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WO/1995/025251A1 |
Liquid pressure amplification with bypass is used in an air-conditioning or refrigeration system which includes a compressor (12), a condenser (14), a pump (32), an expansion valve (16), and an evaporator (18), interconnected by conduits...
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WO/1995/023943A1 |
Pulse width modulation is used to control the flow rate through a solenoid expansion valve (16) in a refrigeration system (10). A first temperature sensor (30) is located near the evaporator inlet, and a second temperature sensor (28) is...
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WO/1995/010742A1 |
A reheater (46) is used in air-conditioning system which includes a compressor (12), a condenser (14), an expansion device (16), and an evaporator (18), interconnected by conduits in a closed loop. A centrifugal pump (32) boosts the pres...
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WO/1995/009335A2 |
The invention entails the use of a positive displacement pump (4) magnetically coupled to a drive motor (42) located in a conduit arrangement (60) this is parallel to the liquid line of the refrigeration system as in the figure. This par...
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WO/1995/005568A1 |
An automatic machine (10) for heating and refrigerating fluids comprises a pair of hydraulic circuits, which are connected to each other by means of suitable pipelines, each of said circuits respectively comprising an evaporator (11), an...
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WO/1994/012594A1 |
A refrigerator working fluid composition comprising an ammonia refrigerant and a lubricating oil which has a remarkably good compatibility therewith, and a method of lubricating a refrigerating unit suitable when the above composition is...
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WO/1994/011686A1 |
The invention concerns a condenser for a vehicle air-conditioning system, the condenser having a ribbed tube (10) fitted on each side with collector tubes (13, 14) which are divided by partition walls (17, 18) into an upper zone for cond...
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WO/1994/007091A1 |
The quantity of a refrigerant flowing into an evaporator (16) is regulated by adjusting the opening of an expansion valve (6) in accordance with the temperature and pressure of the refrigerant at the outlet side of the evaporator (16). T...
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WO/1994/002789A1 |
A closed loop vapor cycle refrigeration system having an enthalpy-expander-jet-compressor (100) is disclosed. A portion of the liquid refrigerant in the system is expanded into gas in the enthalpy expander (114). The expanded gas (122) i...
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WO/1993/020391A1 |
A condenser (46 or 94) is positioned in high-pressure refrigerant line (58) of a cooling system. The condenser (46 or 94) is formed of thermally-conductive material defining a closed reservoir (76 or 106) for accumulating liquid refriger...
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WO/1993/018357A1 |
An improved subcooling system for nonazeotropic working fluid leaving a condenser in a multi-compartment system passes the fluid leaving the condenser in heat exchange relationship with fluid evaporating within the evaporator (102). The ...
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WO/1993/006422A1 |
The invention comprises a non-restrictive, constant pressure refrigerant recycling and cooling unit that interrupts the normal refrigerant cycle to permit a lower temperature liquid to enter the expansion device (5), and thus provide a l...
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WO/1993/001459A1 |
A heat pumping system comprises a compressor (12), a condenser (13) communicating with the outlet of the compressor, and an evaporator (19) communicating with the inlet of the compressor through a suction conduit (18), while a flow restr...
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WO/1993/001458A1 |
For use with a refrigeration system to increase cooling efficiency, between an outdoor condenser and an indoor evaporator, a refrigerant receiver-sub-cooler is provided including, immediately before the receiver-sub-cooler, but still wit...
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WO/1993/000561A1 |
A flake ice machine (10) including a rotatable cooling member (12) defining cooling surfaces (20) and a plurality of internal refrigerant flow passages (76). The machine includes a spray tube (18) for introducing liquid material onto a p...
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WO/1992/006338A1 |
A refrigeration system is disclosed which utilizes an expansion engine (110) in the condensate line (38) of the condenser (28). The liquid leaving the condenser (28) drives the expansion engine (110) when it passes therethrough. The expa...
