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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 3418. Отображено 100.
07-03-2013 дата публикации

Heating/Air-Conditioning Installation With External And Contiguous Condenser And Evaporator For Heating The External Evaporator

Номер: US20130055747A1
Автор: Patrick Bach
Принадлежит: PEUGEOT CITROEN AUTOMOBILES SA

A heating/air-conditioning installation (IC) comprises a compressor (CP) capable of heating and pressurizing a refrigerant, an internal condenser (CDI) capable, in heating mode, of contributing towards the heating of an air known as interior air by exchange with the refrigerant coming from the compressor (CP), an external pressure reducer (DTE) capable, in heating mode, of cooling the refrigerant, and an external evaporator (EE) capable, in heating mode, of heating up the refrigerant coming from the external pressure reducer (DTE) by exchange of heat with an air known as exterior air to feed into the compressor (CP). This installation (IC) further comprises an external condenser (CDE) contiguous with the external evaporator (EE) and capable, in heating mode, of collecting the refrigerant coming from the internal condenser (CDI) to feed the external pressure reducer (DTE) and constitute a heat source for the contiguous external evaporator (EE), so as to reduce the probability of the latter (EE) icing up in the presence of exterior air at a low temperature.

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Номер записи: 1
09-05-2013 дата публикации

High Efficiency Ejector Cycle

Номер: US20130111935A1
Автор: Liu Hongsheng, Radcliff Thomas D., Verma Parmesh Verma, Wang Jinliang, Zou Jiang
Принадлежит: CARRIER CORPORATION

A system () has a compressor (), a heat rejection heat exchanger (), first () and second () ejectors, first () and second () heat absorption heat exchangers, and a separator. The ejectors each have a primary inlet () coupled to the heat rejection exchanger to receive refrigerant. A second heat absorption heat exchanger () is coupled to the outlet of the second ejector to receive refrigerant. The separator () has an inlet () coupled to the outlet of the first ejector to receive refrigerant from the first ejector. The separator has a gas outlet () coupled to the secondary inlet () of the second ejector to deliver refrigerant to the second ejector. The separator has a liquid outlet () coupled to the secondary inlet () of the first ejector via the first heat absorption heat exchanger to deliver refrigerant to the first ejector. 1200250270. A system (; ; ) comprising:{'b': '22', 'a compressor ();'}{'b': '30', 'a heat rejection heat exchanger () coupled to the compressor to receive refrigerant compressed by the compressor;'}{'b': '38', 'claim-text': [{'b': '40', 'a primary inlet () coupled to the heat rejection heat exchanger to receive refrigerant;'}, {'b': '42', 'a secondary inlet (); and'}, {'b': '44', 'an outlet ();'}], 'a first ejector () having{'b': '64', 'a first heat absorption heat exchanger ();'}{'b': '202', 'claim-text': [{'b': '204', 'a primary inlet () coupled to the heat rejection heat exchanger to receive refrigerant;'}, {'b': '206', 'a secondary inlet (); and'}, {'b': '208', 'an outlet ();'}], 'a second ejector () having{'b': '220', 'a second heat absorption heat exchanger () coupled to the outlet of the second ejector to receive refrigerant; and'}{'b': '48', 'claim-text': [{'b': '50', 'an inlet () coupled to the outlet of the first ejector to receive refrigerant from the first ejector;'}, {'b': '54', 'a gas outlet () coupled to the secondary inlet of the second ejector to deliver refrigerant to the second ejector; and'}, {'b': '52', 'a liquid outlet () ...

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Номер записи: 2
04-07-2013 дата публикации

Pumped Refrigerant Cooling System With 1+1 To N+1 And Built-In Redundancy

Номер: US20130168059A1
Автор: Brandon R. LEONG, Douglas E. Werner, James Hom, Norman Chow, Richard G. Brewer, Tien-Chih Lin
Принадлежит: Liebert Corp

A pumped refrigerant cooling system having cooling units with associated pumping units for providing working fluid to the cooling unit to enable cooling of a space. The pumped refrigerant cooling system also includes a redundant pumping unit which is activated when a primary pumping unit associated with a cooling unit becomes inactive. The primary pumping unit is deactivated in favor of the redundant pumping unit. Once the primary pumping unit is placed in a condition suitable for reactivation, the redundant pumping unit is deactivated, and the primary pumping unit is reactivated.

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Номер записи: 3
11-07-2013 дата публикации

Heat exchanging system

Номер: US20130174593A1
Автор: Syuji Hattori, Tatsuhiro Tokuyama
Принадлежит: EN Tech CO Ltd

In an air conditioning system, a compressor, a condenser, and an indoor unit that functions as an evaporator during cooling, are provided in a circulation pathway of a refrigerant, in respective order during cooling. An additional heat exchanger is provided in the circulation pathway at a point that during cooling is between the condenser and the indoor unit. The additional heat exchanger is contained within a tank of a cooling device. The cooling device performs cooling of the additional heat exchanger by supplying water into the tank. Quantity of water supplied into the tank is controlled through open/close control of a control valve.

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Номер записи: 4
18-07-2013 дата публикации

Refrigerating apparatus

Номер: US20130180278A1
Автор: Takashi Ikeda, Takeshi Sugimoto, Tetsuya Yamashita
Принадлежит: Mitsubishi Electric Corp

A refrigerating apparatus includes a high temperature side first cycle; a high temperature side second cycle; a low temperature side cycle in which carbon dioxide is used as a refrigerant; a first cascade condenser and a second cascade condenser, which each exchange heat between a high temperature side refrigerant and a low temperature side refrigerant; and a control unit lowering an evaporation temperature of a high temperature side evaporator in correspondence to the flow of the low temperature side refrigerant.

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Номер записи: 5
29-08-2013 дата публикации

Refrigerator with convertible chamber and operation method thereof

Номер: US20130219930A1
Автор: Bongjun Choi, Gyuwon Shin
Принадлежит: LG ELECTRONICS INC

A method for controlling temperature of a refrigerator including a main body having at least first and second adiabatic spaces; a refrigerant compression cycle device including an evaporator, a compressor, a condenser, and an expander installed within the main body; and a heating unit transferring heat of a refrigerant discharged from the condenser to air in the second adiabatic space, includes: measuring an internal temperature of the second adiabatic space; bypassing the refrigerant discharged from the condenser to the second adiabatic space when the measured internal temperature of the second adiabatic space is lower than a lower limit value of a pre-set temperature range; measuring ambient temperature of the condenser; and controlling an operation of a condenser cooling fan according to the ambient temperature of the condenser to maintain the refrigerant that passes through the interior of the condenser at a certain temperature or higher.

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Номер записи: 6
03-10-2013 дата публикации

Energy efficiency of air conditioning system by using dual suction compressor

Номер: US20130255290A1
Автор: Alberto Gomes, Guolian Wu, Nihat Cur, Steven Kuehl
Принадлежит: Whirlpool Corp

A method for selectively transferring latent and sensible heat from air in a cooling system of a building structure interior volume that includes at least the steps of: (1) providing a building structure air conditioning system that provides cooling to at least a portion of the interior volume of a building structure and (2) adjusting a ratio of a time coolant flows through the first evaporator to a time coolant flows through the second evaporator such that coolant flows through the first evaporator for more time than the second evaporator when more latent heat is removed from the air and more coolant flows through the second evaporator for more time than the first evaporator when more sensible heat is removed from the air.

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Номер записи: 7
03-10-2013 дата публикации

Retrofittable thermal storage for air conditioning systems

Номер: US20130255291A1
Автор: Guolian Wu
Принадлежит: Whirlpool Corp

A system and method to retrofit a building structure having a forced air cooling system with a thermal storage system. The method typically includes the steps of installing a coolant loop that is free of a compressor, and a condenser, where the coolant loop comprises a refrigerant fluid pump and refrigerant fluid conduits that deliver coolant loop refrigerant fluid to a coolant loop evaporator spaced within a building air cooling passageway that delivers air to at least a portion of the interior volume of the a building structure and in thermal communication with air passing through the passageway and where the coolant loop is in thermal communication with a thermal energy storage material within a thermal energy thermal storage fluid tank; and activating the coolant loop pump to provide cooling to the coolant loop evaporator thereby cooling air moving in the building air passageway of a building structure.

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Номер записи: 8
03-10-2013 дата публикации

Fin-coil design for a dual suction air conditioning unit

Номер: US20130255307A1
Автор: Guolian Wu, Nihat Cur, Steven Kuehl
Принадлежит: Whirlpool Corp

An evaporator system that includes: a first evaporator coil at a first evaporator temperature and pressure; a second evaporator coil at a second evaporator temperature and pressure that is less than the first evaporator temperature and pressure where the first evaporator and second evaporator are configured to be thermally disjointed; and a plurality of thermally conductive spaced apart evaporator fins having a plurality of spaced apart thermal break portions positioned between the first evaporator coil and the second evaporator coil that thermally disjoin the first evaporator and the second evaporator.

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Номер записи: 9
13-02-2014 дата публикации

Apparatus for controlling relative humidity in a container

Номер: US20140041402A1
Автор: Allan Dyrmose, Ole Thogersen
Принадлежит: Thermo King Corp

In one embodiment, a method of operating a refrigeration system includes measuring a relative humidity of a container and comparing the measured relative humidity to a humidity set point. The method also includes operating evaporator fans of a refrigeration system when the measured relative humidity is above the humidity set point.

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Номер записи: 10
13-03-2014 дата публикации

HEAT PUMP SYSTEM FOR VEHICLE AND METHOD OF CONTROLLING THE SAME

Номер: US20140069123A1
Автор: Kim Jae Yeon
Принадлежит: HYUNDAI MOTOR COMPANY

A heat pump system for a vehicle may include a cooling apparatus that supplies and circulates coolant to a motor and an electrical equipment through a cooling line, wherein the cooling apparatus includes a radiator, a cooling fan that ventilates wind to the radiator, and a water pump connected to the cooling line, and an air conditioner apparatus connected through a refrigerant line, wherein the air conditioner apparatus includes a water-cooled condenser connected to the cooling line to change a temperature of the coolant using a waste heat that has occurred in the motor and the electrical equipment according to each mode of the vehicle and that is connected to the refrigerant line to enable an injected refrigerant in the refrigerant line to exchange a heat with the coolant at the inside thereof, and an air-cooled condenser connected in series to the water-cooled condenser through the refrigerant line. 1. A heat pump system for a vehicle , comprising: a radiator that cools the supplied coolant through heat exchange with outdoor air;', 'a cooling fan that ventilates wind to the radiator; and', 'a water pump that is connected to the cooling line and circulates the coolant along the cooling line; and, 'a cooling apparatus that supplies and circulates coolant to a motor and an electrical equipment through a cooling line, wherein the cooling apparatus includes a water-cooled condenser that is connected to the cooling line to change a temperature of the coolant using a waste heat that has occurred in the motor and the electrical equipment according to each mode of the vehicle and that is connected to the refrigerant line to enable an injected refrigerant in the refrigerant line to exchange a heat with the coolant at the inside thereof; and', 'an air-cooled condenser that is connected in series to the water-cooled condenser through the refrigerant line and that enables a refrigerant that is injected into the inside thereof to exchange a heat with the outdoor air., 'an air ...

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Номер записи: 11
10-04-2014 дата публикации

Cooling system for vehicle

Номер: US20140096560A1
Автор: Jae Yeon Kim, Jun-II Jang, Sang-Ok Lee, Soon-Jong Lee, Wan Je Cho, Yong-Nam Ahn, Yoon Sung Kim
Принадлежит: Doowon Climate Control Co Ltd, Halla Climate Control Corp, Hyundai Motor Co, Kia Motors Corp

An air-conditioning system for a vehicle may include a cooling unit including a radiator, a cooling fan to introduce air in the radiator, a water pump connected to the radiator through the cooling line, and a reserver tank provided on the cooling line to store a cooling fluid, a first condenser connected to the cooling line between the radiator and the reserver tank such that a cooling fluid is introduced and a refrigerant is introduced through a refrigerant line, and the refrigerant is condensed by heat exchange between the cooling fluid and the refrigerant, and a second condenser serially connected to the first condenser on the refrigerant line such that a condensed liquid phase refrigerant is introduced, and disposed on a front of the radiator such that the refrigerant is condensed by an air cooling type through heat exchange between the refrigerant and an outdoor air introduced on driving.

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Номер записи: 12
07-01-2016 дата публикации

Vehicle air conditioning device

Номер: US20160001636A1
Автор: Katsuji Taniguchi, Kentaro KURODA, Tomohiro Terada, Yoshitoshi Noda
Принадлежит: Panasonic Intellectual Property Management Co Ltd

The vehicle air conditioning device is equipped with: a heater core that imparts heat to air flowing to the vehicle cabin interior by flowing a high temperature cooling liquid; a first water-refrigerant heat exchanger that exchanges heat between the cooling liquid and the high-temperature, high-pressure refrigerant in a heat pump, thus condensing the refrigerant; a flow rate adjustment means that adjusts the flow rate of the cooling liquid flowing through the heater core and the first water-refrigerant heat exchanger; and a control unit that performs air conditioning control. The control unit controls the flow rate adjustment means, and adopts a configuration that for a predetermined time period from the starting up of the heat pump, sets the flow rate of the cooling liquid to a second flow rate that is lower than a first flow rate during standard operating.

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Номер записи: 13
04-01-2018 дата публикации

VEHICLE AIR-CONDITIONING DEVICE

Номер: US20180001741A1
Автор: SHIGETA Megumi, Suzuki Kenichi
Принадлежит:

There is disclosed a vehicle air-conditioning device in which a heating qualification by gas injection can sufficiently be obtained. The vehicle air-conditioning device comprises a compressor which compresses a refrigerant, an air flow passage through which air to be supplied into a vehicle interior flows, a radiator disposed in the air flow passage to let the refrigerant radiate heat, a heat absorber disposed in the air flow passage to let the refrigerant absorb heat, an outdoor heat exchanger disposed outside the vehicle interior to let the refrigerant radiate or absorb heat, and a controller. The controller executes a heating mode in which the refrigerant discharged from the compressor radiates heat in the radiator and the refrigerant by which heat has been radiated is decompressed and then absorbs heat in the outdoor heat exchanger . The vehicle air-conditioning device comprises an injection circuit which distributes a part of the refrigerant flowing out from the radiator to return the refrigerant to the middle of compression by the compressor , and the injection circuit has an expansion valve , and a discharge side heat exchanger which performs heat exchange between the refrigerant decompressed by the expansion valve and the refrigerant discharged from the compressor before flowing into the radiator 1. (canceled)2. A vehicle air-conditioning device comprising:a compressor which compresses a refrigerant;an air flow passage through which air to be supplied into a vehicle interior flows;a radiator disposed in the air flow passage to let the refrigerant radiate heat;a heat absorber disposed in the air flow passage to let the refrigerant absorb heat;an outdoor heat exchanger disposed outside the vehicle interior to let the refrigerant radiate or absorb heat; andcontrol means,at least the control means being configured to execute a heating mode in which the refrigerant discharged from the compressor radiates heat in the radiator and the refrigerant by which heat has ...

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Номер записи: 14
05-01-2017 дата публикации

Packaged terminal air conditioner unit

Номер: US20170003040A1
Автор: Brent Alden Junge, Gunaranjan Chaudhry, Michael John Kempiak
Принадлежит: Haier US Appliance Solutions Inc

A packaged terminal air conditioner unit includes a casing. A compressor, a reversing valve and an ejector of the packaged terminal air conditioner unit are positioned within the casing. The ejector is configured for drawing vapor refrigerant into a flow of liquid refrigerant. An exterior heat exchanger and an interior heat exchanger are also positioned within the casing. The interior heat exchanger has a first stage and a second stage.

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Номер записи: 15
02-01-2020 дата публикации

A system for conditioning air in a living space

Номер: US20200003443A1
Автор: Andrew Leo Haynes, Daniel Fernandez GONZALEZ
Принадлежит: Zinniatek Ltd

A system for providing air conditioning to a living space and heating potable water. The system comprising a heat pump circuit comprising a compressor for circulating a refrigerant around the heat pump circuit, a first condenser, a second condenser and an evaporator. The evaporator being adapted to receive a first flow of air from an air inlet to transfer heat from the first flow of air to the refrigerant. The first condenser being adapted to receive a flow of water to transfer heat from the refrigerant to the water. The second condenser being adapted to receive a second flow of air to transfer heat from the refrigerant to the second flow of air. The first flow being provided from the evaporator to a living space by an air outlet.

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Номер записи: 16
14-01-2016 дата публикации

Expendable driven heat pump cycles

Номер: US20160010902A1
Автор: Michael J. Andres
Принадлежит: Hamilton Sundstrand Corp

A cooling system with a compression cooling cycle for a working fluid that passes an expendable fluid through a warm side heat exchanger for the cooling system to cause the expendable fluid to vaporize and thus absorb heat from the working fluid by way of latent heat or enthalpy of vaporization and then running the vaporized expendable through a turbine that drives a compressor for the cooling system.

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Номер записи: 17
11-01-2018 дата публикации

Refrigerator

Номер: US20180010825A1
Автор: Kyeongyun Kim, Kyungseok Kim, Sunam Chae
Принадлежит: LG ELECTRONICS INC

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 second refrigerant, a second condenser configured to condense the compressed second refrigerant, a second expansion valve configured to reduce a temperature and a pressure of the condensed second refrigerant, a second evaporator configured to evaporate the second refrigerant having passed through the second expansion valve, a first heat exchanger arranged after and connected to the first expansion valve, and a second heat exchanger arranged after and connected to the second expansion valve. The first heat exchanger and the second heat exchanger are configured to exchange heat with each other.

