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WO/2013/079382A1 |
The present invention relates to a method for deicing a heat exchanger (4), built into an air-conditioning loop (A) through which a coolant flows, by means of thermally connecting same to a heat control loop (B) in which a heat-transport...
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WO/2013/078088A1 |
A C02 refrigeration system has an LT system with LT compressors and LT evaporators, and an MT system with MT compressors and MT evaporators, operating in a refrigeration mode and a defrost mode using C02 hot gas discharge from the MT and...
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WO/2013/077167A1 |
The purpose of the present invention is to provide a defrosting operation method for heat pump systems which avoids as much as possible two or more heat pumps performing defrosting operation simultaneously, and which can prevent the wate...
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WO/2013/077136A1 |
A heat exchanger for preventing freezing (25), which is capable of heating the bottom side of an outdoor heat exchanger (23) using a portion of a compressed refrigerant in a compression mechanism (21), is provided to an air conditioner (...
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WO/2013/073063A1 |
Provided is a refrigerating apparatus wherein suitable oil quantity control is performed. A refrigerating apparatus (1) is provided with a cooling medium circuit (10), which performs refrigeration cycle operations using carbon dioxide as...
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WO/2013/065233A1 |
A three-way valve (switching device) (42) is provided between an intake tube of a compressor (6) and a four-way valve (8), making possible a switch between a tube (25) draining refrigerant directly from the four-way valve (8) into the in...
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WO/2013/061473A1 |
Provided is a hot-water supply and air-conditioning device with which the overall system efficiency is improved with a simple configuration. The present invention is equipped with: a hot-water supply refrigerant circuit (20), in which a ...
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WO/2013/061829A1 |
A first heat exchanger (4), a desiccant block (7), and a second heat exchanger (6) are disposed in series. A dehumidification operation alternately repeats a first operating mode in which the first heat exchanger (4) operates as a conden...
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WO/2013/051177A1 |
Provided is an outdoor machine capable of reliably melting frost and ice generated between an outdoor heat exchanger and a drain pan, without reducing the amount of air flowing to the heat exchanger.　The outdoor machine comprises at le...
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WO/2013/051166A1 |
A refrigeration cycle device configuring a cooling cycle circuit wherein a compressor (21), a condenser such as an indoor machine heat exchanger (22), a first expansion means (24), and an evaporator such as an outdoor machine heat exchan...
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WO/2013/043391A2 |
A heat exchanger includes an inner tube extending along a central axis, an array of a plurality of heat transfer members mounted to the inner tube, and a plurality of outer tubes disposed radially outward of and in parallel relationship ...
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WO/2013/027757A1 |
According to a combined binary refrigeration cycle apparatus of the present invention, two high temperature side refrigerating circuits (R1a, R1b), which comprise water-refrigerant heat exchangers (2A, 2B) which perform heat exchange bet...
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WO/2013/027907A1 |
The present invention relates to a heat pump system in which second and third heat exchangers, which are spaced apart from each other in an air-cooled heat exchanger, exchange heat by means of an air-cooling method using an air blower (o...
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WO/2013/017572A1 |
The heat pump operates from a cold source (A) and comprises at least two exchange systems (12, 12') with the cycle fluid mounted in parallel, each system comprising a first zone (Z1, Z1') designed for subcooling of the cycle fluid and a ...
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WO/2013/013973A1 |
The invention relates to a refrigeration device, in particular a household refrigeration device, having a storage compartment (3) and a refrigerant circuit, which comprises a compressor (8) for driving the refrigerant, a condenser (9) an...
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WO/2013/012523A1 |
A method of defrosting a transcritical vapor compression system having a compressor for compressing a refrigerant, a first heat exchanger for cooling the refrigerant during a cooling mode, an expansion valve for decreasing the pressure o...
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WO/2013/008365A1 |
An air-conditioning device (100) provided with the following: an outdoor unit (1) containing a compressor (10), a first refrigerant-path switching device (11), and a heat-source-side heat exchanger (12); a heat-medium exchanger (3) conta...