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WO/1991/019947A1 |
A method is presented for the transfer of heat from a low to a higher temperature, in that the main medium in gas form is heated and compressed, after which this main medium is conducted to a first heating chamber (1) where heat at low t...
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WO/1991/019140A1 |
A refrigerant filter/accumulator and an oil separator, both suitable for refrigerant recovery equipment, are disclosed. In the filter/accumulator (10) refrigerant enters (11), is filtered by cup-shaped filter (15), and liquid-refrigerant...
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WO/1991/003692A1 |
An automotive condenser (32) is disclosed as having vertically upstanding first (34) and second (36) headers communicating with inlet and outlet connections, respectively, and generally horizontally disposed tubes (38) connected into suc...
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WO/1990/012263A1 |
Compression refrigerating system with an oil and air separator (1) inserted between the refrigerant receiver (13) and the evaporators (1) of the system, and in which the refrigerant in the mixture of oil and refrigerant by its evaporatio...
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WO/1990/008930A1 |
A non-restrictive, constant pressure refrigerant recycling and cooling unit (20) that interrupts the normal refrigerant cycle to permit a lower temperature liquid to enter the expansion device (5), and thus provide a lower temperature, a...
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WO/1990/007683A1 |
The present invention involves the regulation of specific enthalpy at evaporator inlet by deliberate use of the pressure and/or temperature before throttling for capacity control. Capacity is controlled by varying the refrigerant enthalp...
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WO/1988/000676A1 |
An air-conditioning system which provides a controlled temperature and humidity environment. The system includes two indoor heat exchangers (5, 10), one outdoor heat exchanger (2), a four-way valve (8) and a compressor (1). Each heat exc...
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WO/1985/001097A1 |
A sealed, pressurized thermal storage system (20) which uses ice as the static thermal storage medium. The system is applicable to diverse cooling and storage requirements such as air conditioning and other relatively large scale cooling...
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WO/1982/003449A1 |
The apparatus (10) of the invention includes a precooler (post heater) heat exchanger (24) and a subcooler heat exchanger (26) which are connected in fluid communication with the refrigerant input and output, respectively, of the condens...
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WO/1982/002588A1 |
In the circulation circuit of the working fluid of a first heat pump (1, 5, 6, 8, 10) there is arranged a second heat pump (11 to 14) so that it produces directly a cooling of the fluid. With this arrangement, owing to the second heat pu...
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JP7458771B2 |
To provide an outdoor unit which can reliably cause supercooling at the upstream side of an expansion valve even if a non-azeotropic refrigerant mixture is used.An outdoor unit 2 includes: an expansion valve 7 which expands a non-azeotro...
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JP2024030323A |
The present invention provides a refrigeration cycle and a vending machine that are configured to include an internal heat exchanger and can perform cooling and heating in just the right amount. [Solution] A refrigeration cycle according...
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JP7413875B2 |
To provide a heat exchanger 10 which improves a cooling effect of a refrigerant in a condensation part 20 by using condensate water generated in an evaporation part 22.An evaporation part 22 is arranged on an upper side in the vertical d...
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JP2024000108A |
An object of the present invention is to prevent liquid compression in a compressor while ensuring heating capacity even when the outside air temperature is particularly low. A vehicle air conditioner includes a refrigerant circuit in wh...
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JP2023161665A |
To provide a frozen confectionery manufacturing apparatus capable of suppressing fluctuation in the temperature of frozen confectionery.A frozen confectionery manufacturing apparatus includes: an evaporator 5 for manufacturing frozen con...
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JP7369030B2 |
To expand an operation applicable range of a refrigeration system while avoiding liquid return to a compressor and abnormal overheating.A refrigeration system related to one embodiment includes: a gas liquid separator having a gas phase ...
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JP7341340B2 |
The refrigeration cycle apparatus (100) includes a refrigerant circuit (10) which includes a compressor (1), a condenser (2), a supercooler (4), an expansion valve (5), and an evaporator (6), and circulates refrigerant in the order of th...
