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WO/2021/065115A1 |
In the present invention, a heat source control unit (14) transmits a drive permission signal (SE) to a usage control unit (18) if a compression element (20) can be driven. The usage control unit (18) brings a usage expansion valve (71) ...
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WO/2021/065111A1 |
This heat source unit constitutes a refrigerant circuit (6) which is connected to use circuits (51, 61) respectively having a first use unit (60) and a second user unit (50) which have different vaporization temperatures and performs a r...
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WO/2021/065118A1 |
A refrigeration device (1) in which a heat source unit (10) and a utilization unit (50) are connected to operate in a refrigeration cycle in which the high pressure of a refrigerant becomes equal to or higher than a critical pressure, sa...
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WO/2021/065913A1 |
The present invention provides an evaporator of a refrigeration cycle device in which a non-azeotropic mixed refrigerant is sealed, such that the frost resistance and heat exchange performance can be improved. If the notch opening side i...
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WO/2021/065944A1 |
This air conditioning apparatus (1) comprises a first circuit (C1) and a second circuit (C2), and is used for cooling. The first circuit (C1) has an outdoor heat exchanger (12) that cools a first refrigerant by means of outdoor air. The ...
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WO/2021/065117A1 |
This refrigeration device (1) comprises a gas-liquid separation device (15) on the downstream side of a radiator and a refrigerant circuit (6) in which the high pressure of a refrigeration cycle is equal to or higher than a critical pres...
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WO/2021/067637A1 |
A heating, ventilation, and/or air conditioning (HVAC) system (10) includes a compressor (32) having an impeller (200) configured to rotate and drive a working fluid through a working fluid circuit (152) of the HVAC system (10) in an act...
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WO/2021/065677A1 |
Provided is an air conditioner (1) which is configured so as to enable simultaneous cooling and heating operation and equipped with a plurality of heat source side heat exchangers (81, 82) and a plurality of user side units (101a, 101b, ...
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WO/2021/067478A1 |
A heat transfer circuit includes a compressor, a condenser, an expander, and an evaporator. The compressor includes a shaft that is rotated to compress a working fluid and a gas bearing to support the shaft. A conduit is configured to su...
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WO/2021/065186A1 |
The present invention improves the efficiency during cooling operation in an air conditioner when the efficiency during cooling operation deteriorates as a result of using an ejector at the time of pressure loss in refrigerant piping or ...
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WO/2021/065093A1 |
This information processing device executes a first estimation process of estimating information on power consumption when a first air conditioner installed in a predetermined location is operated in a predetermined state, on the basis o...
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WO/2021/064908A1 |
A refrigeration cycle device comprising a refrigerant circuit (100) through which a refrigerant containing halogenated hydrocarbon circulates, the refrigeration cycle device being characterized in that the halogenated hydrocarbon has no ...
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WO/2021/065116A1 |
A heat source-side circuit (11) of a heat source unit (10) is provided with: a compression unit (20) having a low-stage compression element (23) and a high-stage compression element (21); an intermediate heat exchanger (17) provided betw...
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WO/2021/065678A1 |
According to the present invention, a heat source-side heat exchanger that functions as an evaporator is divided so that the heat source-side heat exchanger functions as an intermediate cooler as well. When this air conditioner is provid...
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WO/2021/065600A1 |
[Problem] To minimize equipment costs and operating costs. [Solution] A method in which a heat medium is made to circulate between flow sections for the heat medium and a heat medium supply means in a heat medium utilization device 1, a ...
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WO/2021/059635A1 |
In a first refrigeration cycle and a second refrigeration cycle, a refrigerant circuit (6) has: an intermediate flow path (41) that introduces a refrigerant into an intermediate pressure portion (21a) between a first compression portion ...
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WO/2021/059389A1 |
An electric motor control device (100) drives a motor (3) circulating a refrigerant, and comprises: a refrigerant temperature detection unit (7) that detects a temperature indicating the state of the refrigerant; a pre-drive determinatio...
