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WO/2021/117141A1 |
This heat pump apparatus is provided with a refrigerant circuit having: a compressor that compresses a refrigerant; a heating heat exchanger that exchanges heat between a heat medium and a high-pressure refrigerant compressed by the comp...
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WO/2021/116177A1 |
The invention relates to a refrigeration unit (1) comprising an evaporator (3) for evaporating the refrigerant, a suction funnel (6), a compressor (2) and a condenser (4), the suction funnel (6) collecting evaporated refrigerant and feed...
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WO/2021/117231A1 |
The air-conditioning device according to the present invention comprises: a compressor; an indoor heat exchanger; a first outdoor heat exchanger and a second outdoor heat exchanger connected in parallel between the compressor and the ind...
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WO/2021/109296A1 |
Disclosed are a variable-frequency transmission cooling system, an apparatus in which a frequency converter is applied, and a cooling control method. The system comprises: a frequency converter cooling flow path, which comprises a first ...
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WO/2021/112504A1 |
The present invention relates to a heat exchange system, the heat exchange system according to the present invention comprising: a pump or compressor (100) for pressurizing a working fluid; a first heat exchanger (200) to which the worki...
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WO/2021/113423A1 |
Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages that utilize a pump to optimize operation of the ejector and eliminate the need for a compressor between the evaporation stages.
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WO/2021/111605A1 |
A refrigeration cycle device (100), wherein a refrigerant circulates. The refrigeration cycle device (100) comprises a compressor (1), a first heat exchanger (2), a second heat exchanger (6), a first receiver (31), a second receiver (32)...
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WO/2021/112105A1 |
In this sealed refrigerant compressor, a thrust bearing (for example, a thrust ball bearing (210)) is provided on a thrust surface (136) of a main bearing (134). In the sliding surface of the main bearing (134), an end section on a compr...
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WO/2021/111561A1 |
An outdoor unit (2) comprises a first flow path (F1), a second flow path (F2), stand-up piping (71), a flow rate adjustment device (73), a refrigerant heating device (75), a dryness increase device (150), a temperature sensor (122), and ...
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WO/2021/111624A1 |
This showcase has: a refrigerant circuit in which a compressor, a condenser, a throttle device, and an evaporator are connected by piping and through which a refrigerant circulates; a blower that supplies air to the condenser; a pressure...
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WO/2021/106193A1 |
This air-conditioning system comprises: a heat source unit that has a compressor, a flow path switching valve, and a heat source side heat exchanger; a plurality of indoor units that has indoor side heat exchangers; a relay unit that has...
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WO/2021/106084A1 |
The purpose of the present invention is to provide a refrigeration cycle device that can achieve both higher cooling capacity and higher heating capacity. A refrigeration cycle device (1) is equipped with a high-order side refrigerant ci...
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WO/2021/106793A1 |
Provided is a refrigerant cycle system with which it is possible to minimize the amount of leakage of a refrigerant. An air conditioning device (1), wherein the air conditioning device (1) is provided with: an outdoor unit (2) having an ...
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WO/2021/106161A1 |
A cold heat source system (100) is configured so as to be connected to a load device (101) that includes a first evaporator (160) and a second evaporator (260). The cold heat source system (100) comprises: a first compressor (110) that i...
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WO/2021/100409A1 |
This refrigeration cycle device is provided with a compressor (11), an upstream branching part (12a, 121, 122, 123), a heating unit (13, 30, 30a, 133), decompression units (14a, 14b, 14c), a bypass path (21a), a bypass flow rate adjustin...
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WO/2021/100073A1 |
This outdoor unit 20 for an air conditioning device 1 comprises: an outdoor heat exchanger 40 that performs heat exchange between outdoor air and a refrigerant; a compressor 42 that takes in, compresses, and discharges the refrigerant; a...
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WO/2021/098423A1 |
A crankshaft (100), comprising: a first shaft (110), a second shaft (130), a first crank arm (120), a second crank arm (140) and a recess portion (121). The first crank arm (120) is provided at one end of the first shaft (110), a first o...