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Номер записи: 18
15-01-2015 дата публикации

COOLING DEVICE AND VEHICLE EQUIPPED WITH THE SAME, AND CONTROL METHOD FOR COOLING DEVICE

Номер: US20150013363A1
Автор: Arai Kunihiko, Kawakami Yoshiaki
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A cooling device utilizes a vapor compression refrigeration cycle including a compressor, a condenser, a receiver, an expansion valve, an evaporator, and an accumulator to cool a heat source with a coolant. The receiver separates the coolant having been subjected to heat exchange by the condenser into gas and liquid. The accumulator separates the coolant having been subjected to heat exchange by the evaporator into gas and liquid. The cooling device opens a switch valve capable of bringing the receiver and the accumulator into communication with each other to move the coolant liquid in the accumulator to the receiver. The cooling device restores the pressure difference between the receiver and the accumulator after the movement of the coolant liquid to the pressure difference before the movement of the coolant liquid by a pressure regulating unit. 1. A cooling device configured to perform cooling through use of a coolant , comprising:a compressor configured to compress the coolant;a first heat exchanger configured to perform heat exchange between the coolant having been compressed and outside air;a first gas-liquid separating unit configured to separate the coolant having been subjected to the heat exchange by the first heat exchanger into gas and liquid;a decompressor configured to decompress the coolant from the first gas-liquid separating unit;a second heat exchanger configured to perform heat exchange between the coolant having been decompressed and air-conditioning air;a second gas-liquid separating unit configured to separate the coolant having been subjected to the heat exchange by the second heat exchanger into gas and liquid, and supply the coolant to the compressor;a switch valve configured to switch the first gas-liquid separating unit and the second gas-liquid separating unit into a communicating state to perform coolant transfer of a liquid-phase component from the second gas-liquid separating unit to the first gas-liquid separating unit;a pressure ...

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Номер записи: 19
09-01-2020 дата публикации

HEAT PUMP APPARATUS

Номер: US20200011569A1
Автор: Ipposhi Shigetoshi, NOMURA Yasumitsu
Принадлежит: Mitsubishi Electric Corporation

A heat pump apparatus includes a use-side heat exchanger that cause heat exchange to be performed between a heat medium flowing from a heat-storage heat exchanger and a heat usage medium, and a flow-passage switching device that switches a flow passage for the heat medium to a first flow passage that circulates through a heat-reception-side heat exchanger and the heat-storage heat exchanger without extends through the use-side heat exchanger or a second flow passage that circulates through the heat-reception-side heat exchanger and the heat-storage heat exchanger via the use-side heat exchanger. Even when the temperature of the heat storage medium rises, heat received from a heat source can be stored in the heat storage medium by a heat pump, while a decrease of the efficiency of the heat pump can be reduced. 1. A heat pump apparatus comprising:a pressure reducing device configured to expand a heat medium flowing into the pressure reducing device to reduce a pressure of the heat medium, and then allow the heat medium to flow from the pressure reducing device;a heat-reception-side heat exchanger into which the heat medium flowing from the pressure reducing device flows, the heat-reception-side heat exchanger being configured to cause heat exchange to be performed between the heat medium and a heat source;a compressor configured to suck the heat medium flowing from the heat-reception-side heat exchanger, compress the heat medium to increase a pressure of the heat medium, and discharge the heat medium;a heat-storage heat exchanger into which the heat medium discharged from the compressor flows, the heat-storage heat exchanger being configured to cause heat exchange to be performed between the heat medium and a heat storage medium;a use-side heat exchanger into which the heat medium flows from the heat-storage heat exchanger, the user-side heat exchanger being configured to cause exchange heat to be performed between the heat medium and a heat usage medium, and then ...

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Номер записи: 20
17-01-2019 дата публикации

HEAT EXCHANGER FOR USE WITH EARTH-COUPLED AIR CONDITIONING SYSTEMS

Номер: US20190017733A1
Автор: EDWARDS Roger G.
Принадлежит:

An air handling system that includes at least one earth-coupled heat exchanger assembly that further includes a first pipe section having an inner diameter and an outer diameter; a second pipe section concentrically surrounding a portion of the first pipe section, wherein the second pipe section includes an inner diameter and an outer diameter, wherein the outer diameter of the first pipe section and the inner diameter of the second pipe section define a space therebetween, and wherein the space between the first pipe section and the second pipe section is evacuated to form an insulating vacuum therein; and a third pipe section concentrically surrounding a portion of the second pipe section, wherein the third pipe section includes an inner diameter and an outer diameter, and wherein the outer diameter of the second pipe and the inner diameter of the third pipe section define a passageway therebetween. 1. An air handling system , comprising: (i) a first pipe section, wherein the first pipe section includes an inner diameter and an outer diameter;', '(ii) a heat-transfer reducing insulator that includes a second pipe section concentrically surrounding a portion of the first pipe section, wherein the second pipe section includes an inner diameter and an outer diameter, wherein the outer diameter of the first pipe section and the inner diameter of the second pipe section define a space therebetween, wherein the space between the first pipe section and the second pipe section is evacuated to form an insulating vacuum therein, and', '(iii) a third pipe section concentrically surrounding a portion of the second pipe section, wherein the third pipe section includes an inner diameter and an outer diameter, and wherein the outer diameter of the second pipe and the inner diameter of the third pipe section define a passageway therebetween,', '(iv) wherein the heat-transfer reducing insulator is operative to reduce heat transfer between the first pipe section and the third pipe ...

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Номер записи: 21
21-01-2021 дата публикации

COMPRESSOR CHILLER SYSTEMS INCLUDING THERMOELECTRIC MODULES, AND CORRESPONDING CONTROL METHODS

Номер: US20210018230A1
Автор: Hojer Henrik
Принадлежит:

According to various aspects, exemplary embodiments are disclosed of chiller systems including thermoelectric modules, and corresponding control methods. In an exemplary embodiment, a compressor chiller system generally includes a refrigerant loop having a refrigerant fluid, a compressor connected in the refrigerant loop to compress the refrigerant fluid, and a condenser connected in the refrigerant loop to receive the compressed refrigerant fluid from the compressor and to condense the compressed refrigerant fluid. The system also includes a heat transfer component connected in the refrigerant loop to receive the condensed refrigerant fluid from the condenser, and a coolant loop having a coolant fluid. The heat transfer component is connected in the coolant loop to transfer heat from the coolant fluid to the condensed refrigerant fluid. The system further includes a thermoelectric module connected in the coolant loop. The thermoelectric module is adapted to transfer heat into and/or out of the coolant fluid. 1. A compressor chiller system comprising:a compressor configured to compress a refrigerant fluid; anda thermoelectric module adapted to transfer heat into a coolant fluid for increasing temperature of the coolant fluid and to transfer heat out of the coolant fluid for decreasing the temperature of the coolant fluid, such that the thermoelectric module is operable for controlling the temperature of the coolant fluid, whereby the thermoelectric module is operable for providing additional cooling capacity when a cooling demand of the compressor chiller system exceeds a maximum cooling capacity of the compressor thereby enabling the compressor to run continuously which reduces compressor turn on and turn off events.2. The system of claim 1 , wherein the system includes a refrigerant loop having the refrigerant fluid claim 1 , and wherein the compressor is connected in the refrigerant loop.3. The system of claim 2 , wherein the system includes a condenser connected ...

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Номер записи: 22
25-01-2018 дата публикации

Air conditioner for vehicle

Номер: US20180022184A1
Автор: Koji Sakai, Shinji Nakamoto, Teruaki Ohyama, Tomoyuki Sumi, Yuji Kamiya
Принадлежит: Denso Corp

An air conditioner for a vehicle has a compressor, a radiator, a first pressure reducer, a gas-liquid separator, a second pressure reducer, an exterior heat exchanger, an intermediate pressure refrigerant passage, a switching device, and a controller. The controller operates the switching device to switch from a refrigerant circuit of a two-stage compression mode to a refrigerant circuit of a single-stage compression mode when a compressor stop signal is output in the two-stage compression mode. The single-stage compression mode is a mode that blocks at least a flow of an intermediate-pressure refrigerant into the intermediate pressure refrigerant passage and makes refrigerant remained in the intermediate pressure refrigerant passage to flow out of the intermediate pressure refrigerant passage. The controller stops the compressor after controls the compressor to continue operating for a specified time in the single-stage compression mode. The controller restarts the compressor when the compressor stop signal is canceled.

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Номер записи: 23
25-01-2018 дата публикации

VEHICLE AIR-CONDITIONING DEVICE

Номер: US20180022189A1
Автор: SHIGETA Megumi, Suzuki Kenichi
Принадлежит:

There is disclosed a vehicle air-conditioning device in which a heating qualification by gas injection can sufficiently be obtained. The vehicle air-conditioning device comprises a compressor which compresses a refrigerant, an air flow passage through which air to be supplied into a vehicle interior flows, a radiator disposed in the air flow passage to let the refrigerant radiate heat, a heat absorber disposed in the air flow passage to let the refrigerant absorb heat, an outdoor heat exchanger disposed outside the vehicle interior to let the refrigerant radiate or absorb heat, and a controller. The controller executes a heating mode in which the refrigerant discharged from the compressor radiates heat in the radiator and the refrigerant by which heat has been radiated is decompressed and then absorbs heat in the outdoor heat exchanger The vehicle air-conditioning device comprises an injection circuit which distributes a part of the refrigerant flowing out from the radiator to return the refrigerant to the middle of compression by the compressor and the injection circuit has an expansion valve and a discharge side heat exchanger which performs heat exchange between the refrigerant decompressed by the expansion valve and the refrigerant discharged from the compressor before flowing into the radiator 1. A vehicle air-conditioning device comprising:a compressor which compresses a refrigerant;an air flow passage through which air to be supplied into a vehicle interior flows;a radiator disposed in the air flow passage to let the refrigerant radiate heat;a heat absorber disposed in the air flow passage to let the refrigerant absorb heat;an outdoor heat exchanger disposed outside the vehicle interior to let the refrigerant radiate or absorb heat; andcontrol means,at least the control means being configured to execute a heating mode in which the refrigerant discharged from the compressor radiates heat in the radiator and the refrigerant by which heat has been radiated is ...

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Номер записи: 24
25-01-2018 дата публикации

VEHICLE AIR-CONDITIONING DEVICE

Номер: US20180022190A1
Автор: SHIGETA Megumi, Suzuki Kenichi
Принадлежит:

There is disclosed a vehicle air-conditioning device in which a heating qualification by gas injection can sufficiently be obtained. The vehicle air-conditioning device comprises a compressor which compresses a refrigerant, an air flow passage through which air to be supplied into a vehicle interior flows, a radiator disposed in the air flow passage to let the refrigerant radiate heat, a heat absorber disposed in the air flow passage to let the refrigerant absorb heat, an outdoor heat exchanger disposed outside the vehicle interior to let the refrigerant radiate or absorb heat, and a controller. The controller executes a heating mode in which the refrigerant discharged from the compressor radiates heat in the radiator and the refrigerant by which heat has been radiated is decompressed and then absorbs heat in the outdoor heat exchanger The vehicle air-conditioning device comprises an injection circuit which distributes a part of the refrigerant flowing out from the radiator to return the refrigerant to the middle of compression by the compressor and the injection circuit has an expansion valve and a discharge side heat exchanger which performs heat exchange between the refrigerant decompressed by the expansion valve and the refrigerant discharged from the compressor before flowing into the radiator 1. (canceled)2. A vehicle air-conditioning device comprising:a compressor which compresses a refrigerant;an air flow passage through which air to be supplied into a vehicle interior flows;a radiator disposed in the air flow passage to let the refrigerant radiate heat;a heat absorber disposed in the air flow passage to let the refrigerant absorb heat;an outdoor heat exchanger disposed outside the vehicle interior to let the refrigerant radiate or absorb heat; andcontrol means,at least the control means being configured to execute a heating mode in which the refrigerant discharged from the compressor radiates heat in the radiator and the refrigerant by which heat has been ...

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Номер записи: 25
26-01-2017 дата публикации

Pumped Refrigerant Cooling System With 1+1 To N+1 And Built-In Redundancy

Номер: US20170023279A1
Автор: Brandon R. LEONG, Douglas E. Werner, James Hom, Norman Chow, Richard G. Brewer, Tien-Chih Lin
Принадлежит: Liebert Corp

A pumped refrigerant cooling system having cooling units with associated pumping units for providing working fluid to the cooling unit to enable cooling of a space. The pumped refrigerant cooling system also includes a redundant pumping unit which is activated when a primary pumping unit associated with a cooling unit becomes inactive. The primary pumping unit is deactivated in favor of the redundant pumping unit. Once the primary pumping unit is placed in a condition suitable for reactivation, the redundant pumping unit is deactivated, and the primary pumping unit is reactivated.

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Номер записи: 26
25-01-2018 дата публикации

HEAT PUMP SYSTEM

Номер: US20180023818A1
Автор: Takayama Keisuke
Принадлежит: Mitsubishi Electric Corporation

A heat pump system includes: a compressor for compressing refrigerant; a first heat exchanger for exchanging heat between the refrigerant compressed by the compressor and a heating medium; a second heat exchanger for exchanging heat between the refrigerant compressed by the compressor and the heating medium; a first pipe through which the refrigerant is fed from the compressor to the first heat exchanger; a second pipe through which the refrigerant returns from the first heat exchanger to the compressor; a third pipe through which the refrigerant is fed from the compressor to the second heat exchanger after returning from the first heat exchanger; and switching apparatus for switching a flow of the heating medium between a first mode and a second mode. The heating medium flows through the first heat exchanger and the second heat exchanger in series in the first mode. The heating medium flows through the first heat exchanger and the second heat exchanger in parallel in the second mode. 1. A heat pump system comprising:a compressor configured to compress refrigerant;a first heat exchanger configured to exchange heat between the refrigerant compressed by the compressor and a heating medium;a second heat exchanger configured to exchange heat between the refrigerant compressed by the compressor and the heating medium;a first pipe through which the refrigerant is fed from the compressor to the first heat exchanger;a second pipe through which the refrigerant returns from the first heat exchanger to the the compressor;a third pipe through which the refrigerant is fed from the compressor to the second heat exchanger after returning from the first heat exchanger; anda switching apparatus configured to switch a flow of the heating medium between a first mode and a second mode, the heating medium flowing through the first heat exchanger and the second heat exchanger in series in the first mode, the heating medium flowing through the first heat exchanger and the second heat ...

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Номер записи: 27
25-01-2018 дата публикации

REFRIGERATION AND HEATING SYSTEM

Номер: US20180023867A1
Автор: Douven Christian, Hafkemeyer Markus
Принадлежит:

A refrigeration and heating system () comprises a refrigeration circuit () which comprises in the direction of flow of a circulating refrigerant: at least one compressor (, , ); a refrigeration circuit side () of a coupling heat exchanger (); at least one gas cooler (); at least one gas cooler bypass line () and at least one gas cooler bypass valve assembly () allowing to bypass the at least one gas cooler (); at least one expansion device () and at least one evaporator (). The refrigeration and heating system () further comprises a heating circuit () which comprises in the direction of flow of a circulating heating fluid: a heating circuit side () of the coupling heat exchanger () and at least one heating device (). The coupling heat exchanger () is configured for transferring heat from the circulating refrigerant to the circulating heating fluid; and the gas cooler bypass valve assembly () is configured for allowing to selectively direct a first flow of refrigerant either through the gas cooler () or through the gas cooler bypass line () bypassing the gas cooler () and to gradually or continuously regulate a second flow of refrigerant flowing through the other of the gas cooler () and the gas cooler bypass line () which mixes with the first flow downstream of the gas cooler (). 12. Refrigeration and heating system () comprising{'b': '4', 'a refrigeration circuit () which comprises in the direction of flow of a circulating refrigerant{'b': 6', '6', '6, 'i': a', 'b', 'c, 'at least one compressor (, , );'}{'b': '8', 'a refrigeration circuit side (Sa) of a coupling heat exchanger ();'}{'b': '10', 'at least one gas cooler ();'}{'b': 18', '25', '10, 'at least one gas cooler bypass line () and at least one gas cooler bypass valve assembly () allowing to bypass the at least one gas cooler ();'}{'b': 12', '14, 'at least one expansion device (, ); and'}{'b': '16', 'at least one evaporator (); and'}{'b': '20', 'a heating circuit () which comprises in the direction of flow of ...

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Номер записи: 28
10-02-2022 дата публикации

Refrigeration System And Methods For Refrigeration

Номер: US20220042722A1
Автор: Lingelbach Fred, Lingelbach John
Принадлежит:

A refrigeration system includes: a compressor arrangement for compressing gaseous refrigerant from a first pressure to a second pressure, wherein the second pressure comprises a condensing pressure; a plurality of condenser evaporator systems, wherein each condenser evaporator system comprises: a condenser for receiving gaseous refrigerant at a condensing pressure and condensing the refrigerant to a liquid refrigerant; a controlled pressure receiver for holding the liquid refrigerant from the condenser; and an evaporator for evaporating liquid refrigerant from the controlled pressure receiver to form gaseous refrigerant; a first gaseous refrigerant feed line for feeding the gaseous refrigerant at the second pressure from the compressor arrangement to the plurality of condenser evaporator systems; and a second gaseous refrigerant feed line for feeding gaseous refrigerant from the plurality of condenser evaporator systems to the compressor arrangement. 115.-. (canceled)16. A process for providing refrigeration to multiple locations in a facility , the method comprising steps of:(a) compressing a gaseous refrigerant from an accumulator to form a compressed gaseous refrigerant; (1) a condenser for receiving the compressed gaseous refrigerant and condensing the compressed gaseous refrigerant to a liquid refrigerant;', '(2) a receiver for holding the liquid refrigerant; and', '(3) an evaporator for evaporating the liquid refrigerant from the receiver to form an evaporated refrigerant composition to provide refrigeration to one of the multiple locations in the facility;, '(b) feeding the compressed gaseous refrigerant a plurality of decentralized condenser evaporator systems, the plurality of decentralized condenser evaporator systems each comprise(c) feeding the evaporated refrigerant from the plurality of decentralized condenser evaporator systems to the accumulator, wherein the accumulator comprises a reservoir for storing the liquid refrigerant from the evaporated ...