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WO/2021/059930A1 |
A refrigeration cycle device including a refrigerant which is R466A, a compressor (5) which compresses the refrigerant, and a refrigerating-machine oil which includes a base oil comprising a polyol ester and lubricates the compressor (5)...
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WO/2021/058255A1 |
A trans-critical thermodynamic system (100) includes an expansion device (102) and a separator (104). The expansion device (102) receives a supercritical fluid (128) containing solutes (134). The expansion device (102) is operable to exp...
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WO/2021/058193A1 |
A method for controlling a vapour compression system (1) is disclosed. The vapour compression system (1) comprises an ejector (4), and has a non-return valve (11) arranged in the refrigerant path between an outlet (12) of an evaporator (...
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WO/2021/055218A1 |
The present disclosure provides a refrigeration system. The system includes an evaporator unit having a housing configured to receive the refrigerant and an air inlet port configured to receive air. A porous material is disposed within t...
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WO/2021/052332A1 |
Provided is a wind-and-water-cooled integrated refrigeration system, which comprises a wind-cooled condenser (12) and a water-cooled condenser (11). By heating the tap water input from the end of the water-cooled condenser (11) with the ...
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WO/2021/054042A1 |
The purpose of the present invention is to realize heating by efficient waste heat recovery and a simplified determination reference, in a vehicle air conditioner configured to use recovered waste heat from heat-generating devices instal...
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WO/2021/051699A1 |
Disclosed in the present invention are a zero-load output non-stop control method and apparats, and a unit. The apparatus comprises: a three-way valve, provided at an exhaust port of a compressor; a mixing tank, provided between an air s...
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WO/2021/054463A1 |
According to the present invention, an air-conditioning device (1) comprises a compressor (11), a first heat exchanger (14), an expansion valve (16), and a second heat exchanger (17). The air-conditioning device (1) circulates a refriger...
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WO/2021/051194A1 |
A refrigeration system, according to the present invention, has a standard refrigeration circuit, with a condenser connected to a low temperature evaporator and a medium temperature evaporator by a high-pressure liquid line, which are in...
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WO/2021/052331A1 |
The present utility model relates to the field of refrigeration and, in particular, to a small-sized refrigeration apparatus with a heat recovery function. In the embodiment of the present utility model, a plate-type heat exchanger is us...
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WO/2021/054043A1 |
The objective of the present invention is to provide a vehicle air conditioning device with which it is possible for the heating efficiency of a vehicle interior to be improved effectively by making more effective use of waste heat from ...
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WO/2021/053924A1 |
An air conditioner according to one embodiment carries out a heating operation and a cooling operation; carries out a cooling/heating mixed operation in which a higher priority is given to cooling by causing a portion of exhaust gas to f...
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WO/2021/053820A1 |
An air conditioner comprising a compressor, an indoor heat exchanger, and an outdoor heat exchanger, wherein: the outdoor heat exchanger includes first and second heat exchangers; a controller serves to perform a heating operation, in wh...
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WO/2021/050464A1 |
A refrigeration system includes a compressor connected to a first heat exchanger and a second heat exchanger. An expansion device is connected between the first heat exchanger and the second heat exchanger. A ratio of a volume of the fir...
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WO/2021/048905A1 |
An outdoor unit (2) is provided with: a first flow path (F1); a second flow path (F2); and a control device (100). A compressor (10) and a condenser (20) are arranged in order from a refrigerant inlet port (PI2) toward a refrigerant outl...
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WO/2021/048943A1 |
Provided are: a heat exchanger having a refrigerant distributor that distributes a refrigerant; and an air conditioner. This heat exchanger has an upper path, a lower path provided below the upper path, and the refrigerant distributor th...
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WO/2021/049339A1 |
This heat exchange module includes a cooling-side heat exchange part (22), air conditioning-side heat exchange parts (24, 25), blowers (23, 26), and a case (21). The cooling-side heat exchange part performs heat exchange between cooling ...
