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JP2020201012A |
To reduce a filling refrigerant amount of a refrigerant cycle system.A refrigerant cycle system 100 includes: a primary side cycle 20 for circulating a first fluid; a secondary side cycle 40 for circulating a second fluid; and a cascade ...
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JP2020190377A |
To improve operation efficiency of a whole device.A plurality of utilization side units (20) are connected in parallel to a heat source side unit (10). The heat source side unit (10) comprises a heat source side circuit (11). The heat so...
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JP2020533555A |
The present invention relates to a method of adjusting the air in a laboratory test space, which is useful for receiving test materials, can be sealed to the environment, and is insulated, and the laboratory. Temperatures in the temperat...
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JP2020176829A |
To solve a problem that there are needs for a refrigeration system used for an ultra-low temperature freezer operated at relatively high efficiency and enabling a cooling/storage space of the freezer to be maximized.A refrigeration syste...
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JP6758485B2 |
A refrigeration cycle apparatus includes: a first refrigerant circuit including a first compressor, an oil separator, a first heat exchanger that functions as a condenser, a first refrigerant flow passage of a second heat exchanger, a fi...
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JP2020139728A |
To provide a temperature chamber and a method for conditioning air.The temperature chamber comprises: a temperature-insulated space which can be closed off from the surroundings and which serves to receive test material; and a temperatur...
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JP2020525745A |
Disclosing a Cascade Refrigeration System, the Cascade Refrigeration System comprises a plurality of refrigeration units, each refrigerating unit being a first refrigerating circuit, each comprising an evaporator and a heat exchanger. , ...
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JP2020525747A |
Disclosed the distributed refrigeration system, the present distributed refrigeration system is a plurality of first refrigeration circuits, wherein each first refrigeration circuit is provided in a refrigeration unit with a plurality of...
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JP6746566B2 |
A method for producing heating in a high temperature heat pump having a heat exchanger is provided. The method comprises extracting heat from a working fluid, thereby producing a cooled working fluid wherein said working fluid comprises ...
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JP2020125462A |
To provide a refrigerant for a cooling device that lowers temperatures down to at least -60°C in an environmentally friendly and safe manner.A refrigerant undergoes a phase transition in a heat exchanger, and is a refrigerant mixture co...
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JP6735744B2 |
A refrigeration cycle device is provided with a heat source-side unit (100), a load-side unit (200) connected to the heat source-side unit via a first connection pipe (300) and a second connection pipe (400), and a control device (50). A...
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JP6727422B2 |
A cascade refrigeration system includes a higher-stage refrigeration cycle, a lower-stage refrigeration cycle, and a cascade condenser. In the higher-stage refrigeration cycle, a higher-stage compressor, a higher-stage condenser, a highe...
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JP6723375B2 |
A refrigeration cycle apparatus includes a first refrigerant circuit including a first compressor, a first heat exchanger, a first refrigerant flow path of a second heat exchanger, a first expansion device, a third heat exchanger, and a ...
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JP2020098078A |
To provide a system capable of expanding a range of a temperature zone of fluid generated by using a second refrigerant circulating in a second refrigerant circuit provided between a first refrigerant circuit and a third refrigerant circ...
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JP6712766B2 |
To provide a binary refrigeration system enabling operation with excellent COP without generating capacity shortage, regardless of fluctuation of ambient temperature.A binary refrigeration system (1) includes: a low-stage side refrigerat...
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JP6695034B2 |
This heat pump device comprises: a first refrigeration circuit in which a first compressor, a first condenser, a first throttle means, and a first evaporator are connected in a loop and a first refrigerant is circulated; a second refrige...
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JP6695033B2 |
A heat pump device of the present invention includes a first refrigeration circuit, a second refrigeration circuit, and a controller. The first refrigeration circuit includes a first compressor, a first condenser, a first throttle tool, ...
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JP6692083B2 |
To provide a dual heat pump device that can prevent liquid return to an air conditioning compressor by absorbing a surplus of an air conditioning refrigerant, and can improve reliability of equipment.A dual heat pump device comprises: a ...
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JPWO2018235832A1 |
The heat transfer system has a refrigerant circuit and a medium circuit. The refrigerant circuit includes a refrigerant booster, an outdoor air heat exchanger, a medium heat exchanger, and a refrigerant flow path switcher, and a fluid co...
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JP6675083B2 |
To provide a binary heat pump device improved in comfort by suppressing extension of a period caused by shortage of a second refrigerant, in a defrosting operation of reverse cycle executed in a low stage-side refrigeration cycle.A binar...
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JP2020046157A |
To avoid or suppress the occurrence of uneven distribution of refrigerant to each evaporator, in a refrigeration device that distributes carbon dioxide refrigerant to a plurality of evaporators.A refrigeration device 1 comprises a low-or...