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Номер записи: 29
24-04-2014 дата публикации

Referigerant-to-air device

Номер: US20140109606A1
Автор: James M. McDuffie, Robert W. Cochran, Russell W. Bath
Принадлежит: EarthLinked Technologies Inc

A refrigerant system includes a compressor, an evaporator, an expansion valve, an accumulator or equivalent, one or more earth loops, and auxiliary heat removal means. The auxiliary means comprises a fan and fan coil and the fan forces air between multiple tubes of the fan coil to remove unwanted heat from the hot vapor exiting the compressor.

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Номер записи: 30
29-01-2015 дата публикации

Split air conditioning system with a single outdoor unit

Номер: US20150027150A1
Автор: Guolian Wu, Nihat O. Cur, Steven J. Kuehl
Принадлежит: Whirlpool Corp

A split air conditioning system for conditioning a plurality of zones within a single living area of a building, that includes a single outdoor unit; a refrigerant flow pathway made up of a plurality of refrigerant conduits having a common refrigerant flow path portion and at least two divergent flow path portions, a first divergent flow path and a second divergent flow path and the first evaporator and second evaporator are in parallel with one another; at least one throttling device; a portioning device configured to selectively and proportionately regulate the flow of a refrigerant fluid to the first evaporator and the second evaporator, respectively where the compressor is configured to be capable of simultaneously driving both the first evaporator and the second evaporator at their full cooling capacity.

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Номер записи: 31
24-01-2019 дата публикации

Heat Exchange System

Номер: US20190024954A1
Автор: Kohler Gregory, Matter Jerome
Принадлежит:

A heat exchange system operating on a vapor compression cycle is capable of operating in both an air conditioning mode and a heat pump mode. The heat exchange system can include a parallel flow heat exchanger that operates as a condenser in one mode and as an evaporator in the other mode. The heat exchanger can include a first, second, and third fluid manifold, with fluid conduits connecting the first and second fluid manifolds, and with additional fluid conduits connecting the second and third fluid manifolds. The heat exchanger can be configured to transfer heat between a working fluid traveling through the fluid conduits and another fluid, such as an air flow passing over the fluid conduits. 1. A heat exchange system capable of operating both an air conditioning mode and a heat pump mode , comprising:a compressor operable to compress and circulate a refrigerant through the heat exchange system;an expansion device operable to expand the refrigerant from a high pressure liquid state to a low pressure two-phase state;a reversing valve operable to direct the flow of refrigerant through the heat exchange system, the reversing valve having a first port fluidly connected to an inlet of the compressor to direct the flow of refrigerant thereto, a second port fluidly connected to an outlet of the compressor to receive the flow of refrigerant therefrom, a third port, and a fourth port;a first fluid flow path extending between the third port of the reversing valve and a first port of the expansion device;a second fluid flow path extending between the fourth port of the reversing valve and a second port of the expansion device, the second fluid flow path including a first branch portion and a second branch portion arranged fluidly in parallel with the first branch portion; anda heat exchanger having a first plurality of fluid conduits and a second plurality of fluid conduits, wherein the first plurality of fluid conduits and the second plurality of fluid conduits provide ...

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Номер записи: 32
28-01-2021 дата публикации

DEHUMIDIFIER WITH MULTI-CIRCUITED EVAPORATOR AND SECONDARY CONDENSER COILS

Номер: US20210025604A1
Автор: "OBrien Timothy S.", DeMonte Todd R., Lorang Grant M., Sloan Scott E., Yu Weizhong
Принадлежит:

A dehumidification system includes a compressor, a primary evaporator, a primary condenser, a secondary evaporator, and a secondary condenser. The secondary evaporator receives an inlet airflow and outputs a first airflow to the primary evaporator. The primary evaporator receives the first airflow and outputs a second airflow to the secondary condenser. The secondary condenser receives the second airflow and outputs a third airflow to the primary condenser. The primary condenser receives the third airflow and outputs a dehumidified airflow. The compressor receives a flow of refrigerant from the primary evaporator and provides the flow of refrigerant to the primary condenser. 1. A dehumidification system , comprising: receive a flow of refrigerant; and', 'receive an inlet airflow and output a first airflow, the first airflow comprising cooler air than the inlet airflow, the first airflow generated by transferring heat from the inlet airflow to the flow of refrigerant as the inlet airflow passes through the secondary evaporator;, 'a secondary evaporator operable to receive a portion of the flow of refrigerant; and', 'receive the first airflow and output a second airflow, the second airflow comprising cooler air than the first airflow, the second airflow generated by transferring heat from the first airflow to the flow of refrigerant as the first airflow passes through the primary evaporator;, 'a primary evaporator operable to receive the flow of refrigerant from the secondary evaporator; and', 'receive the second airflow and output a third airflow, the third airflow comprising warmer air with a lower relative humidity than the second airflow, the third airflow generated by transferring heat from the flow of refrigerant to the third airflow as the second airflow passes through the secondary condenser;, 'a secondary condenser operable to receive the flow of refrigerant; and', 'receive the third airflow and output a dehumidified airflow, the dehumidified airflow ...

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Номер записи: 33
02-02-2017 дата публикации

Vehicular Air-Conditioning System With A Switching Heat Exchanger

Номер: US20170028814A1
Автор: Brodie Bradley, Huyghe Erik, Kurata Masafumi
Принадлежит:

An air-conditioning system for a vehicle includes a switching heat exchanger. The switching heat exchanger includes a heat exchanger core, a receiver tank, and a switch valve. The switch valve may be arranged between the heat exchanger core and the receiver tank to control the flow of refrigerant. A controller can be configured to control the switch valve in an access position during a cooling mode and a bypass position during a heating mode. In the access position, the heat exchanger core is in communication with the receiver tank such that the refrigerant flows from a primary region of the heat exchanger core to the receiver tank. In the bypass position, the heat exchanger core is in communication with its outlet such that the refrigerant from the primary region flows out from the switching heat exchanger. 1. An air-conditioning system for a vehicle comprising:a switching heat exchanger disposed at a front portion of the vehicle and including a heat exchanger core, a receiver tank, a bypass tube, and a switch valve, the heat exchanger core having a primary region and a secondary region, the primary region being before the secondary region, the heat exchanger core exchanging heat between refrigerant flowing therein and air blowing through, an inlet of the receiver tank communicating with the primary region of the heat exchanger core for receiving the refrigerant and an outlet of the receiver tank communicating with the secondary region for providing the refrigerant to the heat exchanger core, the bypass tube having one end communicating with an outlet of the heat exchanger core and having the other end communicating with the receiver tank for defining a passage between the receiver tank and the outlet of the heat exchanger core, the switch valve being arranged along the bypass tube to control the flow of refrigerant to the outlet via the passage provided by the bypass tube; anda controller configured to control the switch valve to an access position during a ...

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Номер записи: 34
01-02-2018 дата публикации

Heat pump defrosting system and method

Номер: US20180031281A1
Автор: David Martin Wintemute, Mathieu Philippe Beliveau
Принадлежит: Nortek Air Solutions Canada Inc

A heat pump system for conditioning regeneration air from a space is provided. The heat pump system is operable in a winter mode and/or a summer mode, and may be selectively operated in a defrost mode or cycle. During a defrost mode, hot refrigerant may be used to directly and sequentially defrost the regeneration air heat exchanger. A compressor may be configured to be overdriven during a defrost cycle.

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Номер записи: 35
01-02-2018 дата публикации

REFRIGERATION CYCLE SYSTEM

Номер: US20180031287A1
Автор: NAGAE Takao, OYA Ryo
Принадлежит:

A refrigeration cycle system includes: a first refrigeration cycle apparatus which is connected to a first compressor, a first condenser, a first pressure reduction device, and a first evaporator and through which the refrigerant circulates; a second refrigeration cycle apparatus which is connected to a second compressor, a second condenser, and a second pressure reduction device, and a second evaporator; a first bypass passage connecting a portion between the first evaporator and the first compressor to a portion between the second evaporator and the second compressor; and a second bypass passage connecting a portion between the first condenser and the first pressure reduction device to a portion between the second condenser and the second pressure reduction device. 1. A refrigeration cycle system comprising:a first refrigeration cycle apparatus that is connected to a first compressor, a first condenser, a first pressure reduction device, and a first evaporator, and through which refrigerant circulates;a second refrigeration cycle apparatus that is connected to a second compressor, a second condenser, a second pressure reduction device, and a second evaporator, and through which the refrigerant circulates;a first bypass passage connecting a portion between the first evaporator and the first compressor to a portion between the second evaporator and the second compressor; anda second bypass passage connecting a portion between the first condenser and the first pressure reduction device to a portion between the second condenser and the second pressure reduction device, whereinthe first refrigeration cycle apparatus further includes a third valve disposed between the first evaporator and the first compressor and configured to control a passage of the refrigerant,the second refrigeration cycle apparatus further includes a fourth valve disposed between the second evaporator and the second compressor and configured to control a passage of the refrigerant, andthe first ...

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Номер записи: 36
06-02-2020 дата публикации

Single-pipe thermal energy system

Номер: US20200041163A1
Автор: Arash BASTANI, Daniel Giguere, Parham ESLAMI-NEJAD
Принадлежит: Canada Minister of Natural Resources

Thermal energy systems for managing, distribution and recovery of thermal energy. A single-pipe loop circulating a two-phase refrigerant is provided. The single-pipe loop is spread through the entire system and interconnects a plurality of local heat exchange stations, each having different thermal energy loads. A central circulation mechanism (CCM) is also provided for circulating the refrigerant for distribution of thermal energy within the system.

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Номер записи: 37
15-02-2018 дата публикации

Refrigeration device

Номер: US20180045434A1
Автор: Hiroyuki Sato, Susumu Kobayashi, Takao Otsuki
Принадлежит: Panasonic Healthcare Holdings Co Ltd

A refrigeration device includes: a refrigerant circuit in which a compressor, a condenser, a decompressor, and an evaporator are connected circularly in the stated order; and a regenerative refrigerator including a heat dissipation portion that compresses a working fluid enclosed in a chamber and dissipates heat produced by compression, and a heat absorption portion in which the working fluid compressed in the heat dissipation portion is expanded. A refrigerant in the condenser is cooled by heat exchange between the condenser and the heat absorption portion.

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Номер записи: 38
13-02-2020 дата публикации

Air conditioner for vehicle

Номер: US20200047583A1
Автор: Akira Horikoshi, Nobuhiko Fujii, Takashi Toyama, Tetsuya Ishizeki, Yoshiyuki Okamoto
Принадлежит: Sanden Automotive Climate Systems Corp

An air conditioner for a vehicle is provided which is capable of appropriately cooling a battery while effectively utilizing the heat of the battery for heating of a vehicle interior. A battery temperature adjustment device 61 which adjusts the temperature of a battery 55 has a refrigerant-heat medium heat exchanger 64 to exchange heat between a refrigerant and a heat medium. A controller executes a first heating/battery cooling mode to let the refrigerant discharged from a compressor 2 radiate heat in a radiator 4 , decompress the refrigerant, and then let the refrigerant absorb heat in an outdoor heat exchanger 7 and the refrigerant-heat medium heat exchanger, and a second heating/battery cooling mode to let the refrigerant discharged from the compressor radiate heat in the radiator and the outdoor heat exchanger, decompress the refrigerant, and then let the refrigerant absorb heat in the refrigerant-heat medium heat exchanger.

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Номер записи: 39
10-03-2022 дата публикации

Heat Pump Dryer

Номер: US20220074663A1
Автор: Yong Zhang
Принадлежит: Individual

A heat pump dryer includes a main casing, a compressor, a first heat exchanger having a first portion and a second portion, and a second heat exchanger. The main casing has an air inlet, a first outlet conduit, a second outlet conduit, a first air outlet, and a second air outlet. Air is arranged to enter the main casing through the air inlet, and is arranged to be bifurcated to pass through the first outlet conduit and the second outlet conduit. The air in the first outlet conduit is arranged to sequentially flow through the second heat exchanger and the first portion of the first heat exchanger, whereas the air in the second outlet conduit is arranged to flow through the second portion of the second heat exchanger.

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Номер записи: 40
21-02-2019 дата публикации

Superheat Control Scheme

Номер: US20190056151A1
Автор: Najafifard Fardis
Принадлежит:

A system includes a high side heat exchanger, a flash tank, a first load, a second load, a first compressor, and a heat exchanger. The flash tank is configured to store the refrigerant from the high side heat exchanger. The first load is configured to use the refrigerant from the flash tank to remove heat from a first space proximate to the first load. The second load is configured to use the refrigerant from the flash tank to remove heat from a second space proximate to the second load. The first compressor is configured to compress the refrigerant from the first load. The heat exchanger is configured to transfer heat from the refrigerant from the first compressor and the second load to the refrigerant from the high side heat exchanger, and direct the refrigerant from the first compressor and the second load to a second compressor. 1. A system comprising:a high side heat exchanger configured to remove heat from a refrigerant;a flash tank configured to store the refrigerant from the high side heat exchanger;a first load configured to use the refrigerant from the flash tank to remove heat from a first space proximate to the first load;a second load configured to use the refrigerant from the flash tank to remove heat from a second space proximate to the second load;a first compressor configured to compress the refrigerant from the first load; and transfer heat from the refrigerant from the first compressor and the second load to the refrigerant from the high side heat exchanger; and', 'direct the refrigerant from the first compressor and the second load to a second compressor., 'a heat exchanger configured to2. The system of claim 1 , further comprising a bypass valve configured to:prevent the flow of the refrigerant from the high side heat exchanger to the heat exchanger; anddirect the refrigerant from the high side heat exchanger to the flash tank.3. The system of claim 1 , further comprising a flash gas valve configured to direct a flash gas from the flash tank to ...

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Номер записи: 41
03-03-2016 дата публикации

APPARATUS AND METHOD FOR HYBRID WATER HEATING AND AIR COOLING AND CONTROL THEREOF

Номер: US20160061502A1
Автор: Foster Randy W., Long Robert L., Lowrimore Walter R., Winters Scott D.
Принадлежит:

A system for conditioning air circulated from an interior of a building includes a refrigerant path, an air-cooled condenser in the refrigerant path, a water-cooled condenser in the refrigerant path that transfers heat from refrigerant in the refrigerant path to the building water, an evaporator in the refrigerant path, and a control system. The control system moves the system between operation of the air-cooled condenser and the water-cooled condenser based upon predetermined system conditions. 1. A system for conditioning air and for heating water , comprising:a first refrigerant path;a second refrigerant path that is independent of the first refrigerant path;a first condenser in the first refrigerant path and the second refrigerant path and disposed in an air flow so that the first condenser transfers heat to air in the air flow path from refrigerant in the first refrigerant path that moves through the first condenser and transfers heat to the air from refrigerant in the second refrigerant path that moves through the first condenser;a second condenser in the first refrigerant path and that defines a water flow path so that the second condenser transfers heat to water in the water flow path from the refrigerant in the first refrigerant path that moves through the second condenser; anda control system in operative communication with the first refrigerant path and configured to direct the refrigerant in the first refrigerant path, in a first state of the first refrigerant path, to the first condenser and not to the second condenser and, in a second state of the first refrigerant path, to the second condenser,wherein the control system is configured to determine a condition under which the system activates the first refrigerant path and deactivates the second refrigerant path and to move the first refrigerant path from the second state to the first state responsively to the condition.2. The system as in claim 1 , wherein the condition is a level of a pressure in the ...

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Номер записи: 42
03-03-2016 дата публикации

Apparatus and method for hybrid water heating and air cooling and control thereof

Номер: US20160061508A1
Автор: Randy W. Foster, Robert L. Long, Scott D. Winters, Walter R. Lowrimore
Принадлежит: Rheem Manufacturing Co

A system for conditioning air circulated from an interior of a building includes a refrigerant path, an air-cooled condenser in the refrigerant path, a water-cooled condenser in the refrigerant path that transfers heat from refrigerant in the refrigerant path to the building water, an evaporator in the refrigerant path, and a control system. The control system moves the system between operation of the air-cooled condenser and the water-cooled condenser based upon predetermined system conditions.

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Номер записи: 43
04-03-2021 дата публикации

REFRIGERATION CYCLE APPARATUS

Номер: US20210063033A1
Автор: TANAKA Chitose
Принадлежит:

A refrigeration cycle apparatus includes: an outdoor unit; a branch unit connected to the outdoor unit via a first pipe and a second pipe; a first indoor unit connected to the branch unit via a third pipe and a fourth pipe; and a second indoor unit connected to the branch unit via a fifth pipe and a sixth pipe. A refrigerant circuit includes a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, and a six-way valve. The six-way valve switches between a first state in which the first heat exchanger acts as a condenser and at least the second heat exchanger acts as an evaporator and a second state in which the first heat exchanger acts as an evaporator and at least the second heat exchanger acts as a condenser. 1. A refrigeration cycle apparatus having a refrigerant circuit in which refrigerant circulates , the refrigeration cycle apparatus comprising:an outdoor unit;a branch unit connected to the outdoor unit via a first pipe and a second pipe;a first indoor unit connected to the branch unit via a third pipe and a fourth pipe; anda second indoor unit connected to the branch unit via a fifth pipe and a sixth pipe,the refrigerant circuit including a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger, and a six-way valve,the compressor, the first heat exchanger and the six-way valve being located in the outdoor unit,the second heat exchanger being disposed in the branch unit or the first indoor unit,the third heat exchanger being disposed in the branch unit or the second indoor unit,the first heat exchanger having a first flow port and a second flow port through which the refrigerant flows in and out in the refrigerant circuit,the six-way valve switching between a first state in which the first heat exchanger acts as a condenser and at least the second heat exchanger acts as an evaporator and a second state in which the first heat exchanger acts as an evaporator and at least the second heat exchanger acts ...