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WO/2021/048897A1 |
A refrigeration cycle device (100), wherein a non-azeotropic mixed refrigerant circulates. The refrigeration cycle device (100) comprises a compressor (1), a first heat exchanger (2), an expansion valve (3), a second heat exchanger (4), ...
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WO/2021/048898A1 |
In the present invention, the flow path from a compressor (10) to a condenser (20), the first passage (H1) of a heat exchanger (30), and a second expansion valve (40), together with a load device (3), forms a circulation flow path throug...
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WO/2021/048899A1 |
In the present invention, an injection circuit is configured so as to cause some of the refrigerant output from a condenser (20) to return to a compressor (10) without passing through a load unit (3). An expansion valve (70) is provided ...
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WO/2021/049340A1 |
The purpose of the present disclosure is to provide a vehicular heat exchange system capable of simplifying a configuration while being capable of cooling a heating element and air-conditioning a vehicle interior. The vehicular heat ex...
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WO/2021/047125A1 |
Disclosed is a reverse single-working-medium steam combined cycle, belonging to the technical field of thermodynamics, refrigeration and heat pumps. The reverse single-working-medium steam combined cycle refers to, on a working medium co...
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WO/2021/050859A1 |
An air conditioning system includes a main circuit having a multi-stage compressor, a condenser, a throttling element and an evaporator connected by pipelines; and a cooling branch, the inlet of which is connected to the main circuit bet...
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WO/2021/048900A1 |
An outdoor unit (2) is provided with: a first flow path (F1); a second flow path (F2); a third flow path (F3); and an opening/closing valve (78). The first flow path (F1) stretches from a refrigerant inlet port (PI2) to a refrigerant out...
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WO/2021/048901A1 |
An outdoor unit (2) is provided with: a first flow channel (F1); a second flow channel (F2); a second expansion device (71), a liquid receiver (73), and a flow-regulating valve (72) positioned in the second flow channel (F2) in order fro...
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WO/2021/044507A1 |
This refrigeration cycle device is provided with: a refrigerant circuit obtained by connecting a compressor, a condenser, a depressurization device, and an evaporator via a refrigerant piping; and a control device for acquiring a require...
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WO/2021/044547A1 |
A compressor unit (20) comprises a first case (20a), a first compressor (21), a cascade heat exchanger (24), a second compressor (25), a first connection port (23), and a second connection port (28). The first compressor (21) and the cas...
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WO/2021/044613A1 |
The refrigeration cycle device according to an embodiment of the invention has a refrigerant flow path. The refrigerant flow path causes the refrigerant to circulate through a compressor, a condenser, an expansion device, and an evaporat...
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WO/2021/044873A1 |
The purpose of the present invention is to provide a vehicle air conditioner that improves air conditioning performance while in a dehumidifying/cooling mode and that can contribute to saving energy. An air conditioning controller (32) c...
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WO/2021/044575A1 |
The cooling device comprises a cooling jacket (101) that houses cooling fluid. The cooling jacket (101) is provided with a fixing portion (102) to which an element (107) to be cooled is fixed. The cooling device is also provided with an ...
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WO/2021/044886A1 |
Provided is a refrigeration cycle device having excellent safety that can prevent water in a water heat exchanger from freezing. A water heat exchange unit has a water heat exchanger and a pump for circulating water between a water flo...
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WO/2021/044548A1 |
A compressor unit (20) comprises a first case (20a), a compressor (21), a connection port (60), and a shutoff valve (67). The connection port (60) includes a first connection port (23) and a second connection port (28). The shutoff valve...
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WO/2021/039087A1 |
A heat source unit (10) constitutes a refrigeration device (1) by being connected to utilization units (50, 60). The heat source unit (10) comprises a low-stage compression element (22, 23), a high-stage compression element (21), and a h...
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