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JP7313857B2 |
To provide a fin tube heat exchanger downsized without significantly increasing design man-hours and manufacturing costs, and having improved heat exchange performance, and a transportation refrigerating device comprising the same.A fin ...
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JP2023100293A |
To provide a cooling device using a pump that can sufficiently secure the degree of supercooling of a refrigerant flowing into a pump while suppressing reduction in heat radiation capacity of a heat radiation part and entry of air bubble...
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JP2023512846A |
A temperature control device for supplying a fluid to control the temperature of at least one semiconductor wafer in a semiconductor processing chamber, the temperature control device comprising a refrigerant mixture refrigeration system...
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JP7245494B2 |
The present invention provides a manufacturing method for a suction pipe. The suction pipe comprising a first metal and a capillary pipe comprising a second metal which are spaced by a viscoelastic member having a thermal conductivity of...
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JP2023512160A |
A brazed plate heat exchanger (100) includes a plurality of first and second heat exchange plates (110, 120) having different patterns of ridges and grooves, where the ridges and grooves exchange heat with a fluid. provides contact betwe...
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JP2023512161A |
A brazed plate heat exchanger (100) includes a plurality of first and second heat exchange plates (110, 120), the first heat exchange plate (110) having a ridge (R1) and a groove (G1). A first pattern of is formed, a second pattern of ri...
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JP2023503423A |
An air-cooling module (3) for an air-cooled refrigeration cycle device (1), the desuperheater and condenser heat configured to be fluidly connected to the compression means (2) of the air-cooled refrigeration cycle device (1). desuperhea...
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JP7165405B2 |
Provided are a refrigerant liquefier and a refrigeration cycle having improved efficiency and a reduced size.　The refrigerant liquefier is provided with a vortex flow generation element 120 for forming a vortex flow on an entrance side...
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JP7156413B2 |
A double pipe forms an inner flow path, through which a low-pressure side refrigerant flows, inside an inner pipe, and forms an inner-outer flow path, through which a high-pressure side refrigerant flows, between the outer pipe and the i...
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JP7092997B2 |
A decrease in the heating capacity for a fluid to be heated in a radiator is prevented by thermal conduction via a joint portion between an economizer and the radiator in an integral heat exchanger.A heat pump system (1) includes a refri...
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JP7057710B2 |
To provide a cooling system for an electronic device that can improve cooling efficiency while restraining an increase in size.A cooling system is a cooling system for cooling an electronic device, and comprises a heat pump cycle for cir...
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JP7021582B2 |
To provide a cooling device that can improve cooling capacity for a cooling load while restraining an increase in size of the device.A cooling device 100 comprises: a high-temperature side circuit 101 formed by connecting a compressor 10...
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JP7005172B2 |
An air conditioner is provided, which is capable of accurately determining appropriateness of a refrigerant amount in a refrigerating cycle. A control apparatus is configured to: stop a cooling operation; set an expansion valve to a full...
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JP6985101B2 |
A test chamber for conditioning air has a temperature-insulated test space sealable against an environment for receiving test materials and a temperature control device for controlling the temperature of the test space, a temperature ran...
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JP6978242B2 |
To provide a refrigerant circuit device capable of improving thermal efficiency of a refrigerant and supplying hot water with a higher temperature.A refrigerant circuit device includes: a compressor 1 for compressing a refrigerant; a hot...
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JP6958019B2 |
To make evaporation temperature constant in a low-temperature cold water device 100 including a compressor 1A, a condenser 1B, an electronic expansion valve 5 and an evaporator 7.A low-temperature cold water device 100 includes an openin...
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JP6945722B2 |
An air conditioner (100) is provided with a refrigerant circuit (RC), a refrigerant, an electrical component (20), and a heat pipe (10). The refrigerant circuit (RC) has: a compressor (1), a condenser, a flow rate regulating valve (4); a...
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