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Номер записи: 44
04-03-2021 дата публикации

HEAT EXCHANGER

Номер: US20210063067A1
Автор: ITO Tetsuya, Kato Daiki, KAWAKUBO Masaaki, MIEDA Hiroshi, SUGIMURA Ryohei
Принадлежит:

A heat exchanger includes a heat exchanging portion, a reservoir that performs gas-liquid separation on a gas-liquid two-phase refrigerant that flows out from the heat exchanging portion into a gas-phase refrigerant and a liquid-phase refrigerant and stores the liquid-phase refrigerant, and an inflow passage that allows the gas-liquid two-phase refrigerant flowing out from the heat exchanging portion to flow into the reservoir. The inflow passage is connected so as to be in communication with an inlet port of the reservoir which is disposed above a liquid surface of the liquid-phase refrigerant stored in the reservoir. 1. A heat exchanger for a refrigeration cycle , comprising:a heat exchanging portion that exchanges heat between a refrigerant passing through therein and air;a reservoir that performs gas-liquid separation on a gas-liquid two-phase refrigerant that flows out from the heat exchanging portion into a gas-phase refrigerant and a liquid-phase refrigerant, the reservoir storing the liquid-phase refrigerant;a single inflow passage that allows the gas-liquid two-phase refrigerant flowing out from the heat exchanging portion to flow into the reservoir;a gas-phase outflow passage that allows the gas-phase refrigerant to flow out from the reservoir; anda liquid-phase outflow passage that allows the liquid-phase refrigerant to flow out from the reservoir; whereinthe reservoir is configured to function as a receiver during a cooling operation of the refrigeration cycle and to function as an accumulator during a heating operation of the refrigeration cycle,the inflow passage is connected so as to be in communication with a single inlet port of the reservoir disposed above a liquid surface of the liquid-phase refrigerant stored in the reservoir,the gas-phase outflow passage is connected so as to be in communication with a gas-phase outlet port of the reservoir disposed above the liquid surface of the liquid-phase refrigerant stored in the reservoir, the gas-phase ...

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Номер записи: 45
17-03-2022 дата публикации

COMPRESSOR AND REFRIGERATION DEVICE

Номер: US20220082309A1
Автор: Gu Qiang, JIANG Bo, LIN Shumin, Zhou Xingbiao, Zhu Xiaohan
Принадлежит: ANHUI MEIZHI PRECISION MANUFACTURING CO., LTD.

A compressor and a refrigeration device are provided. The compressor has a housing, a first cylinder, a first piston, a second cylinder and a second piston. The housing has a first air outlet port and a second air outlet port. The first cylinder has an accommodating cavity, and the first piston is eccentrically disposed in the first accommodating cavity. The second cylinder has a second accommodating cavity, and the second piston is eccentrically disposed in the second accommodating cavity. 1. A compressor comprising:a housing, wherein a first air outlet port and a second air outlet port not in communication with each other are disposed in the housing;a first cylinder and a first piston, wherein the first cylinder is provided with a first accommodating cavity, and the first piston is eccentrically disposed in the first accommodating cavity; anda second cylinder and a second piston, wherein the second cylinder is provided with a second accommodating cavity, and the second piston is eccentrically disposed in the second accommodating cavity.2. The compressor according to claim 1 , wherein:the inner diameter of the first cylinder is D1, an eccentric distance of the first piston relative to the first accommodating cavity is e1, the height of the first cylinder is H1, and an exhaust pressure of the first cylinder is P1, and the first cylinder exhausts gas through the first air outlet port; andthe inner diameter of the second cylinder is D2, an eccentric distance of the second piston relative to the second accommodation cavity is e2, the height of the second cylinder is H2, and an exhaust pressure of the second cylinder is P2, and the second cylinder exhausts gas through the second air outlet port;wherein P1 Подробнее

Номер записи: 46
27-02-2020 дата публикации

CHILLING UNIT AND TEMPERATURE CONTROL SYSTEM USING WATER CIRCULATION

Номер: US20200064031A1
Автор: AKIZUKI Takahiro, ITO Takuya, KADOWAKI Kimitaka, OKOSHI Yasushi, YAMANO Yoshio
Принадлежит:

A chilling unit and a temperature control system using water circulation includes a refrigerant circuit, a pipe through which a heat medium flows, a flow switching device, a temperature sensor, a pressure sensor, and a controller. The refrigerant circuit includes a compressor, a pair of air-side heat exchangers, an expansion valve, and a heat-medium-side heat exchanger that are connected to each other by pipes, thereby enabling refrigerant to circulate in the refrigerant circuit. The flow switching device switches between refrigerant-circulation routes. The controller controls the compressor in accordance with a target outlet temperature, the temperature of the heat medium detected by the temperature sensor, and a pressure difference in the heat medium detected by the pressure sensor. When a load on a loading device decreases to a low level and the load is equal to or less than the lowest capacity of the compressor, the controller performs control to avoid starts and stops while keeping the compressor operating at the lowest capacity and controls the flow switching device so that one of the pair of air-side heat exchangers and the heat-medium-side heat exchanger are connected in parallel. 14-. (canceled)5. A chilling unit comprising:two refrigerant circuits each including a compressor, a flow switching device, an air-side heat exchanger, an expansion valve, and a heat-medium-side heat exchanger that are connected to each other by pipes, thereby enabling refrigerant to circulate in the respective refrigerant circuit;a pipe that is connected to a loading device and through which a heat medium flows, the heat medium being used in heat exchange with the refrigerant performed in each of the heat-medium-side heat exchangers in the two refrigerant circuits;a plurality of temperature sensors, each of which detects a temperature of the heat medium near each of an inlet and an outlet of the respective heat-medium-side heat exchanger in the two refrigerant circuits;a plurality ...

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Номер записи: 47
09-03-2017 дата публикации

SYSTEM AND A METHOD FOR AIR CONDITIONING AND HEAT EXCHANGER ARRANGEMENT

Номер: US20170067672A1
Автор: VAKILOROAYA Vahid
Принадлежит:

The present invention relates to an air-conditioning system, and a heat exchanger arrangement for fitting to an air-conditioning system, the heat exchanger arrangement using water condensed on the evaporator as a coolant to cool the refrigerant after it has been compressed by the compressor, and before it is directed to the condenser. 1. An air conditioning system adapted for augmented heat exchange using an augmenting heat exchange fluid.2. A system as claimed in claim 1 , wherein the system further comprises a refrigerant.3. A system as claimed in claim 2 , wherein the system is adapted for augmented heat exchange between the augmenting heat exchange fluid and the refrigerant.4. A system as claimed in claim 1 , wherein the augmenting heat exchange fluid is stored in a reservoir.5. A system as claimed in claim 4 , wherein the system further comprises a compressor operably adjacent to the reservoir.6. A system as claimed in claim 1 , wherein the system further comprises a condenser operably adjacent to the reservoir.7. A system as claimed in claim 6 , wherein the condenser is adapted to receive the refrigerant from the reservoir.8. A system as claimed in claim 1 , wherein the system is adapted to distribute air flow to augment heat exchange.9. A system as claimed in claim 8 , wherein the system further comprises a fan operably adjacent to the condenser.10. A system as claimed in claim 5 , wherein the reservoir comprises a heat exchanger configured for receiving the refrigerant from the compressor.11. A system as claimed in claim 10 , wherein the heat exchanger is adapted for augmented heat exchange between the heat exchange fluid and the refrigerant.12. A system as claimed in claim 5 , wherein the reservoir is further adapted for augmented heat exchange between air flow and the augmenting heat exchange fluid using an augmenting heat exchange conductor.13. A system as claimed in claim 12 , wherein the augmenting heat exchange conductor comprises at least one tube.14. ...

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Номер записи: 48
09-03-2017 дата публикации

METHOD AND DEVICE FOR HEAT RECOVERY ON A VAPOUR REFRIGERATION SYSTEM

Номер: US20170067677A1
Автор: DECAESTECKER Laurent
Принадлежит: ECOLACTIS

A method and a device for heat recovery on a vapour compression refrigeration system allowing the produce hot water, includes at least a first piping closed refrigerating circuit in which a refrigerant fluid circulates, a compressor, an evaporator, an expansion valve, a condenser and/or a heat recovery unit including a water inlet and a water outlet respectively connected to a second piping circuit including a circulating pump. At least one physical unit of the refrigerant fluid and/or water of the second piping circuit is determined. When the physical unit is lower than a predetermined threshold, condensing temperature is increased, and when said physical unit is greater than said predetermined threshold, condensing temperature is decreased to a minimum value. 116.-. (canceled)17. A method for heat recovery on a vapour compression refrigeration system allowing to produce hot water , said refrigeration system including at least a first piping closed refrigerating circuit in which a refrigerant fluid circulates , a compressor , an evaporator , an expansion valve , a condenser and a heat recovery unit including a water inlet and a water outlet respectively connected to a second piping circuit including a circulating pump and a preheated water tank , said method comprising at least the steps of entering the refrigerant fluid in a vapour saturated state into the compressor , compressing the refrigerant fluid to a higher pressure resulting in a higher temperature , in such a way that the refrigerant fluid is in a superheated vapour state , cooling and condensing the refrigerant fluid in superheated vapour state into a saturated liquid by passing the fluid in superheated vapour state through the condenser and/or heat recovery unit , passing the saturated liquid through the expansion valve to reduce abruptly pressure providing a flash evaporation that lowers temperature of the refrigerant's fluid , passing the refrigerant fluid through the evaporator to extract heat from a ...

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Номер записи: 49
09-03-2017 дата публикации

AIR CONDITIONER

Номер: US20170067697A1
Автор: KAMIAKA Takumi, MUROFUSHI Masayoshi, URATA Kazumoto, Xue Jun
Принадлежит:

Task: To provide a high quality air conditioner with high efficiency and stability, preventing adverse effect of manufacturing variation on the refrigerant distribution. 1. An air conditioner including an expansion valve for decompressing a refrigerant and a heat exchanger for heat exchange between the refrigerant and air , the air conditioner comprising:a first linearly shaped piping that is connected to the expansion valve and vertically disposed;a branch pipe connected to the first piping for branching a refrigerant flow path into a plurality of sections;a plurality of second pipings connected to the branch pipe; anda plurality of distributors connected to the second piping for further branching the refrigerant flow path to the heat exchanger.2. The air conditioner according to claim 1 , wherein each section of the refrigerant flow paths branched by the branch pipe is at the same angle as that of the refrigerant flow path before division.3. The air conditioner according to claim 1 , wherein the branch pipe has a T-like shape claim 1 , and the second piping has an L-like shape.4. The air conditioner according to claim 1 , wherein the branch pipe has a function for adjusting a flow resistance of the branched refrigerant flow path.5. The air conditioner according to claim 1 , wherein each of the plurality of second pipings has a different flow resistance in the refrigerant flow path from the branch pipe to the distributor.6. The air conditioner according to claim 1 , wherein a strainer is disposed between the expansion valve and the first piping.7. The air conditioner according to claim 1 , wherein the refrigerant flow path in the distributor is vertically positioned.8. The air conditioner according to claim 1 , wherein the distributor is disposed in a downward direction.9. The air conditioner according to claim 1 , wherein the plurality of heat exchangers are provided. The present application claims priority from Japanese Patent application serial No. 2015-176452, ...

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Номер записи: 50
05-06-2014 дата публикации

Thermal Energy System and Method of Operation

Номер: US20140150475A1
Автор: Davis Gregory, Ogilvie Graeme, Stickney Kevin, Zaynulin Dmitriy
Принадлежит: GREENFIELD MASTER IPCO LIMITED

A thermal energy system comprising a first thermal system in use having a cooling demand, and a heat sink connection system coupled to the first thermal system, the heat sink connection system being adapted to provide selective connection to a plurality of heat sinks for cooling the first thermal system, the heat sink connection system comprising a first heat exchanger system adapted to be coupled to a first remote heat sink containing a working fluid and a second heat exchanger system adapted to be coupled to ambient air as a second heat sink, a fluid loop interconnecting the first thermal system, the first heat exchanger system and the second heat exchanger system, at least one mechanism for selectively altering the order of the first heat exchanger system and the second heat exchanger system in relation to a fluid flow direction around the fluid loop, and a controller for actuating the at least one mechanism. An alternative embodiment has a heating demand and uses heat sources. 1. A thermal energy system comprising a first thermal system in use having a cooling demand , and a heat sink connection system coupled to the first thermal system , the heat sink connection system being adapted to provide selective connection to a plurality of heat sinks for cooling the first thermal system , the heat sink connection system comprising a first heat exchanger system adapted to be coupled to a first remote heat sink containing a working fluid and a second heat exchanger system adapted to be coupled to ambient air as a second heat sink , a fluid loop interconnecting the first thermal system , the first heat exchanger system and the second heat exchanger system , at least one mechanism for selectively altering the order of the first heat exchanger system and the second heat exchanger system in relation to a fluid flow direction around the fluid loop , and a controller for actuating the at least one mechanism.2. A thermal energy system according to wherein the first heat ...

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Номер записи: 51
17-03-2016 дата публикации

REFRIGERATION SYSTEM

Номер: US20160076793A1
Автор: KOMATSU Shunsuke, KOMEDA Masao, KUDO Mizuo, MACHIDA Akito, NAKAMURA Naoko, UEDA Shota
Принадлежит: MAYEKAWA MFG. CO., LTD.

To provide a refrigeration system capable of being installed efficiently in a limited space while ensuring a good reliability, the refrigeration system according to the present invention comprises a refrigeration cycle having: a circulation path () in which a refrigerant flows; and at least one compressor () for compressing the refrigerant, a heat exchanger () for cooling the refrigerant compressed by the compressor, at least one expansion turbine () for expanding the refrigerant cooled by the heat exchanger to generate cold heat, and a cooling part () for cooling an object to be cooled by the cold heat, which are provided on the circulation path in order, wherein at least either the at least one compressor or the at least one expansion turbine comprises a plurality of compressors or expansion turbines which are arranged in parallel with one another with respect to the circulation path. 1. A refrigeration system comprising a refrigeration cycle having: a circulation path in which a refrigerant flows; and at least one compressor for compressing the refrigerant , a heat exchanger for cooling the refrigerant compressed by the compressor , at least one expansion turbine for expanding the refrigerant cooled by the heat exchanger to generate cold heat , and a cooling part for cooling an object to be cooled by the cold heat , which are provided on the circulation path in order ,wherein at least either the at least one compressor or the at least one expansion turbine comprises a plurality of compressors or expansion turbines which are arranged in parallel with one another with respect to the circulation path.2. The refrigeration system according to claim 1 , wherein each of the plurality of compressors or each of the plurality of expansion turbines arranged in parallel with one another in the circulation path is configured to be disconnectable from the circulation path via a switching valve.3. The refrigeration system according to claim 1 ,wherein the at least one expansion ...

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Номер записи: 52
24-03-2022 дата публикации

METHOD AND APPARATUS FOR ISOTHERMAL COOLING

Номер: US20220090828A1
Автор: Jansen Eugene Charles
Принадлежит:

A cooling apparatus includes: a first fluid flowpath including the following elements, in downstream flow sequence: a subcooler having a first side in fluid communication with the first fluid flowpath and a second side configured to be disposed in thermal communication with a source of cooling fluid; a flow control valve; a primary evaporator assembly including at least one primary evaporator configured to be disposed in thermal communication with a primary heat load; and a pressure regulator operable to maintain a refrigerant saturation pressure within the primary evaporator at a predetermined set point. 1. A cooling apparatus comprising:a first fluid flowpath including the following elements, in downstream flow sequence:a subcooler having a first side in fluid communication with the first fluid flowpath and a second side configured to be disposed in thermal communication with a source of cooling fluid;a flow control valve;a primary evaporator assembly including at least one primary evaporator configured to be disposed in thermal communication with a primary heat load;a pressure regulator operable to maintain a refrigerant saturation pressure within the primary evaporator at a predetermined set point; anda second fluid flowpath coupled to the source of cooling fluid and configured pass the cooling fluid through the second side of the subcooler.2. The cooling apparatus of claim 1 , further comprising a separator vessel positioned upstream of the subcooler.3. The cooling apparatus of claim 2 , wherein the separator vessel comprises a storage tank of a flash gas bypass apparatus.4. The cooling apparatus of claim 1 , wherein the second fluid flowpath is configured to extract refrigerant from the first flowpath claim 1 , pass the refrigerant through a flow restrictor and the second side of the subcooler claim 1 , and return the refrigerant to the first fluid flowpath.5. The cooling apparatus of claim 1 , where the primary evaporator assembly includes two or more ...