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JP6664478B2 |
A binary refrigeration device comprising: a high-order refrigeration cycle in which a high-order side compressor, a high-order side condenser, a high-order side expansion valve, and a high-order side evaporator are connected by piping an...
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JP6650062B2 |
To develop an environmental test device which consumes less electricity than an existing environmental test device does and has a testing room 3, a temperature of which makes the same temperature dropping curve as an existing curve does ...
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JP6639492B2 |
To provide an environmental testing apparatus capable of sufficiently ensuring a space in a chamber, and of carrying out an environmental test sufficiently considering various environments. An environmental testing apparatus 1 includes a...
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JP6629081B2 |
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JP6615345B2 |
A refrigeration cycle system, provided with: a dual refrigeration cycle having a high temperature-side circuit, in which a first compressor, a first heat exchanger, a condenser, a first expansion valve, and a cascade heat exchanger are c...
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JP6603394B2 |
A refrigeration device equipped with: a cascade cycle; a storage unit having a storage space for an object to be cooled by a second evaporator; an internal temperature sensor that detects the temperature of the storage space; a control u...
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JP6590363B2 |
There is prevented burning or performance deterioration of a compressor which is caused by oil confined in an evaporator of a switchable showcase, when a solenoid valve is disposed on a refrigerant downstream side of the evaporator. A sh...
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JP2019168177A |
To provide a refrigeration system which efficiently supercools a refrigerant in a supercooler of a vapor compression type refrigeration machine, can expect to depreciate installation costs in a short time, and achieves excellent economic...
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JP6559339B2 |
A heat pump system of the present invention includes: a low temperature heating side refrigerant circuit; a high temperature heating side refrigerant circuit; a first pipe to connect a low temperature side liquid supply port, a low tempe...
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JP6544517B2 |
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JP6543450B2 |
To provide a technology for achieving a refrigeration device which has a small load on a global environment and which has high energy-saving performance.A refrigeration device R1 includes a refrigerant circuit 12 in which a compressor 14...
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JP6537733B2 |
This heat pump device is provided with a first refrigerant circuit, second refrigerant circuit, heat storage circuit, and water circuit, the first refrigerant circuit has a configuration wherein a first heat exchanger, second heat exchan...
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JP6535562B2 |
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JP6529663B2 |
An exhaust heat recovery type of air-conditioning apparatus includes: an air-conditioning-side refrigerant circuit including a first flow switching device, a second flow switching device, and an exhaust-heat recovery heat exchanger conne...
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JP6526639B2 |
A heat pump arrangement including a first heat pump through which a first fluid flows, a second heat pump through which a second fluid flows, and a heat exchanger to transfer heat from the first fluid to the second fluid. The heat is tra...
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JP2019513966A |
A cascading fluid system for cooling air placed in an enclosure that is occupied or exposed by humans or other animals during normal use, (1) located in the enclosure. A first relatively cold heat transfer circuit with a first heat excha...
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JP6522156B2 |
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JP6472379B2 |
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JP2019023558A |
To provide a low-GWP working fluid having a sufficiently-high critical temperature so that a high-temperature heat pump approximates a temperature of 230°C, or can transmit a condensation temperature exceeding 230°C.There is disclosed ...
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JP6463470B2 |
This refrigeration apparatus 100 comprises: a first refrigerant circuit 50 which circulates a first refrigerant therethrough; and a second refrigerant circuit 60 which circulates a second refrigerant therethrough. The first refrigerant c...
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JP6455752B2 |
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JP6440479B2 |
To provide a nuclear reactor heat utilization system capable of improving safety as compared with a conventional technique by using minimum heat exchangers.A first pipe into which part of high-temperature gas refrigerant unloaded from a ...
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JP2018194183A |
To provide a cooling device which achieves improvement of cooling performance.A cooling device 100 according to the invention has at least a main circuit 10 including a pump 11 which supplies a refrigerant to a cooled body and a tank 12 ...
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JP2018189308A |
To provide a heating medium heating module of a binary heat pump device which prevents further temperature rise of a first refrigerant discharged from a compressor due to heat absorption by the first refrigerant from a drive part, which ...
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JP6429084B2 |
To provide: a temperature control device and a temperature control method of a wafer mounting table which have high accuracy and faster response performance without using an inline heater; and a prober.A cooling mechanism 22 comprises: a...
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JP2018179352A |
To suppress destabilization of a suction superheat of a compressor for hot water supply, in the case where heat quantity of a refrigerant for air conditioning supplied to a cascade heat exchanger increases/decreases, according to increas...
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JP6421496B2 |
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JP2018159545A |
To solve a problem that there are needs for a refrigeration system used for an ultra-low temperature freezer operated at relatively high efficiency and enabling a cooling/storage space of the freezer to be maximized.A refrigeration syste...
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JP6401251B2 |
Disclosed herein is a method for producing heating in a high temperature heat pump having a heat exchanger. The method comprises extracting heat from a working fluid, thereby producing a cooled working fluid wherein said working fluid co...
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