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WO/2013/007628A1 |
Disclosed is a system for and a method of reducing and/or avoiding ice formation inside a cooling space (41) of a refrigerated transport container (1) comprising at least a cooling unit (40) and an evaporator (16) located in the cooling ...
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WO/2013/008278A1 |
An air-conditioning device (100) provided with the following: an outdoor unit (1) containing a compressor (10), a first refrigerant-path switching device (11), and a heat-source-side heat exchanger (12); a heat-medium exchanger (3) conta...
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WO/2013/006424A2 |
In accordance with an embodiment of the invention, there is provided a method of warming a heat exchanger array of a very low temperature refrigeration system, the method comprising diverting at least a portion of refrigerant flow in the...
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WO/2013/004974A1 |
The invention relates to a method for balancing lubricant levels in a multi-stage compression unit (20) of a heat exchange system (1), said compression unit comprising a first compressor (23) and a second compressor (24) arranged in seri...
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WO/2013/006172A1 |
A method of refrigeration control through a refrigeration system of a refrigerated transport container includes performing a defrost cycle on the refrigeration system by activating a heat source; and restarting the refrigeration system a...
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WO/2013/001976A1 |
An air conditioner (1) is provided with a flow path mechanism (26) used for defrosting. The air conditioner (1) performs a heating-defrost operation whereby the refrigerant transmitted from an indoor heat exchanger (41) to an outdoor hea...
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WO/2012/174093A2 |
A condenser evaporator system includes: a condenser constructed for condensing a gaseous refrigerant from the source of compressed gaseous refrigerant; a controlled pressure receiver for holding liquid refrigerant; a first liquid refrige...
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WO/2012/169764A2 |
The present invention relates to an air conditioner in an electric vehicle, and more particularly to an air conditioner in an electric vehicle, which can make continuous heating operation even in defrosting operation, can enhance heating...
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WO/2012/168971A1 |
In order to provide a refrigeration air-conditioning device with which it is possible to perform an outdoor heat exchanger defrosting operation while continuing a heating operation when the heating is being performed with the air in a co...
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WO/2012/161457A2 |
The present invention relates to a heat pump system, and more specifically, to hot water generation of an air heat source type heat pump system, and a defrosting and cooling structure of an outdoor heat exchanger, for simplifying the str...
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WO/2012/161447A2 |
The present invention relates to a heat pump system, and more specifically, to a defrosting and cooling structure of an outdoor heat exchanger of an air heat source type heat pump system, for simplifying the structure of a heat storage t...
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WO/2012/161446A2 |
The present invention relates to a heat pump system, and more specifically, to a defrosting and cooling structure of an outdoor heat exchanger of an air heat source type heat pump system, for increasing the efficiency of use of a costles...
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WO/2012/161456A2 |
The present invention relates to a heat pump system, and more specifically, to hot water generation of an air heat source type heat pump system, and a defrosting and cooling structure of an outdoor heat exchanger, for increasing the effi...
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WO/2012/139429A1 |
A defrosting and frequency variable heat pump/air conditioning apparatus comprises an indoor machine (20) and an outdoor machine (10), with the outdoor machine (10) comprising a condenser (1), a fan (2), a four way switching valve (3), a...
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WO/2012/141521A2 |
The present invention relates to a measurement apparatus which can measure wind pressure, and particularly to an apparatus for detecting bi-directional wind pressure, wherein the wind pressure sensor is installed respectively in ports in...
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WO/2012/108240A1 |
Provided is an air conditioning device for a vehicle, configured so that frost does not form on the heat absorber even in an environment in which the temperature outside the vehicle interior is low. In a dehumidifying heating operation, ...
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WO/2012/070082A1 |
A heat pump hot-water supply device (100) executes a reverse defrosting operation by leading a discharged refrigerant from a compressor (1) to a path (31) other than a path (33) located at the lowermost stage of an evaporator (13), and, ...