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Номер записи: 53
18-03-2021 дата публикации

AIR CONDITIONER

Номер: US20210080140A1
Автор: CHOI Woojoo, LEE Jaewon, PARK Jinhyoung, Shin Youngjoo
Принадлежит:

An air conditioner includes an outdoor heat exchanger in which N heat exchange units are spaced apart from one another sequentially in a vertical direction N expansion valves respectively connected to the N heat exchange units; N hot gas pipes respectively connected to the N heat exchange units; N hot gas valves respectively installed in the N hot gas pipes; and a controller configured to control the N expansion valves and the N hot gas valves to defrost the N heat exchange units, wherein the controller is configured to defrost a bottom heat exchange unit first, then defrost a top heat exchange unit, and defrost the heat exchange units located under the top heat exchange unit sequentially from a second highest heat exchange unit to the bottom heat exchange unit after defrosting the top heat exchange unit. 1. An air conditioner comprising:an outdoor unit that includes a plurality of heat exchangers that are spaced apart from one another in a vertical direction, the plurality of heat exchangers including a top heat exchanger that is located a top position among the plurality of heat exchangers, a bottom heat exchanger that is located on a bottom position among the plurality of heat exchangers, and at least one other heat exchanger that is positioned vertically between the top heat exchanger and the bottom heat exchanger;a plurality of expansion valves connected to the plurality of heat exchangers;a plurality of hot gas pipes connected to the plurality of heat exchangers;a plurality of hot gas valves connected in the plurality of hot gas pipes; anda controller configured to operate the plurality of expansion valves and the plurality of hot gas valves to defrost the plurality of heat exchangers, defrost the bottom heat exchanger,', 'defrost the top heat exchanger after defrosting the bottom heat exchanger, and', 'defrost the at least one other heat exchanger sequentially in the vertical direction from the top heat exchanger to the bottom heat exchanger after defrosting ...

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Номер записи: 54
24-03-2016 дата публикации

Systems and Methods Implementing Robust Air Conditioning Systems Configured to Utilize Thermal Energy Storage to Maintain a Low Temperature for a Target Space

Номер: US20160084536A1
Автор: Diamond Anthony, Robbins Amrit
Принадлежит: Axiom Exergy Inc.

Systems and methods in accordance with embodiments of the invention implement air conditioning systems that are operable to establish/maintain a desired temperature for a target space and simultaneously establish/maintain a temperature lower than the desired temperature for the target space for an included cold thermal energy storage unit. In one embodiment, an air conditioning system includes: a condensing unit; a liquid pressurizer and distributor ensemble; a cold thermal energy storage unit; a target space; and a suction gas/equalizer; where the listed components are operatively connected by piping such that vapor compression cycles can be simultaneously implemented that result in the cooling of the cold thermal energy storage unit and the target space; and the air conditioning system is configured such that the simultaneous implementation of vapor compression cycles results in cooling the cold thermal energy storage unit to a greater extent relative to the target space. 1. An air conditioning system comprising:a condensing unit;a liquid pressurizer and distributor ensemble;a cold thermal energy storage unit;a target space; anda suction gas pressurizer and distributor ensemble; the condensing unit, the liquid pressurizer and distributor ensemble, the cold thermal energy storage unit, the target space, and the suction gas pressurizer and distributor ensemble are operatively connected by piping such that vapor compression cycles can be simultaneously implemented that result in the cooling of the cold thermal energy storage unit and the target space; and', 'the air conditioning system is configured such that when the vapor compression cycles are simultaneously implemented that result in the cooling of the cold thermal energy storage unit and the target space, the cold thermal energy storage unit cools to a greater extent than the target space., 'wherein2. The air conditioning system of claim 1 , wherein:the cold thermal energy storage unit comprises a first ...

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Номер записи: 55
24-03-2016 дата публикации

Systems and methods implementing robust air conditioning systems configured to utilize thermal energy storage to maintain a low temperature for a target space

Номер: US20160084552A1
Автор: Amrit Robbins, Anthony Diamond
Принадлежит: Axiom Exergy Inc

Systems and methods in accordance with embodiments of the invention implement air conditioning systems that are operable to establish/maintain a desired temperature for a target space and simultaneously establish/maintain a temperature lower than the desired temperature for the target space for an included cold thermal energy storage unit. In one embodiment, an air conditioning system includes: a condensing unit; a liquid pressurizer and distributor ensemble; a cold thermal energy storage unit; a target space; and a suction gas/equalizer; where the listed components are operatively connected by piping such that vapor compression cycles can be simultaneously implemented that result in the cooling of the cold thermal energy storage unit and the target space; and the air conditioning system is configured such that the simultaneous implementation of vapor compression cycles results in cooling the cold thermal energy storage unit to a greater extent relative to the target space.

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Номер записи: 56
23-03-2017 дата публикации

REFRIGERATION CYCLE DEVICE

Номер: US20170082333A1
Автор: Shimazu Yusuke
Принадлежит:

A refrigeration cycle apparatus operating with standard composition refrigerant that is a zeotropic refrigerant mixture containing at least first refrigerant and second refrigerant having a higher boiling point than the first refrigerant at the same pressure, the refrigeration cycle apparatus including a main circuit in which a compressor, a first heat exchanger, an expansion valve, and a second heat exchanger are sequentially connected, and a component separation circuit connected to the main circuit, the first refrigerant having a property of disproportionation, the component separation circuit being configured to separate and store, from the main circuit, mixed refrigerant containing the first refrigerant having a higher composition ratio than in the standard composition refrigerant in an operation of a separation-storage mode separating the components of the standard composition refrigerant. 1. A refrigeration cycle apparatus operating with standard composition refrigerant configured as a zeotropic refrigerant mixture containing at least first refrigerant and second refrigerant having a higher boiling point than the first refrigerant at a same pressure ,the refrigeration cycle apparatus comprising a main circuit in which a compressor, a first heat exchanger, an expansion valve, and a second heat exchanger are sequentially connected, anda component separation circuit connected to the main circuit,the first refrigerant having a property of disproportionation,the component separation circuit being configured to separate and store, from the main circuit, mixed refrigerant containing the first refrigerant having a higher composition ratio than in the standard composition refrigerant in an operation of a separation-storage mode separating components of the standard composition refrigerant,wherein the separation-storage mode is activated at least when the compressor has a high discharging temperature or a high discharging pressure.2. The refrigeration cycle apparatus ...

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Номер записи: 57
23-03-2017 дата публикации

BEVERAGE COOLING DISPLAY SYSTEMS AND METHODS

Номер: US20170082355A1
Автор: Madireddi Sesha, Schaefer Mark, Trout Chris
Принадлежит:

A beverage cooling display system includes a roller assembly that is configured to rotate one or more beverage containers, and a cooling assembly that is configured to cool the one or more beverage containers. A method of cooling and displaying beverages includes rotating one or more beverage containers with a roller assembly, and cooling the one or more beverage containers with a cooling assembly. 1. A beverage cooling display system comprising:a roller assembly that is configured to rotate one or more beverage containers; anda cooling assembly that is configured to cool the one or more beverage containers.2. The beverage cooling display system of claim 1 , wherein the roller assembly is configured to concurrently rotate the one or more beverage containers as the cooling assembly cools the one or more beverage containers.3. The beverage cooling display system of claim 1 , wherein the roller assembly comprises one or more rollers that are configured to cause the one or more beverage containers to rotate.4. The beverage cooling display system of claim 3 , wherein the one or more rollers are operated to rotate the one or more beverage containers at a rate up to two revolutions per minute.5. The beverage cooling display system of claim 4 , wherein the roller assembly further comprises a motor coupled to the one or more rollers.6. The beverage cooling display system of claim 5 , wherein the roller assembly further comprises a link that couples the motor to the one or more rollers.7. The beverage cooling display system of claim 7 , wherein the link comprises at least one chain that connects to one or more gears connected to the one or more rollers.8. The beverage cooling display system of claim 1 , wherein the cooling assembly comprises one or more cold plates claim 1 , wherein the one or more beverage containers are configured to be positioned above the one or more cold plates.9. The beverage cooling display system of claim 8 , wherein the one or more cold plates ...

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Номер записи: 58
31-03-2022 дата публикации

SYSTEM FOR SUPPORTING INTERMITTENT FAST TRANSIENT HEAT LOADS

Номер: US20220099340A1
Автор: Donovan Eric Sean, UNTON Timothy
Принадлежит: Rolls-Royce North American Technologies Inc.

A heat transfer system for controlling two or more heat loads, including a high transient heat load, is provided. The heat transfer system may include sensible-heat thermal energy storage. A method of transferring heat from two or more heat loads to an ambient environment is further provided. 1. A heat transfer system , comprising: a two-phase pump loop (“TPPL”), the TPPL configured to cool the primary heat load, the TPPL comprising a subcooler upstream of the primary heat load;', 'a vapor compression system (“VCS”) loop configured to transfer heat from the primary fluid in the VCS loop to an ambient environment via a first condenser and to a thermal energy storage (“TES”) medium via a first heat exchanger;', 'an accumulator configured to separate the primary fluid received from the TPPL and the VCS loop into a vapor-phase primary fluid and a liquid-phase primary fluid, the accumulator in fluid communication with the TPPL and the VCS loop; and', 'an evaporator branch comprising the primary fluid and an evaporator and in fluid communication with the TPPL downstream of the accumulator and with the VCS loop upstream of a compressor;, 'a primary fluid flow path configured to deliver a primary fluid disposed in the primary fluid flow path to a primary heat load at a substantially constant temperature, the primary fluid flow path comprisingwherein a thermal energy storage loop comprises the evaporator, a tank, a three-way valve, a TES medium pump, and the first heat exchanger, wherein the TES medium is disposed in the TES loop;wherein the TES loop is configured to, during operation of the heat transfer system, cool a secondary heat load and to transfer heat to the ambient environment via the VCS loop; andwherein the subcooler is configured to dissipate heat in the primary fluid in the TPPL.2. The heat transfer system of claim 1 , wherein the TPPL is thermally coupled to the TES loop by the subcooler; andwherein the TES loop is configured to, during operation of the heat ...

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Номер записи: 59
21-03-2019 дата публикации

HEAT EXCHANGE SYSTEM FOR VEHICLE

Номер: US20190084373A1
Автор: Kubonoya Hideki, TOKOZAKURA Daisuke, TOMINAGA Satoshi
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A heat exchange system for a vehicle including a battery, an electric motor, and a transmission system is provided. The heat exchange system includes a heat pump, and a heat exchanger. The heat pump is used for air conditioning. The heat pump includes an electric compressor that compresses a refrigerant. The electric compressor is configured to be driven with electric power from the battery. The heat exchanger is configured to exchange heat between the refrigerant and lubricating oil that lubricates the transmission system. 1. A heat exchange system for a vehicle including a battery , an electric motor as a propulsion power source , and a transmission system , the electric motor being configured to be driven with electric power supplied from the battery ,the heat exchange system comprising:a heat pump used for air conditioning, the heat pump including an electric compressor that compresses a refrigerant, the electric compressor being configured to be driven with electric power from the battery; anda heat exchanger configured to exchange heat between the refrigerant and lubricating oil that lubricates the transmission system.2. The heat exchange system according to claim 1 , wherein the vehicle further includes a power control unit configured to convert electric power from the battery into an alternating current and supply the alternating current to the electric motor claim 1 ,the heat exchange system further comprising a cooling circuit through which a coolant for cooling the power control unit circulates, whereinthe heat exchanger is configured to exchange heat among three types of fluids that are the coolant, the lubricating oil, and the refrigerant.3. The heat exchange system according to claim 2 , wherein:the heat pump further includes a first condenser, a second condenser, a heating expansion valve configured to operate during heating performed in a vehicle cabin, and a cooling expansion valve configured to operate during cooling performed in the vehicle cabin; ...

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Номер записи: 60
30-03-2017 дата публикации

Refrigeration device

Номер: US20170089614A1
Автор: Junichi Suda, Kazuhiro OMOTE, Kosuke MIYAGI, Masataka HAYAKAWA, Yusuke Hiji
Принадлежит: Sanden Holdings Corp

There is disclosed a refrigeration device in which a cooling capability and efficiency can be improved by controlling a high pressure side pressure of a low stage side refrigerant circuit into an optimum value. A refrigeration device 1 includes a high stage side refrigerant circuit 4 , first and second low stage side refrigerant circuits 6 A and 6 B, and cascade heat exchangers 43 A and 43 B to evaporate a refrigerant of the high stage side refrigerant circuit 4 , thereby cooling high pressure side refrigerants of the low stage side refrigerant circuits 6 A and 6 B, and carbon dioxide is charged as the refrigerant in each of the refrigerant circuits 4, 6 A and 6 B, and in the device, there are disposed pressure adjusting expansion valves 31 to adjust high pressure side pressures of the low stage side refrigerant circuits 6 A and 6 B.

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Номер записи: 61
05-05-2022 дата публикации

REFRIGERATION CYCLE APPARATUS

Номер: US20220136740A1
Автор: Higashiiue Shinya, Ishibashi Akira, Maeda Tsuyoshi, MATSUI Shigeyoshi, Morita Atsushi, NAGATA Ryuichi, Nakamura Shin, Takahashi Atsushi, YATSUYANAGI Akira
Принадлежит:

An object is to provide a refrigeration cycle apparatus capable of reducing freezing in a lower part of a heat exchanger in which drainage water tends to accumulate and reducing an amount of refrigerant in a refrigerant circuit. The refrigeration cycle apparatus includes the refrigerant circuit connecting, by refrigerant pipes, a compressor, a first expansion device, and a first heat exchanger configured to serve as evaporator during heating operation. The first heat exchanger is provided with a first heat exchange unit and a second heat exchange unit connected to the first heat exchange unit in series in the refrigerant circuit. The first expansion device is connected in parallel with the second heat exchange unit in the refrigerant circuit, and the second heat exchange unit is placed at a position lower than a position of the first heat exchange unit.

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Номер записи: 62
19-03-2020 дата публикации

Centralized energy module for vehicle

Номер: US20200086711A1
Автор: Jae Yeon Kim, Wan Je Cho, Yeon Ho Kim
Принадлежит: Hyundai Motor Co, Kia Motors Corp

A centralized energy module for a vehicle includes a base plate, a compressor mounted on the base plate, a first condenser mounted on the base plate at a location spaced part from the compressor and configured for condensing the refrigerant through heat-exchange with a first coolant supplied from a high temperature radiator while firstly passing the refrigerant supplied from the compressor, a second condenser connected with the first condenser and configured for condensing the refrigerant through heat-exchange with a second coolant supplied from a low temperature radiator while secondly passing the refrigerant supplied from the compressor, an expansion valve connected with the second condenser, and an evaporator mounted on the base plate, evaporating the refrigerant supplied from the expansion valve through heat-exchange with a third coolant which flows into the evaporator and supplying the evaporated refrigerant to the compressor.

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Номер записи: 63
19-03-2020 дата публикации

AIR CONDITIONER

Номер: US20200088431A1
Автор: NAKAGAWA Yuusuke, OKA Yuusuke, Yamada Takuro
Принадлежит: DAIKIN INDUSTRIES, LTD.

When refrigerant leakage occurs, a controller in an air conditioner performs first shutoff control to open a liquid relay shutoff valve and close an indoor expansion valve and a gas relay shutoff valve on the basis of information from a refrigerant leakage detector. 1. An air conditioner comprising:an outdoor unit including a compressor;an indoor unit, including an indoor expansion valve and an indoor heat exchanger;a liquid-refrigerant connection pipe and a gas-refrigerant connection pipe that connect the outdoor unit and the indoor unit to each other;a relay unit disposed in the liquid-refrigerant connection pipe and the gas-refrigerant connection pipe, the relay unit including a liquid relay shutoff valve in a liquid connection pipe connected to the liquid-refrigerant connection pipe and a gas relay shutoff valve in a gas connection pipe connected to the gas-refrigerant connection pipe;a refrigerant leakage detector for detecting leakage of the refrigerant; anda controller that controls components of the outdoor unit, the indoor unit, and the relay unit, whereinwhen leakage of the refrigerant occurs, the controller stops the compressor and performs first shutoff control to open the liquid relay shutoff valve and close the indoor expansion valve and the gas relay shutoff valve on the basis of information from the refrigerant leakage detector.2. The air conditioner according to claim 1 , whereinwhen leakage of the refrigerant occurs, the controller stops the compressor after performing the first shutoff control.3. The air conditioner according to claim 1 , whereinwhen leakage of the refrigerant occurs, the controller stops the compressor before performing the first shutoff control.4. The air conditioner according to claim 1 , whereinwhen it is determined that the leakage of the refrigerant continues even after the first shutoff control is performed, the controller performs second shutoff control to close the liquid relay shutoff valve with the indoor expansion ...

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Номер записи: 64
12-05-2022 дата публикации

Air conditioning reheat systems and methods thereto

Номер: US20220146164A1
Автор: Karl Tallakson, Robert L. Long, Sivakumar Gopalnarayanan
Принадлежит: Rheem Manufacturing Co

The disclosed technology includes systems and methods for controlling an air conditioning system. The method of controlling the air conditioning system can include receiving air temperature data from an air temperature sensor and determining that the air conditioning system should operate in a reheat mode based on the air temperature being less than a threshold air temperature. The method can include outputting a control signal to a first electronic expansion valve to close and thereby prevent refrigerant to flow through an outdoor condenser coil. The method can also include outputting a control signal to a second electronic expansion valve to open and thereby permit refrigerant to flow through a reheat coil.