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WO/2021/095237A1 |
A cold heat source unit (100) is provided with a compressor (1) and a control device (30) which controls the compressor (1). If an overload has been detected in the compressor (1), then, after stopping the compressor for a first period o...
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WO/2021/096905A1 |
A compressor according to an exemplary aspect of the present disclosure includes, among other things, a mixed compression stage having both axial and radial components arranged along a main flow path, and a radial compression stage havin...
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WO/2021/095116A1 |
A refrigeration cycle device (100) comprises a second receiver (32), a bypass section (70), a separation mechanism (60), and a control device (10). The separation mechanism (60) guides part of the refrigerant from a first receiver (31) t...
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WO/2021/095422A1 |
A control device (C) that controls a refrigerant circuit (11) and a blower (52) and performs a first operation and a second operation. The first operation generates condensation or ice, using a usage heat exchanger (53) as an evaporator....
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WO/2021/095117A1 |
A refrigeration cycle device (100) that comprises a refrigerant circuit that includes a compressor (1), a condenser (2), an expansion valve (3), and an evaporator (4) and has refrigerant circulating therein. The refrigerant circuit also ...
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WO/2021/095338A1 |
A refrigeration cycle device (10) comprises a compressor (11, 11a), an air-conditioning evaporator (18), an air-conditioning flow rate adjustment unit (14b, 14bt, 15c), a cooling evaporator (19, 52a, 55), a cooling flow rate adjustment u...
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WO/2021/095115A1 |
An outdoor unit (2) comprises a first flow path (F1), a second flow path (F2), and a notification device (101). A compressor (10) and a condenser (20) are arranged in the first flow path (F1). The second flow path (F2) branches off from ...
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WO/2021/086196A1 |
Heat pump (800) for supplying heat to an external process having a closed loop conduit carrying CO 2 as refrigerant, exhibiting a compressor (801), a downstream gas cooler (206), an external heat exchanger (802) downstream of gas cooler ...
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WO/2021/084744A1 |
A compressor (1), including an intake port (Pts), a discharge port (Ptd), a compression mechanism (60), a first injection port (Pj1), and a second injection port (Pj2). The compression mechanism (60) compresses a refrigerant from the int...
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WO/2021/085330A1 |
In this invention, an air-conditioning device comprises a refrigerant circuit, a suction temperature sensor, and a control unit. The refrigerant circuit is configured by a compressor, a radiator, an expansion valve, an evaporator, and an...
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WO/2021/084740A1 |
[Problem] To improve thermal efficiency. [Solution] Provided is an integrated valve (10) in which an upper body (11A) is formed by fitting a double-cylinder component (65) having a gas-liquid separation chamber (12) inside in the upper s...
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WO/2021/084569A1 |
[Problem] To remove foreign matter dissolved in refrigeration oil without lowering the operating efficiency of an air conditioner. [Solution] The present invention comprises: a recessed reservoir that is connected to the gas flow path of...
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WO/2021/084743A1 |
In a refrigeration cycle device (100), a refrigerant circulates in the following order: a compressor (1), a first heat exchanger (2), a second heat exchanger (3), a first expansion valve (5), and a third heat exchanger (4). The refrigera...
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WO/2021/072993A1 |
Disclosed is a single-working-medium combined cycle heat pump device, belonging to the technical field of refrigeration and heat pumps. A compressor (1) is divided into two paths after being in communication with a heat supplier (6) by m...
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WO/2021/074993A1 |
A showcase equipped with: a refrigerant circuit in which a compressor, a condenser, a metering device and an evaporator are connected by piping and through which a refrigerant circulates; a housing having a storage chamber formed therein...
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WO/2021/075075A1 |
The refrigeration cycle device according to the present disclosure is provided with a refrigeration circuit including a compressor, an outdoor heat exchanger, an indoor heat exchanger, and an expansion valve, a refrigerant being sealed i...