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WO/2012/066895A1 |
Provided is an air conditioner in which an out-door heat exchanger can be defrosted while continuing the air warming operation. In the air conditioner (300), a flow path switching valve (51) has a switching mechanism for switching to any...
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WO/2012/058844A1 |
An evaporator (500) and refrigerating system with said evaporator (500) are provided. The evaporator includes: a first collecting pipe (501), a second collecting pipe (502), heat exchanging pipes (503), fins (504), and a defrosting pipe ...
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WO/2012/056824A1 |
An air conditioner provided with a compressor (21) which operates the refrigeration cycle, an indoor heat exchanger (13) which exchanges heat with indoor air, and an outdoor heat exchanger (23) which exchanges heat with outdoor air. The ...
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WO/2012/049702A1 |
Provided is an air conditioner which employs a freeze-proof heat medium and has improved safety. The air conditioner (100) employs, as a heat-source-side refrigerant, a non-azeotropic refrigerant mixture having a saturated-liquid refrige...
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WO/2012/046947A1 |
The present invention relates to a heat pump outdoor unit that is capable of performing defrosting and heating at the same time, and more particularly, to a heat pump outdoor unit having two rows of coils of a dual pipe structure and an ...
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WO/2012/046528A1 |
An air conditioner (1) provided with: a compressor (21) for operating the refrigeration cycle; an outdoor heat exchanger (23) disposed outdoors; an indoor heat exchanger (13) disposed indoors; an outdoor fan (25) for supplying outdoor ai...
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WO/2012/043297A1 |
A binary refrigeration cycle is formed from a low temperature-side refrigeration cycle (Rb) requiring a four-way switching valve (11) and a high temperature-side refrigeration cycle (Ra) not requiring the four-way switching valve (11), a...
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WO/2012/042687A1 |
A heat storage device for storing heat generated by a compressor, the heat storage device comprising: a heat storage tank (32) for containing a heat storage material for storing heat generated by the compressor; and a heat storage heat e...
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WO/2012/042692A1 |
A refrigeration cycle device is configured such that, during defrosting operation, discharged refrigerant from a compressor (6) is guided to an external heat-exchanger (14), and refrigerant which has been guided to a thermal-storage heat...
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WO/2012/043379A1 |
A hot-water pipe (H) is piped to a water heat exchanger (3) of a high-temperature side refrigerating cycle (Ra) and water or hot-water is heated to a predetermined temperature. A second expanding device (12) is provided at a midway porti...
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WO/2012/032680A1 |
A refrigeration cycle apparatus comprises: a compressor (6), an indoor heat exchanger (16), an expansion valve (12), and an outdoor heat exchanger (14) which are connected by refrigerant tubes; and a thermal storage device (50) which inc...
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WO/2012/032682A1 |
The present invention provides an air conditioning apparatus which is provided with an outdoor heat exchanger (14), an indoor heat exchanger (16), a four-way valve (8) and a compressor (6), and frost which attaches to the outdoor heat ex...
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WO/2012/032681A1 |
Provided is an air conditioner comprising an outdoor heat exchanger (14), an indoor heat exchanger (16), a four-way valve (8), and a compressor (6), and the outdoor heat exchanger (14) is defrosted using a refrigerant heated by the compr...
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WO/2012/014345A1 |
This heat pump comprises a first bypass pipe (6) and a second bypass pipe (40). One end of the first bypass pipe (6) is connected to a main pipe (5) connecting a compressor (1) to an indoor heat exchanger (2), and the other end of the fi...
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WO/2012/011688A2 |
The present invention relates to an alternating type heat pump that has first to third rows of outdoor unit coils adapted to selectively perform the functions of an evaporator and a condenser in accordance with the outdoor conditions and...
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WO/2012/003703A1 |
A heat exchange equipment and a cooling system with the heat exchange equipment, in which the heat exchange equipment includes a heat exchanger and a refrigerating medium flowing direction changing unit connected with the heat exchanger....
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