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Номер записи: 65
06-04-2017 дата публикации

INTEGRATED ENVIRONMENTAL CONTROL SYSTEMS AND METHODS FOR CONTROLLING ENVIRONMENTAL TEMPERATURE OF AN ENCLOSED SPACE

Номер: US20170096228A1
Автор: FERNANDES Júlio Romero Santos, GANDOLFI Ricardo, NETO Luiz Tobaldini, SANTOS Nicolau Braga
Принадлежит:

Environmental control systems and methods to control environmental temperature of an enclosed space by integrating a passive heat exchange subsystem (e.g., a loop heat pipe (LHP) heat exchange subsystem) having a closed loop heat exchange fluid circuit in heat-exchange relationship with the enclosed space for providing environmental temperature control therewithin, a RAM-air subsystem having a RAM-air circuit for circulating RAM cooling air, and a vapor compression cycle machine (VCM) subsystem having a VCM fluid circuit having a compressor, an evaporator, a condenser and an expansion valve. 1. An environmental control system for controlling environmental temperature of an enclosed space comprising:a passive phase change heat exchange subsystem having a closed loop heat pipe (LHP) circuit for circulating a heat exchange fluid and a LHP evaporator for receiving the heat exchange fluid in heat-exchange relationship with the enclosed space for providing environmental temperature control therewithin;a RAM-air subsystem which includes an air duct defined by duct walls having an inlet comprised of a NACA duct RAM-air intake and an outlet to allow ambient air to flow into and out of the air duct and to thereby define an air circuit for circulation of cooling air between the inlet and outlet, and a RAM-air skin heat exchanger (SHX) which is operatively affixed to the air duct and comprises a plurality of fins oriented so as to face an internal side of a duct wall of the air duct; anda vapor closed loop compression cycle machine (VCM) subsystem having a VCM fluid circuit comprising a VCM compressor, a VCM evaporator, a primary VCM condenser in heat exchange relationship with the air circuit of the RAM-air subsystem, a secondary VCM condenser SHX in the VCM fluid circuit positioned between the primary VCM condenser and the VCM evaporator, a VCM bypass line to bypass the secondary VCM condenser SHX, and a VCM control valve to selectively establish fluid communication between ...

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Номер записи: 66
19-04-2018 дата публикации

Vehicle air conditioner

Номер: US20180105016A1
Автор: Hiroshi Hamamoto, Katsuyoshi Wakano, Kohei Fukawatase, Kou Komori, Subaru Matsumoto, Yoshihiko Otake
Принадлежит: Japan Climate Systems Corp, Panasonic Corp

A heat pump device includes an air conditioning control device configured to switch the heat pump device among a plurality of operation modes including an air-heating operation mode in which an indoor heat exchanger serves as a radiator and an outdoor heat exchanger serves as a heat absorber, and an air-cooling operation mode in which the indoor heat exchanger serves as a heat absorber and the outdoor heat exchanger serves as a radiator. The air conditioning control device switch a refrigerant pipe such that refrigerant is, in the air-cooling operation mode, supplied to part of the outdoor heat exchanger serving as a refrigerant inlet in the air-heating operation mode.

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Номер записи: 67
19-04-2018 дата публикации

REFRIGERATING APPARATUS

Номер: US20180106514A1
Автор: Ikeda Takashi, Ishikawa Tomotaka, Nomoto So, Sugimoto Takeshi
Принадлежит:

A refrigerating apparatus includes a high-temperature side circuit and a low-temperature side circuit connected to each other via a cascade condenser, a low-temperature side second flow control valve that turns a refrigerant, passing through a liquid pipe connecting between a cooling unit and other circuit parts in a low-temperature side circuit b, into a gas-liquid two-phase refrigerant, and an expansion tank connected to the suction side of a low-temperature circuit compressor via a tank electromagnetic valve. 1. A refrigerating apparatus comprising:{'sub': '2', 'a circuit including a heat source circuit including a two-stage compressor having a lower-side compressor and a higher-side compressor, a gas cooler, and an intermediate cooler, and a cooling unit including a first flow control valve and an evaporator connected in series to each other, the circuit being configured by connecting the two-stage compressor and the cooling unit via a liquid pipe for supplying a refrigerant from the heat source circuit to the cooling unit and a gas pipe for supplying the refrigerant from the cooling unit to the heat source circuit, the circuit being configured for a COrefrigerant to circulate therein;'}a branched pipe branched from a position between the gas cooler and the intermediate cooler so as to allow the refrigerant to flow into the intermediate cooler;a flow control valve for intermediate cooling provided in the branched pipe;a connection circuit connecting a discharge side of the lower-side compressor and a suction side of the higher-side compressor to the intermediate cooler;a second flow control valve that depressurizes the refrigerant flowing out of the intermediate cooler in the circuit and supply the refrigerant to the liquid pipe in a gas-liquid two-phase state; andan expansion tank connected to a suction side of the lower-side compressor in the circuit via a tank electromagnetic valve and configured to suppress an increase in pressure in the circuit during a non ...

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Номер записи: 68
20-04-2017 дата публикации

Air conditioner

Номер: US20170108250A1
Автор: Chiwoo Song, Jaehwa Jung, Kakjoong Kim, Pilhyun Yoon
Принадлежит: LG ELECTRONICS INC

An air conditioner is provided that may include at least one compressor that compresses a refrigerant to a high pressure; a plurality of heat exchanger that condenses the refrigerant compressed in the at least one compressor; a plurality of outdoor valves, respectively, provided at an outlet side pipe of the plurality of heat exchangers; a gas liquid separator that separates the refrigerant into gas and liquid refrigerants and supplies the gas refrigerant to the at least one compressor; and one or more bypass devices connected to the outlet side pipe of one or more of the plurality of heat exchangers and an inlet side pipe of the gas liquid separator, the one or more bypass devices controlling a flow of the liquid refrigerant. During a cooling low load operation in which a portion of the plurality of heat exchangers is operating, a liquid refrigerant loaded into a heat exchanger of the plurality of heat exchangers, which is not operated, may flow through the one or more bypass device.

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Номер записи: 69
29-04-2021 дата публикации

REFRIGERATION SYSTEMS AND METHODS

Номер: US20210123637A1
Автор: PETERSEN Michael, POTTKER Gustavo, SETHI Ankit, VOGL RONALD PETER, Yana Motta Samuel F.
Принадлежит: HONEYWELL INTERNATIONAL INC.

Disclosed are cascaded refrigeration systems, comprising: a plurality of refrigeration units, each refrigeration unit containing a first refrigeration circuit, each first refrigeration circuit comprising an evaporator and a heat exchanger; and a second refrigeration circuit; wherein each first circuit heat exchanger is arranged to transfer heat energy between its respective first refrigeration circuit and the second refrigeration circuit. 1. A cascaded refrigeration system comprising:(a) a plurality of low temperature refrigeration circuits, with each low temperature refrigeration circuit comprising:(i) a flammable low temperature refrigerant consisting essentially of HFO-1234yf, R-455A, propane and combinations of two or more of these and having a GWP of about 150 or less;(ii) a compressor having a horse power rating of about 2 horse power or less; and(iii) a heat exchanger in which said flammable low temperature refrigerant condenses at a temperature of from about −5° C. to about −15° C. to produce a liquid refrigerant; and(iv) a suction line heat exchanger connected upstream of said compressor for cooling said liquid refrigerant from same condenser by adding heat to the gas entering the compressor; and(b) a medium temperature refrigeration circuit comprising a non-flammable medium temperature refrigerant selected from the group consisting of (i) R515A; (ii) R515B; (iii) a mixture comprising on a weight basis about 70% R1234y and about 30% CF3I (FH); (iv) a mixture comprising on a weight basis about 78% R1234ze, about 2% R1233zd and about 20% CF3I (A1); and (v) a mixture comprising on a weight basis about 84% R1234ze, about 2% R1233zd and about 9.6% CF3I (A2), wherein said refrigerant evaporates at a temperature below said low temperature refrigerant condensing temperature and in the range of about −5° C. to about −15° C., wherein said medium temperature refrigerant evaporates in said heat exchanger by absorbing heat from said flammable refrigerant in said low ...

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Номер записи: 70
29-04-2021 дата публикации

FREE COOLING SYSTEM

Номер: US20210123650A1
Автор: HIKONE Takahito, ITO Takuya, KADOWAKI Kimitaka, MUKAITANI Naoya, OKOSHI Yasushi, YAMANO Yoshio
Принадлежит:

A free cooling system includes a plurality of free cooling outdoor units each including a heat medium circuit, a controller, and a communication unit, the heat medium circuit being configured by connecting a heat medium pump, a first heat exchanger, and a heat source side of a second heat exchanger by pipes, a heat medium circulating in the heat medium circuit, the controller configured to control the heat medium pump, and the communication units performing communication with each other, wherein the plurality of free cooling outdoor units are coupled with each other by a load pipe that allows a load heat medium to flow to or flow out from a load side of each second heat exchanger. 1. A free cooling system comprising a plurality of free cooling outdoor units each including a heat medium circuit , a controller , and a communication unit , the heat medium circuit being configured by connecting a heat medium pump , a first heat exchanger , and a heat source side of a second heat exchanger by pipes , a heat medium circulating through the heat medium circuit , the controller configured to control the heat medium pump , the communication units performing communication with each other , wherein the plurality of free cooling outdoor units are coupled with each other by a load pipe that allows a load heat medium to flow to or flow out from a load side of each of the second heat exchangers andthe number of the plurality of free cooling outdoor units operated is changed depending on a load.2. (canceled)3. The free cooling system of claim 1 , whereineach of the plurality of free cooling outdoor units includes a load temperature detection sensor configured to detect a temperature of the load heat medium flowing through the load pipe, andin each of the plurality of free cooling outdoor units in operation,the controller increases a driving frequency of the heat medium pump in a case where the controller determines that the temperature detected by the load temperature detection ...

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Номер записи: 71
02-04-2020 дата публикации

METHOD TO AVOID FAN CYCLING DURING LOW AMBIENT OPERATION

Номер: US20200103152A1
Автор: Him Aylan, Mackey David, Yap Zer Kai
Принадлежит:

A system and method are described that help to alleviate pressure and strain spikes in and around dead tubes or frontiers between stages in a multi-stage condenser coil. Instead of cycling a fan off and on, fans associated with the condenser are kept running at a low speed instead of being turned off. Preventing the fans from turning off completely helps to even out the pressure and strain spikes. The present teachings can be especially beneficial in aluminum-based coils. The present teachings include both a unit controller that carries out the teachings, and a system based on temperature and/or pressure switches connected to a fan controller. 116-. (canceled)17. A method of controlling an HVAC circuit , the method comprising:allowing, by a controller, refrigerant to circulate within the HVAC circuit, wherein the HVAC circuit comprises an evaporator coil, a condenser coil, at least one fan configured to provide airflow to the condenser coil, at least one expansion valve, and at least one compressor;receiving, at the controller, a temperature measurement;determining by the controller, based on the temperature measurement, with a minimum fan speed configured to avoid pressure spikes within the condenser coil; andsending, by the controller, a signal to the at the least one fan to direct the at least one fan to spin at a rate greater than or equal to the minimum fan speed when the measured temperature is less than a predetermined temperature, wherein, when the refrigerant circulates through the condenser coil, the minimum fan speed is greater than zero rotations per minute.18. The method of wherein there is a linear relationship between the measured temperature and the minimum fan speed.19. The method of wherein the associating and the sending are only done when the measured temperature is below 53° Fahrenheit.20. The method of wherein the measured temperature is associated with a maximum strain near at least one dead tube in the condenser coil claim 17 , and the ...

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Номер записи: 72
09-06-2022 дата публикации

Ventilation system, integrated air conditioning system and control method thereof

Номер: US20220178575A1
Автор: Changmin SEOK, Donggyu LEE, Hyeongjoon Seo, Kyunghoon Kim, Mingi CHO, Seojeong KIM, Seonghyun YOON, Seonuk NA, Seungkwan CHOI, Sunggoo KIM, Sungjune CHO
Принадлежит: SAMSUNG ELECTRONICS CO LTD

An integrated air conditioning system includes a ventilation device comprising a first temperature sensor, a first humidity sensor, and a heat exchanger installed on the inlet flow path. An indoor unit configured to discharge heat-exchanged air into an indoor space. An outdoor unit configured to supply a refrigerant to the ventilation device and the indoor unit. A controller connected to the ventilation device, the indoor unit, and the outdoor unit. The controller configured to obtain an indoor temperature from the first temperature or the second temperature sensor. The controller configured to obtain indoor humidity from the first humidity sensor or the second humidity sensor and configured to control at least one of the ventilation device and the indoor unit based on the indoor temperature and the indoor humidity.

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Номер записи: 73
09-04-2020 дата публикации

COOLING SYSTEMS AND METHODS INCORPORATING A PLURAL IN-SERIES PUMPED LIQUID REFRIGERANT TRIM EVAPORATOR CYCLE

Номер: US20200109880A1
Автор: Keisling Earl, McDonnell Gerald
Принадлежит:

The cooling systems and methods of the present disclosure relate to a plural in-series pumped liquid refrigerant trim evaporator cycle that may be incorporated into an existing cooling system to increase the efficiency of the existing cooling system. The cooling systems of the present disclosure include a first evaporator coil in thermal communication with an air intake flow to a heat load, such as a heat load being cooled by the existing cooling system, and a first liquid refrigerant distribution unit in thermal communication with the first evaporator coil. The cooling systems further includes a second evaporator coil disposed in series with the first evaporator coil in the air intake flow and in thermal communication with the air intake flow, and a second liquid refrigerant distribution unit in thermal communication with the second evaporator coil. A trim compression cycle of the second liquid refrigerant distribution unit is configured to incrementally further cool the air intake flow through the second evaporator coil when the temperature of the free-cooled first fluid flowing out of the main compressor of the second liquid refrigerant distribution unit exceeds a predetermined threshold temperature. 1a first evaporator coil in thermal communication with an air intake flow to a heat load;a first liquid refrigerant distribution unit in thermal communication with the first evaporator coil and a first fluid free-cooled by a fluid cooler;a second evaporator coil disposed in series with the first evaporator coil in the air intake flow and in thermal communication with the air intake flow to the heat load;a second liquid refrigerant distribution unit in thermal communication with the second evaporator coil and the first fluid free-cooled by the fluid cooler; andwherein a trim compression cycle of the second liquid refrigerant distribution unit is configured to incrementally further cool the air intake flow through the second evaporator coil when the temperature of the ...

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Номер записи: 74
13-05-2021 дата публикации

FLUID TEMPERATURE CONTROL SYSTEM

Номер: US20210140685A1
Автор: UEDA Teiichirou, YAMAWAKI Masakatsu
Принадлежит: SHINWA CONTROLS CO., LTD

A fluid temperature control system cools a fluid by means of a multiple refrigeration apparatus including a high-temperature-side refrigerator (), a medium-temperature-side refrigerator () and a low-temperature-side refrigerator (). The medium-temperature-side refrigerator () in the multiple refrigeration apparatus has a medium-temperature-side first evaporator () and a medium-temperature-side second evaporator (). A high-temperature-side evaporator () of the high-temperature-side refrigerator () and a medium-temperature-side condenser () of the medium-temperature-side refrigerator () constitute a first cascade condenser (CC). The medium-temperature-side second evaporator () of the medium-temperature-side refrigerator () and a low-temperature-side condenser () of the low-temperature-side refrigerator () constitute a second cascade condenser (CC). The medium-temperature-side refrigerant and the low-temperature-side refrigerant are the same refrigerant. The fluid allowed to flow by a fluid flow apparatus is cooled by the medium-temperature-side first evaporator () of the medium-temperature-side refrigerator (), and is then cooled by the low-temperature-side evaporator () of the low-temperature-side refrigerator (). 1. A fluid temperature control system comprising:a high-temperature-side refrigerator having a high-temperature-side refrigeration circuit in which a high-temperature-side compressor, a high-temperature-side condenser, a high-temperature-side expansion valve and a high-temperature-side evaporator are connected such that a high-temperature-side refrigerant circulates therethrough in this order;a medium-temperature-side refrigerator having a medium-temperature-side circuit in which a medium-temperature-side compressor, a medium-temperature-side condenser, a medium-temperature-side first expansion valve and a medium-temperature-side first evaporator are connected such that a medium-temperature-side refrigerant circulates therethrough in this order, the medium- ...

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Номер записи: 75
25-04-2019 дата публикации

Ejector-Enhanced Heat Recovery Refrigeration System

Номер: US20190118618A1
Автор: Cogswell Frederick J., Elsherbini Abdelrahman I., Verma Parmesh
Принадлежит: CARRIER CORPORATION

A refrigerated transport system () comprises: an engine (). A vapor compression system () comprises: a compressor () for compressing a flow of a refrigerant; a first heat exchanger () along a refrigerant flowpath () of the refrigerant; and a second heat exchanger () along the refrigerant flowpath of the refrigerant. A heat recovery system () has: a first heat exchanger () for transferring heat from the engine to a heat recovery fluid along a heat recovery flowpath (); and a second heat exchanger () along the heat recovery flowpath. The heat recovery system second heat exchanger and the vapor compression system first heat exchanger are respective portions of a shared tube/fin package. 2. The refrigerated transport system of claim 1 , wherein:{'b': 62', '62', '1', '62', '2, 'a separate subcooler () has respective legs (-, -) along the vapor compression flowpath and the heat recovery flowpath; and'}the heat recovery system second heat exchanger is a condenser.3. The refrigerated transport system of claim 1 , wherein:there is no separate subcooler; and{'b': '63', 'the heat recovery system second heat exchanger is an evaporator ().'}4. The refrigerated transport system of claim 1 , wherein the heat recovery system further comprises:{'b': 90', '92', '102', '96, 'an ejector () having a motive flow inlet (), a secondary flow inlet (), and an outlet ();'}{'b': '80', 'a pump (); and'}{'b': '86', 'a loop () of the heat recovery flowpath passing through the pump to the heat recovery system first heat exchanger, through the motive flow inlet and from the outlet back to the pump.'}5. The refrigerated transport system of any previous claim claim 1 , claim 1 , wherein:{'b': 110', '2, 'the heat recovery system first heat exchanger has a leg (-) along a coolant flowpath of the engine.'}6. The refrigerated transport system of claim 5 , further comprising:{'b': '130', 'an engine radiator (); and'}{'b': '140', 'a valve () along the coolant flowpath for apportioning a total coolant flow ...