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WO/2021/075068A1 |
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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WO/2021/074841A1 |
An air conditioning apparatus (1) for recreational vehicles comprises a refrigeration circuit for circulating a refrigerant fluid, said refrigeration circuit including: a condenser (2), an expansion valve (3), an evaporator (4), in heat ...
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WO/2021/075181A1 |
This refrigeration cycle device has a refrigeration cycle (10a), an outdoor heat exchanger (16, 16a, 16b), a cooling necessity determination unit (60f), a determination reference setting unit (60g), and a cooling control unit (60h). The ...
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WO/2021/070314A1 |
A refrigeration cycle device (100), wherein an air blower (5) forms an air flow (Wd1) that passes from a second port (P2) to a first port (P1) in that order and from a fourth port (P4) to a third port (P3) in that order. A non-azeotropic...
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WO/2021/070287A1 |
The present invention is provided with: a battery frame (3) that is attached to a floor rear surface (21) of a vehicle body (2) and that contacts and supports a battery (4); and a refrigerant circulator (5) that circulates a liquid refri...
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WO/2021/070808A1 |
[Problem] To provide a cooling device capable of appropriately adjusting the flow rate of a refrigerant while keeping the product cost low. [Solution] A cooling device (10) comprises: an expansion device (14) that expands a refrigerant; ...
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WO/2021/070806A1 |
A hydrogen cooling device according to an embodiment of the present invention is provided with: a two-dimensional refrigerating unit 1 including a high-temperature side refrigerator 100 and a low-temperature side refrigerator 200; and a ...
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WO/2021/071819A1 |
This disclosure relates to a compressor having at least two compression stages. In particular, an exemplary compressor includes a first radial compression stage arranged along an axis, a second radial compression stage arranged along the...
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WO/2021/070758A1 |
This refrigerator comprises: a refrigeration cycle which cools a storage room for storing goods; a control device (201) which controls the refrigeration cycle; temperature sensors (202, 203) which measure the air temperature in the stora...
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WO/2021/065914A1 |
A freezing apparatus according to the present invention sets a volume ratio between an outdoor heat exchanger and an indoor heat exchanger to a volume ratio suited for an HFO-based refrigerant, and suppresses an excess or deficiency of t...
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WO/2021/065112A1 |
This heat source unit is connectable to an existing pipe or to an existing use unit (50, 60) and constitutes a refrigerant circuit (6) that is filled with carbon dioxide as a refrigerant. The heat source unit is provided with: a pressure...
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WO/2021/065114A1 |
According to the present invention, a heat source control unit (14) performs a first operation when a compressive element (2) is in a stopped state and when the pressure (RP) inside a receiver (41) exceeds a predetermined first pressure ...
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WO/2021/065730A1 |
In this refrigeration cycle device, a large amount of refrigerant flowing from a heat exchanger in which the pressure of the refrigerant is high to a suction side of a container or a compressor in which the pressure is low is suppressed ...
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WO/2021/065113A1 |
A refrigerant circuit (100) has: a liquid passage (P1) which connects a receiver (41) and a utilization heat exchanger (70); and a first expansion valve (V1) provided to the liquid passage (P1). When a compression element (20) is in a st...
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WO/2021/065213A1 |
The present invention improves operability during work associated with communication pipes in a refrigeration cycle device. A first communication flow path (50) connects a heat source unit (10) and a first usage unit (31), and channels a...
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WO/2021/065943A1 |
According to the present invention, heat source-side cycles and load-side cycles share heat exchangers (41, 42) which are cascade-connected. The sum of the number of the heat source-side cycles and the number of the load-side cycles is t...
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WO/2021/065156A1 |
A heat source unit (10) that comprises a heat source circuit (11) and is connected to a usage unit (50), thereby constituting a refrigeration circuit (2) that performs refrigeration cycles. The heat source unit (10) has: a switching mech...
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