerant discharged from a compressor and a set discharge temperature, and at least two control parameters including a proportionality coefficient and an integral coefficient, a flow-rate-correction-coefficient calculator configured to calculate a flow-rate ...
Digital monitoring and measuring air conditioner recharging system
Digi Charging Technology, Llc
January 11, 2018 - N°20180010832

A system for measuring and recharging an air conditioning system includes a vent sensor configured to be coupled to an outlet vent of an air conditioning system. The vent sensor is configured to measure at least one parameter of an air flow from the outlet vent. A processor is in signal communication with the vent sensor. The processor is configured ...
Valve and capillary tube system for refrigeration systems
Hill Phoenix, Inc.
January 11, 2018 - N°20180010831

A refrigeration system includes an evaporator, a condenser, a compressor, a capillary tube, and an expansion device. The compressor is configured to circulate a refrigerant between the evaporator and the condenser. The capillary tube is configured to receive the refrigerant from the condenser. The expansion device is configured to receive the refrigerant from the capillary tube and provide the refrigerant ...
Refrigeration system with separate feedstreams to multiple evaporator zones
Pdx Technologies Llc
January 11, 2018 - N°20180010830

A refrigeration system has: (a) a fluid tight circulation loop including a compressor, a condenser and an evaporator, the evaporator having at least three evaporator zones, each evaporator zone having an inlet port, the circulation loop being further configured to measure the condition of the refrigerant with a refrigerant condition sensor disposed within the evaporator upstream of the evaporator outlet ...
Heat pump and water heater
Climate Master, Inc.
January 11, 2018 - N°20180010829

An embodiment of the instant disclosure comprises a reversible heat pump and water heating system for conditioning a space and heating water. The system comprises a refrigerant circuit that includes a compressor, a source heat exchanger, a space heat exchanger, and an expansion device. A 4-way reversing valve alternates between heating and cooling modes of operation. The system includes a ...
Refrigerator
Lg Electronics Inc.
January 11, 2018 - N°20180010825

A refrigerator includes a first compressor configured to compress first refrigerant, a first condenser configured to condense the compressed first refrigerant, a first expansion valve configured to reduce a temperature and a pressure of the condensed first refrigerant, a first evaporator configured to evaporate the first refrigerant having passed through the first expansion valve, a second compressor configured to compress ...
Apparatus and methods for heating water with refrigerant and phase change material
Rheem Manufacturing Company
January 11, 2018 - N°20180010822

An apparatus for heating water has a tank for storing water and an air conditioning system that defines a refrigerant flow path through which refrigerant flows. The refrigerant flow path passes through a heat exchanger so that refrigerant heat is contributed to the tank. The heat exchanger houses a phase change material. A controller controls operation of the water heating ...
Loading