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Номер записи: 76
16-04-2020 дата публикации

3 stage cooling and defrosting system using quick-freezing chamber, freezing chamber, and refrigerating chamber

Номер: US20200116395A1
Автор: Jin Sup Park, Sang Myun Park
Принадлежит: Individual

The present invention relates to a system for cooling a quick-freezing chamber at −40 to −30° C., a freezing chamber at −20 to −15° C., a refrigerating chamber at 0 to 5° C., and the like and an energy-saving defrosting system for defrosting the quick-freezing chamber, the freezing chamber, and the refrigerating chamber using condensed waste heat.

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Номер записи: 77
21-05-2015 дата публикации

Refrigerating apparatus

Номер: US20150135752A1
Автор: So Nomoto, Takashi Ikeda, Takeshi Sugimoto, Tomotaka Ishikawa
Принадлежит: Mitsubishi Electric Corp

A refrigerating apparatus includes a high-temperature side circuit and a low-temperature side circuit connected to each other via a cascade condenser, a low-temperature side second flow control valve that turns a refrigerant, passing through a liquid pipe connecting between a cooling unit and other circuit parts in a low-temperature side circuit b, into a gas-liquid two-phase refrigerant, and an expansion tank connected to the suction side of a low-temperature circuit compressor via a tank electromagnetic valve.

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Номер записи: 78
11-05-2017 дата публикации

Refrigeration system with free-cooling

Номер: US20170131002A1
Автор: William L. Kopko
Принадлежит: Johnson Controls Technology Co

A system for cooling air for use with a liquid cooling fluid loop. The system includes a first refrigerant circuit with an air-cooled condenser, a second refrigerant circuit with a liquid-cooled condenser, and a free-cooling loop. A control device is provided for controlling the operation of the system between a first mode, a second mode, and a third mode. When operating in the first mode, only the free-cooling loop cooperates directly with liquid cooling fluid in the liquid cooling fluid loop to cool the liquid cooling fluid, when operating in the second mode, the second refrigerant circuit is not engaged, and when operating in the third mode, the free-cooling loop interacts with the second refrigerant circuit to reject heat of the second refrigerant circuit through the free-cooling loop.

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Номер записи: 79
11-05-2017 дата публикации

FLOODED CENTRAL AIR CONDITIONING SYSTEM

Номер: US20170131008A1
Автор: Tan Hongde
Принадлежит:

A flooded central air conditioning system includes a compressor, condenser, external oil separator, low pressure circulation barrel and spiral evaporator, refrigerant outlet of compressor connects to refrigerant inlet of external oil separator, whose refrigerant outlet connects to condenser inlet, whose outlet connects to refrigerant inlet of low pressure circulation barrel, whose refrigerant outlet connects to refrigerant inlet of spiral evaporator, whose refrigerant outlet connects to gas inlet of low pressure circulation barrel, whose gas outlet connects to refrigerant inlet of compressor. The present invention provides a flooded central air conditioning system, which owns advantages of energy saving and better refrigeration as ammonia refrigerant, safety and convenience as Freon refrigerant, has greatly improved the refrigeration efficient of refrigeration system using Freon as refrigerant. Integrated energy efficiency is significantly improved, and energy consumption greatly reduced. The central air conditioning system described owns pretty strong market competitiveness. 1. A flooded central air conditioning system , wherein , the system comprises a compressor , a condenser , an external oil separator , a low pressure circulation barrel and a spiral evaporator , a refrigerant outlet of the compressor connects to a refrigerant inlet of the external oil separator , a refrigerant outlet of the external oil separator connects to an inlet of the condenser , an outlet of the condenser connects to a refrigerant inlet of the low pressure circulation barrel , a refrigerant outlet of the low pressure circulation barrel connects to a refrigerant inlet of the spiral evaporator , a refrigerant outlet of the spiral evaporator connects to a gas inlet of the low pressure circulation barrel , a gas outlet of the low pressure circulation barrel connects to a refrigerant inlet of the compressor; a refrigerant gas compressed by the compressor goes into the condenser for condensing ...

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Номер записи: 80
02-05-2019 дата публикации

DEHUMIDIFIER WITH SECONDARY EVAPORATOR AND CONDENSER COILS IN A SINGLE COIL PACK

Номер: US20190128543A1
Автор: DeMonte Todd R., Dingle Steven S., Lorang Grant M., Sloan Scott E., Yu Weizhong
Принадлежит:

A dehumidification system includes a compressor, a primary evaporator, a primary condenser, a secondary evaporator, and a secondary condenser. The secondary evaporator receives an inlet airflow and outputs a first airflow to the primary evaporator. The primary evaporator receives the first airflow and outputs a second airflow to the secondary condenser. The secondary condenser receives the second airflow and outputs a third airflow to the primary condenser. The primary condenser receives the third airflow and outputs a dehumidified airflow. The compressor receives a flow of refrigerant from the primary evaporator and provides the flow of refrigerant to the primary condenser. 1. A dehumidification system , the system comprising:a primary metering device;a secondary metering device; [ receive a flow of refrigerant from the primary metering device; and', 'receive an inlet airflow and output a first airflow, the first airflow comprising cooler air than the inlet airflow, the first airflow generated by transferring heat from the inlet airflow to the flow of refrigerant as the inlet airflow passes through the secondary evaporator portion;, 'a secondary evaporator portion operable to, receive the flow of refrigerant from the secondary metering device; and', 'receive the first airflow and output a second airflow, the second airflow comprising cooler air than the first airflow, the second airflow generated by transferring heat from the first airflow to the flow of refrigerant as the first airflow passes through the primary evaporator portion;, 'a primary evaporator portion operable to, receive the flow of refrigerant from the secondary evaporator portion; and', 'receive the second airflow and output a third airflow, the third airflow comprising warmer and less humid air than the second airflow, the third airflow generated by transferring heat from the flow of refrigerant to the third airflow as the second airflow passes through the secondary condenser portion;, 'a secondary ...

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Номер записи: 81
02-05-2019 дата публикации

DEHUMIDIFIER WITH MULTI-CIRCUITED EVAPORATOR AND SECONDARY CONDENSER COILS

Номер: US20190128544A1
Автор: "OBrien Timothy S.", DeMonte Todd R., Lorang Grant M., Sloan Scott E., Yu Weizhong
Принадлежит:

A dehumidification system includes a compressor, a primary evaporator, a primary condenser, a secondary evaporator, and a secondary condenser. The secondary evaporator receives an inlet airflow and outputs a first airflow to the primary evaporator. The primary evaporator receives the first airflow and outputs a second airflow to the secondary condenser. The secondary condenser receives the second airflow and outputs a third airflow to the primary condenser. The primary condenser receives the third airflow and outputs a dehumidified airflow. The compressor receives a flow of refrigerant from the primary evaporator and provides the flow of refrigerant to the primary condenser. 1. A dehumidification system , comprising:a primary metering device; receive a flow of refrigerant from the primary metering device; and', 'receive an inlet airflow and output a first airflow, the first airflow comprising cooler air than the inlet airflow, the first airflow generated by transferring heat from the inlet airflow to the flow of refrigerant as the inlet airflow passes through the secondary evaporator;, 'a secondary evaporator operable totwo or more secondary metering devices; for each circuit of the two or more circuits, receive a portion of the flow of refrigerant from a corresponding secondary metering device; and', 'receive the first airflow and output a second airflow, the second airflow comprising cooler air than the first airflow, the second airflow generated by transferring heat from the first airflow to the flow of refrigerant as the first airflow passes through the primary evaporator;, 'a primary evaporator comprising two or more circuits for flow of refrigerant, the primary evaporator operable to receive the flow of refrigerant from the secondary evaporator; and', 'receive the second airflow and output a third airflow, the third airflow comprising warmer and less humid air than the second airflow, the third airflow generated by transferring heat from the flow of ...

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Номер записи: 82
02-05-2019 дата публикации

Water-Cooled Refrigerated Transport System

Номер: US20190128568A1
Автор: Jason D. Scarcella, Thomas J. Benedict
Принадлежит: Carrier Corp

A refrigeration system ( 30 ) comprises a compressor ( 36 ) for driving the refrigerant along a refrigerant flowpath ( 34 ) and having a first stage ( 36 A) and a second stage ( 36 B). A first heat exchanger ( 38 ) is along the refrigerant flowpath. An intercooler heat exchanger ( 120 ) is along the refrigerant flowpath. A second heat exchanger ( 42 ) is along the refrigerant flowpath. An additional heat exchanger ( 170 ) is along the refrigerant flowpath between the compressor second stage and the first heat exchanger.

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Номер записи: 83
02-05-2019 дата публикации

Heat exchanger

Номер: US20190128577A1
Автор: Daiki Kato, Hiroshi Mieda, Masaaki Kawakubo, Ryohei Sugimura, Tetsuya Ito
Принадлежит: Denso Corp

A heat exchanger includes a heat exchanging portion, a reservoir that performs gas-liquid separation on a gas-liquid two-phase refrigerant that flows out from the heat exchanging portion into a gas-phase refrigerant and a liquid-phase refrigerant and stores the liquid-phase refrigerant, and an inflow passage that allows the gas-liquid two-phase refrigerant flowing out from the heat exchanging portion to flow into the reservoir. The inflow passage is connected so as to be in communication with an inlet port of the reservoir which is disposed above a liquid surface of the liquid-phase refrigerant stored in the reservoir.

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Номер записи: 84
23-04-2020 дата публикации

Air conditioner, unit for floating conveying substrate with air conditioner, and method of supplying air for floating conveying substrate

Номер: US20200126834A1
Автор: Humiyuki Hosoi, Shunji Yamaguchi, Takuya ISHIMATSU
Принадлежит: Shinwa Controls Co Ltd

An air conditioner comprising a blower unit to blow air at a predetermined amount, a cooling unit arranged downstream of the blower unit in an air flowing direction, a compressor which is operated at a variable operating frequency so that a revolving speed thereof is adjustable, a condenser, and a cooling coil connected in this order by pipes to circulate a heating medium to cool blown air. A heating unit is arranged on a downstream side of said cooling unit in the air flowing direction in which the blown air is heated by a heater. A control unit controls the operating frequency of the compressor and includes a compressor control part which adjusts the revolving speed of the compressor in such a way that the operating frequency of the compressor is decreased by a predetermined frequency when an output of the heating unit exceeds a first threshold value.

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Номер записи: 85
28-05-2015 дата публикации

REFRIGERATION SYSTEM AND METHODS FOR REFRIGERATION

Номер: US20150143826A1
Автор: Lingelbach John
Принадлежит:

A refrigeration system includes: a compressor arrangement for compressing gaseous refrigerant from a first pressure to a second pressure, wherein the second pressure comprises a condensing pressure; a first condenser evaporator system and a second condenser evaporator system, where in the first condenser evaporator system and the second condenser evaporator system are arranged in parallel and each comprises: (1) a condenser for receiving gaseous refrigerant at a condensing pressure and condensing the refrigerant to a liquid refrigerant, where in the condenser comprises a gaseous refrigerant inlet, a plate and a liquid refrigerant outlet, and a water delivery system for delivering water to an outside of the plate for removing heat from the plate; (2) a controlled pressure receiver for holding the liquid refrigerant from the condenser; and (3) an evaporator for evaporating the liquid refrigerant from the controlled pressure receiver to form the gaseous refrigerant; a first gaseous refrigerant feed line for feeding the gaseous refrigerant at the second pressure from the compressor arrangement to the plurality of condenser evaporator systems; and a second gaseous refrigerant feed line for feeding gaseous refrigerant from the plurality of condenser evaporator systems to the compressor arrangement. A process for feeding multiple condenser evaporator systems provided, and a cartridge condenser is provided. 1. A refrigeration system for a facility comprising:(a) a compressor arrangement for compressing gaseous refrigerant from a first pressure to a second pressure, wherein the second pressure comprises a condensing pressure; (1) a condenser for receiving the gaseous refrigerant at the condensing pressure and condensing the gaseous refrigerant to a liquid refrigerant;', '(2) a controlled pressure receiver for holding the liquid refrigerant from the condenser; and', '(3) an evaporator for evaporating the liquid refrigerant from the controlled pressure receiver to form the ...

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Номер записи: 86
17-05-2018 дата публикации

Cooling of a fluid with a refrigerant at triple point

Номер: US20180135896A1
Автор: Leif Kappel Petersen, Lorentz Christian HEERUP
Принадлежит: NEL Hydrogen AS

A closed cooling system for cooling a fluid of an open fluid system including a first heat exchanger and a compressor facilitating circulation of a refrigerant in the closed cooling system, where the refrigerant facilitates providing a solid state cooling bank which is thermally coupled to the open fluid system thereby cooling fluid conducted through the open fluid system.

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Номер записи: 87
17-05-2018 дата публикации

ENERGY EFFICIENT COLD STORAGE UNITS

Номер: US20180135898A1
Автор: BHATE Suresh Krishnaji, KELESHIAN K. George
Принадлежит: ZEROENERGY BUILDINGS, INC.

Cold storage unit apparatuses designed for high energy efficiency are provided, which may include: a refrigeration system; a box enclosing an interior space, the box formed by a plurality of insulated sides; an entry into the interior space including a plurality of openable barriers facilitating preventing entry of heat or moisture into the interior space; and a power system connected to the refrigeration system, the power system facilitating independent operation of the refrigeration system when not connected to a power grid, and further facilitating a net energy use of zero from a power grid when connected to a power grid. Cold storage units may further include systems for using the refrigerant of the refrigeration system to defrost one or more components of the cold storage unit, and for using the refrigerant to facilitate maintaining a desired internal temperature of the interior space of the cold storage unit. 1. An apparatus comprising: a refrigeration system;', 'a box enclosing an interior space, the box comprising a plurality of insulating sides, the insulating sides minimizing heat transfer and moisture transfer to the interior space from an external environment;', 'an entry into the interior space comprising a plurality of openable barriers, the plurality of barriers facilitating preventing entry of heat or moisture into the interior space from the external environment; and', 'a power system connected to the refrigeration system, the power system facilitating independent operation of the refrigeration system when not connected to a power grid, and further facilitating a net energy use of zero from a power grid when connected to a power grid., 'a cold storage unit capable of being connected to a power grid, comprising2. The apparatus of claim 1 , wherein the plurality of openable barriers comprises at least a first barrier and a second barrier claim 1 , the first barrier providing a barrier between the interior space and an exterior environment and the ...

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Номер записи: 88
17-05-2018 дата публикации

AN IMPROVED TEMPERATURE CONTROL SYSTEM

Номер: US20180135899A1
Автор: Turner David
Принадлежит:

Temperature control system and method A temperature control system () includes a compressor (), a condenser (), an expansion valve (), and an evaporator ( all connected in series. At least one heat exchanger () is located between the compressor and the condenser and operable to transfer heat energy from an external heat source to the refrigerant. In one variant, an array of heat exchangers is located between the compressor and the condenser. In a further variant ( FIG. ), there are one or more heat exchangers located between the compressor and the condenser and flow control means to direct the flow of refrigerant either through at least one heat exchanger or directly from the compressor to the condenser bypassing at least one of the heat exchangers. Methods of heating and cooling an environment using the system are also disclosed. 1. A temperature control system comprising: a compressor , a condenser , an expansion valve and an evaporator all connected in series by a plurality of refrigerant pipes; wherein the system further comprises an array of heat exchangers located between the compressor and the condenser operable in use to transfer heat energy from one or more external heat sources to the refrigerant leaving the compressor and before it enters the condenser.2. A temperature control system as claimed in comprising one or more flow control members operable in use to direct the flow of the refrigerant such that it is either passed through at least one of the heat exchangers within the array or is passed directly from the compressor to the condenser claim 1 , bypassing at least one of heat exchangers within the array.3. A temperature control system comprising: a compressor claim 1 , a condenser claim 1 , an expansion valve and an evaporator claim 1 , all connected in series by a plurality of refrigerant pipes; one or more heat exchangers located between the compressor and the condenser operable in use to transfer heat energy from one or more external heat sources ...

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Номер записи: 89
09-05-2019 дата публикации

HEAT PUMP SYSTEM FOR VEHICLE

Номер: US20190135075A1
Автор: HWANG In Guk, LEE Hae Jun
Принадлежит:

The present invention relates to a heat pump system for a vehicle and, more particularly, to a heat pump system for a vehicle comprising: a first cooling water line connecting an outdoor heat exchanger (electric radiator) and an electronic component; a second cooling water line connecting a chiller and a battery; and a cooling water control means for controlling a flow of cooling water by connecting the first cooling water line and the second cooling water line. As such, not only waste heat of the electronic component but also waste heat of the battery can be utilized by means of the chiller in a heating mode to thereby improve heating performance, and the battery is cooled in a cooling mode so that heat exchange of the battery is possible. 1. A heat pump system for a vehicle in which a compressor , an outdoor heat exchanger , an expansion means , and an evaporator are connected to a refrigerant circulation line , the heat pump system comprising:a chiller connected to the refrigerant circulation line through a first bypass line in parallel;a first cooling water line which connects the outdoor heat exchanger and an electric component for the vehicle to circulate cooling water;a second cooling water line which connects the chiller and a battery for the vehicle to circulate cooling water; anda cooling water adjusting means which connects the first cooling water line and the second cooling water line with each other to adjust a flow of cooling water between the first and second cooling water lines,wherein through the chiller, waste heat of the electric component or the battery is recovered in a heating mode, and the battery is cooled to make heat management of the battery possible in a cooling mode.2. The heat pump system according to claim 1 , wherein the cooling water adjusting means comprises:a connection line which connects the first cooling water line and the second cooling water line in parallel to arrange the outdoor heat exchanger, the electric component, the ...

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Номер записи: 90
26-05-2016 дата публикации

CONSTANT-TEMPERATURE-FLUID CIRCULATION DEVICE

Номер: US20160146519A1
Автор: Ito Noriaki
Принадлежит: SMC Corporation

A device to mount plural number of condenser sections, including respective condenser sections of an inflow conduit flowing into coolant therein, an outflow conduit flowing out of coolant therefrom, a connection tube communicating between the inflow conduit and the outflow conduit, and plural number of condenser tubes for connecting the inflow conduit and the outflow conduit and fins attached to the condenser tube. The plural number of the condenser sections are mounted every inflow conduits and every outflow conduits directing to the same direction, leeward side positioned outflow conduits of the condenser sections and windward side positioned inflow conduits of the condenser sections being connecting the connection tube, with series connection, thereby coolant within the condenser tubes of the plural number of the condenser sections flows in the same direction. 18-. (canceled)9. A constant-temperature-fluid circulation device mounted within a housing a constant-temperature liquid circuit unit for supplying thermally regulated constant-temperature to a load and a refrigeration circuit unit for regulating the temperature of the constant-temperature liquid by heat exchanging between the constant-temperature liquid and coolant ,the refrigeration circuit unit comprising a compressor to form high-temperature and high-pressure gaseous coolant by compressing gaseous coolant, an air-cooled condenser for generating high-pressure liquid coolant by cooling coolant in gas-phase fed from the compressor, an expansion valve to form low temperature and low pressure liquid coolant by expanding the high-pressure liquid coolant supplied from the condenser, and an evaporator for supplying low pressure gaseous coolant to the compressor produced by the constant-temperature liquid being evaporated by making heat exchange with the low temperature and low pressure liquid coolant in the heat exchanging device,the condenser comprising a fan shroud installed a fan generating coolant stream, ...

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Номер записи: 91
24-05-2018 дата публикации

VEHICLE AIR CONDITIONER

Номер: US20180141409A1
Автор: MIYAKOSHI Ryo, Suzuki Kenichi
Принадлежит:

There is disclosed a vehicle air conditioner of a heat pump system in which there is prevented or inhibited frosting to an outdoor heat exchanger when heating in a vehicle interior is beforehand performed during plug-in, thereby realizing comfortable heating in the vehicle interior during running and also extending a running distance. The vehicle air conditioner includes a heating medium circulating circuit to heat air to be supplied from an air flow passage to a vehicle interior, a controller has frosting estimation means for estimating frosting to an outdoor heat exchanger , and when a heating mode is executed in a state where a power is supplied from an external power source to a compressor or a battery which supplies the power to drive the compressor , the controller executes the heating by a heating medium circulating circuit , in a case where the frosting to the outdoor heat exchanger is predicted on the basis of the estimation of the frosting estimation means. 1. A vehicle air conditioner comprising:a compressor which compresses a refrigerant;an air flow passage through which air to be supplied to a vehicle interior flows;a radiator which lets the refrigerant radiate heat to heat the air to be supplied from the air flow passage to the vehicle interior;a heat absorber which lets the refrigerant absorb heat to cool the air to be supplied from the air flow passage to the vehicle interior;an outdoor heat exchanger disposed outside the vehicle interior to let the refrigerant radiate heat or absorb heat; andcontrol means,the vehicle air conditioner executing at least a heating mode in which the control means lets the refrigerant discharged from the compressor radiate heat in the radiator, decompresses the refrigerant by which heat has been radiated, and then lets the refrigerant absorb heat in the outdoor heat exchanger, auxiliary heating means for heating the air to be supplied from the air flow passage to the vehicle interior,', 'wherein the control means has ...

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Номер записи: 92
25-05-2017 дата публикации

DIALYSATE REGENERATION UNIT AND BLOOD DIALYZING APPARATUS HAVING THE SAME

Номер: US20170143887A1
Автор: Cho Taebeom
Принадлежит:

Provided is a temperature-based dialysate regeneration device for regulating a temperature of dialysate discharged from a hemodialyzer to remove uremic toxins and waste therefrom, the temperature-based dialysate regeneration device including: a Joule-Thomson refrigerator, including a compressor, condenser, expander and evaporator, an adsorbent column, and a dialysate heat exchanger in which heat transfer occurs between dialysates. The refrigerant used for the JT refrigerator may be a mixture of two or more refrigerants to enhance the heat transfer generated by the latent heat in the evaporator and the condenser. 1. A temperature-based dialysate regeneration device for regenerating dialysate , comprising:a compressor compressing refrigerant;a condenser cooling the refrigerant pressurized by the compressor;an expander expanding the refrigerant having passed through the condenser;an evaporator where the refrigerant having passed through the expander collects heat from the dialysate;an adsorbent column removing waste from the dialysate; anda dialysate heat exchanger performing heat exchange between the dialysate discharged from a hemodialyzer and the dialysate having passed through the adsorbent column.2. (canceled)3. (canceled)4. The temperature-based dialysate regeneration device of claim 1 , comprising a thermostat adjusting a temperature of the dialysate.5. The temperature-based dialysate regeneration device of claim 1 , comprising an ion balancer measuring and adjusting an electrolyte concentration of the dialysate.6. The temperature-based dialysate regeneration device of claim 5 , wherein the refrigerant passing through the compressor claim 5 , the condenser claim 5 , the expander claim 5 , and the evaporator is a mixture of two or more refrigerants.7. The temperature-based dialysate regeneration device of claim 5 , wherein the adsorbent column is detachable.8. The temperature-based dialysate regeneration device of claim 5 , wherein the dialysate having passed ...

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Номер записи: 93
08-09-2022 дата публикации

SYSTEM AND METHOD FOR PHASE-CHANGE COOLING OF AN ELECTRONIC RACK

Номер: US20220287207A1
Автор: Gao Tianyi
Принадлежит:

According to one embodiment, a cooling system includes a primary condenser, a primary supply line and a primary return line that couples the primary condenser to a cold plate that is arranged to be used for electronics cooling to create a primary heat-transfer loop in which the condenser supplies liquid coolant to the cold plate and receives vapor produced by the cold plate, a secondary condenser, a secondary supply line that couples the secondary condenser to the primary supply line, a secondary return line that couples the secondary condenser to the primary return line, and a primary valve that is coupled to the secondary return line, where, in response to vapor pressure exceeding a pressure threshold, the valve at least partially opens to create a secondary heat-transfer loop in which the secondary condenser condense vapor back into liquid coolant that is supplied to the primary supply line. 1. A cooling system for an electronic rack , the cooling system comprising:a primary condenser;a primary supply line and a primary return line that couples the primary condenser to a cold plate that is arranged to mount on an IT component of a piece of information technology (IT) equipment that is disposed within the electronic rack to create a primary heat-transfer loop in which the primary condenser 1) supplies, via the primary supply line, liquid coolant to the cold plate and 2) receives, via the primary return line, vapor that is produced by the cold plate when heat generated by the IT component is transferred into the liquid coolant by the cold plate;a secondary condenser;a secondary supply line that couples the secondary condenser to the primary supply line;a secondary return line that couples the secondary condenser to the primary return line; anda primary valve that is coupled to the secondary return line,wherein the primary valve is configured to at least partially open in response to a pressure of the vapor exceeding a pressure threshold,wherein, in response to the ...

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Номер записи: 94
21-08-2014 дата публикации

HOT WATER SUPPLY AIR CONDITIONING SYSTEM

Номер: US20140230477A1
Автор: FURUI Shuji, Matsui Nobuki
Принадлежит:

A hot water supply air conditioning system performs a first cold-storage operation, a second cold-storage operation, and a cold-used air-cooling operation. In the first cold-storage operation, a hot-water-supply-side heat exchanger serves as a condenser, and a thermal-storage-side heat exchanger serves as an evaporator. Moreover, a hot water supplier heats water of a hot water storage tank, and a thermal storage stores cold thermal energy in a thermal storage tank. In the second cold-storage operation, a heat-source-side heat exchanger serves as a condenser, and the thermal-storage-side heat exchanger serves as an evaporator. Moreover, the thermal storage stores cold thermal energy in the thermal storage tank. In the cold-used air-cooling operation, the hot water supply air conditioning system cools room air using cold thermal energy stored in the thermal storage tank. 1. A hot water supply air conditioning system comprising:a hot water supplier including a hot water storage tank configured to store hot water to be supplied;a thermal storage including a thermal storage tank configured to store a thermal storage medium; and a hot-water-supply-side heat exchanger connected to the hot water supplier,', 'a thermal-storage-side heat exchanger connected to the thermal storage,', 'a heat-source-side heat exchanger configured to exchange heat between refrigerant and outdoor air, and', 'a utilization-side heat exchanger configured to condition room air,, 'a refrigerant circuit including'} a cold-storage operation in which the refrigerant circuit performs a refrigeration cycle such that the thermal-storage-side heat exchanger serves as an evaporator and the thermal storage cools the thermal storage medium of the thermal storage tank with refrigerant flowing through the thermal-storage-side heat exchanger, and', 'a cold-used air-cooling operation in which the refrigerant circuit circulates refrigerant from the thermal-storage-side heat exchanger to the utilization-side heat ...

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Номер записи: 95
16-05-2019 дата публикации

REFRIGERATION CYCLE APPARATUS

Номер: US20190145669A1
Автор: Matsuda Takuya, TANAKA Chitose, TANAKA Kosuke
Принадлежит:

A refrigeration cycle apparatus includes a refrigerant circuit in which a compressor, a first heat exchanger, an expansion mechanism, and a second heat exchanger are connected by pipes. The first heat exchanger includes a first refrigerant passage and a second refrigerant passage that share a plurality of fins with each other and provided in parallel in the refrigerant circuit. The apparatus further includes a high-and-low-pressure switching mechanism which is located on an inlet side of the second refrigerant passage of the first heat exchanger in flowing of refrigerant in an operation in which the first heat exchanger functions as a condenser, and which performs switching between flow directions of the refrigerant. The apparatus further includes a refrigerant blocking mechanism located on an outlet side of the second refrigerant passage of the first heat exchanger in the flowing of the refrigerant in the operation, and which blocks the flowing of the refrigerant. 1. A refrigeration cycle apparatus comprising a refrigerant circuit in which a compressor , a first heat exchanger , an expansion mechanism and a second heat exchanger are connected by pipes ,wherein the first heat exchanger includes a first refrigerant passage and a second refrigerant passage that share a plurality of fins with each other,the first refrigerant passage and the second refrigerant passage are provided in parallel in the refrigerant circuit;a high-and-low-pressure switching mechanism is provided on an inlet side of the second refrigerant passage of the first heat exchanger in flowing of refrigerant in an operation in which the first heat exchanger functions as a condenser, and is configured to perform switching between flow directions of the refrigerant;a refrigerant blocking mechanism is provided on an outlet side of the second refrigerant passage of the first heat exchanger in the flowing of the refrigerant in the operation, and is configured to block the flowing of the refrigerant, ...

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Номер записи: 96
17-06-2021 дата публикации

HEAT PUMP WITH DEHUMIDIFICATION

Номер: US20210180807A1
Автор: Javidmand Puya, Taras Michael F.
Принадлежит:

Various embodiments of a heat pump system are disclosed to provide improved and flexible heat pump operation when dehumidification of the conditioned space is required. In one embodiment, a heat pump system includes a heat pump loop comprising a refrigerant circuit that fluidly interconnects (1) a compressor; (2) a source heat exchanger; (3) a source heat exchanger bypass circuit comprising a bypass valve; (4) a space heat exchanger; (5) a reversing valve positioned on the discharge side of the compressor; (6) a reheat circuit comprising a reheat heat exchanger; (7) first and second expansion devices; and (8) first and second expansion device bypass circuits configured to allow refrigerant to bypass the first and second expansion devices, respectively, where the first and second bypass circuits include first and second check valves, respectively; and (9) a 3-way valve configured to selectively direct refrigerant flow to the first expansion device, the reheat circuit, and the second expansion device. 1. A heat pump system for conditioning air in a space , comprising: a compressor;', 'a source heat exchanger for exchanging heat with a source liquid;', 'a space heat exchanger for cooling or heating the air in the space;', 'a reversing valve configured to alternately direct refrigerant flow from the compressor to one of the source heat exchanger and the space heat exchanger and to alternately return flow from the other of the source heat exchanger and the space heat exchanger to the compressor;', 'a reheat circuit comprising a reheat heat exchanger, an upstream leg, a downstream leg, and a reheat bypass valve joining the upstream leg and the downstream leg, wherein the reheat heat exchanger is configured to reheat the air when the system is in a dehumidification mode and operate as an auxiliary condenser when the system is in a heating mode, wherein the space heat exchanger and the reheat heat exchanger are positioned in an air flow path for conditioning the air in the ...

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Номер записи: 97
23-05-2019 дата публикации

Heat pump air-conditioning system and electric vehicle

Номер: US20190152294A1
Автор: Meijiao YE, Shaoheng PENG, Xuefeng Chen
Принадлежит: BYD Co Ltd

This disclosure discloses a heat pump air-conditioning system and an electric vehicle. The system includes: an indoor condenser, an indoor evaporator, a compressor, and an outdoor heat exchanger, where an outlet of the compressor is in communication with an inlet of the indoor condenser, an outlet of the indoor condenser is in communication with an inlet of the outdoor heat exchanger through a first throttle branch or a first through-flow branch, an outlet of the outdoor heat exchanger, through a second throttle branch or a second through-flow branch, is in communication with a first end of a first branch that is open or closed and is in communication with a first end of a second branch that is open or closed, a second end of the first branch is in communication with an inlet of the compressor, a second end of the second branch is in communication with an inlet of the indoor evaporator, an outlet of the indoor evaporator is in communication with the inlet of the compressor, the outlet of the indoor condenser is in communication with the inlet of the compressor through a third throttle branch that is open or closed, and an outlet of the outdoor heat exchanger is in communication with the inlet of the compressor through a fourth throttle branch that is open or closed. Therefore, effects such as improving energy consumption, satisfying regulatory requirements for defrosting and defogging, and facilitating installation can be achieved.

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Номер записи: 98
07-06-2018 дата публикации

EXPENDABLE DRIVEN HEAT PUMP CYCLES

Номер: US20180156508A1
Автор: Andres Michael J.
Принадлежит: HAMILTON SUNDSTRAND CORPORATION

A cooling system with a compression cooling cycle for a working fluid that passes an expendable fluid through a warm side heat exchanger for the cooling system to cause the expendable fluid to vaporize and thus absorb heat from the working fluid by way of latent heat or enthalpy of vaporization and then running the vaporized expendable through a turbine that drives a compressor for the cooling system. 1. A cooling system comprising a compression cycle for cooling a working fluid , comprising:a cool side heat exchanger for transferring thermal energy from a heat load to the working fluid that heats the working fluid to form a heated working fluid;a compressor driven by a motor that receives the heated working fluid and compresses the heated working fluid to a high-pressure to form a heated high-pressure working fluid;a warm side heat exchanger that receives the heated high-pressure working fluid from the compressor and cools the heated high-pressure working fluid with an expendable fluid that receives heat from the heated high-pressure working fluid and vaporizes the heated high-pressure working fluid to produce a pressurized expendable fluid and cooled high-pressure working fluid;a turbine powered by the pressurized expendable fluid that assists the motor to drive the compressor;a backpressure control valve configured to be coupled in series between the turbine and the warm side heat exchanger;an expendable storage tank for storing the expendable fluid; andan expendable feed pump for transferring the expendable fluid from the expendable storage tank to the warm side heat exchanger.2. The cooling system of claim 1 , further comprising:an air compressor for compressing air from an air supply to high-pressure to form high-pressure air;a second combustor for receiving the high-pressure air from the turbine and the pressurized expendable fluid from the warm side heat exchanger and combusting them to produce a combustion gas; andwherein the turbine receives the combustion ...

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Номер записи: 99
23-05-2019 дата публикации

EVAPORATOR LIQUID PREHEATER FOR REDUCING REFRIGERANT CHARGE

Номер: US20190154308A1
Автор: Derosier Greg
Принадлежит:

A system and method for reducing the refrigerant charge in a refrigeration system by preheating the liquid refrigerant before it is introduced to the evaporator inlet. When refrigerant liquid is introduced to the evaporator inlet, a portion of the refrigerant liquid vaporizes. This refrigerant vapor displaces refrigerant liquid at the inlet of the evaporator. As more refrigerant vapor is introduced, the amount of liquid inside the evaporator is reduced. A heat exchanger is placed before the liquid refrigerant inlet of the evaporator to generate more vapor when the refrigerant enters the evaporator. 19.-. (canceled)10. A method for reducing the refrigerant charge of a refrigeration system comprising preheating liquid refrigerant prior to introduction of the liquid refrigerant to an evaporator of said refrigeration system.119. The method according to claim , further comprising measuring a property of said refrigerant at an inlet of said evaporator and adjusting an amount of said preheating based on said measured property.12. The method according to claim 10 , wherein said pre-heating the refrigerant prior to introduction of the refrigerant to the evaporator inlet reduces the refrigerant charge per ton of refrigeration capacity by 10% or greater.13. The method according to claim 12 , wherein said pre-heating the refrigerant prior to introduction of the refrigerant to the evaporator inlet reduces the refrigerant charge per ton of refrigeration capacity by 30% or greater.14. The method according to claim 10 , comprising heating said liquid refrigerant to convert 10% to 30% refrigerant vapor.15. The method according to claim 10 , wherein said preheating liquid refrigerant step is carried out in a preheater heat exchanger located in a refrigerant flow path upstream of the evaporator inlet claim 10 , using warmed refrigerant liquid from a refrigerant condenser in said refrigerant flow path that is located in said refrigerant flow path upstream of said preheater heat ...

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Номер записи: 100