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WO/2011/155204A1 |
In a heat pump cycle, the same outer fins (50) are connected to refrigerant tubes (16a) of an outdoor heat exchanger (16) which functions as an evaporator which evaporates refrigerant, and to coolant tubes (43a) of a radiator (43) which ...
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WO/2011/148413A1 |
A refrigeration and air-conditioning device is provided with: a refrigeration cycle configured by connecting a compressor, a condenser, an expansion means, and an evaporator and performing cooling operation; a heating device for the evap...
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WO/2011/108237A1 |
A refrigeration cycle device having a compressor (6), an indoor heat exchanger (16), an expansion valve (12), and an outdoor heat exchanger (14), which are connected through refrigerant piping, is provided with a heat storage device for ...
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WO/2011/108019A1 |
A refrigeration cycle device having a compressor (6), an indoor heat exchanger (16), an expansion valve (12), and an outdoor heat exchanger (14), which are connected through refrigerant piping, is provided with a heat storage device for ...
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WO/2011/099061A1 |
The disclosed heat storage device is disposed so as to surround a compressor (6) and comprises: a heat storage tank (32) having a main body (46) which contains heat storing material for accumulating the heat generated by the compressor (...
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WO/2011/093080A1 |
Provided is a refrigeration device (10) which comprises: a refrigerant circuit (20) for switching between a forward-cycle cooling operation in which a refrigerant is evaporated at an evaporator (50) and a reverse-cycle defrosting operati...
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WO/2011/092802A1 |
A disclosed outdoor unit (100) is provided with a bypass circuit (120) that carries some of a refrigerant discharged from a compressor (3) towards a connection section (19) when defrosting. A control device (14) in the outdoor unit (100)...
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WO/2011/093050A1 |
Disclosed is a refrigeration cycle apparatus wherein a compressor (6), an indoor heat exchanger (16), an expansion valve (12), and an outdoor heat exchanger (14) are connected to one another by refrigerant pipes. The refrigeration cycle ...
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WO/2011/064928A1 |
A refrigeration device for a container is provided with: a refrigerant circuit (20) in which a compressor (30), a condenser (31), a main expansion valve (32), and an evaporator (33) are connected in sequence, and which comprises a hot ga...
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WO/2011/064840A1 |
Disclosed is an auxiliary heater control device which can be easily attached to a hot-water heating system having a simple water circuit structure excluding a hot-water storage tank, and which has a circulation water antifreezing functio...
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WO/2011/060500A1 |
An appliance such as a refrigerator (7.030) has a self-contained anti-condensation htf circuit (7.014) around the door (7.032). The refrigerator includes a self-contained refrigeration module (7.022) mounted on the top 10.100 of the cabi...
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WO/2011/054397A1 |
A refrigerating circuit (2) according to exemplary embodiments of the invention comprises a first compressor unit (4), a condenser/gas cooler (6), and a collecting container (10), a normal refrigeration branch coupled between the collect...
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WO/2011/044801A1 |
A complete set of heat source tower heat pump using solar energy secondary source consists of a cold-heat source tower (1), a low heat source heat pump (2), a winter condensed water separating device (3), a cold-heat source side circulat...
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WO/2011/034267A1 |
According to one embodiment of the present invention, a heater unit comprises: a heater-mounting portion disposed at the outside of an object to be attached; a coil coupled to the heater-mounting portion, for generating a magnetic field ...
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WO/2011/019521A2 |
A heat exchanger system having a fluid passage operable to fluidly communicate a first fluid and a heat transfer surface extending from the fluid passage for transferring heat between the first fluid and a second fluid. The system can fu...
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WO/2011/016551A1 |
Time to start defrosting a plurality of cooling/heating devices each having a refrigerating cycle installed in a store is controlled so that the power consumed by the devices does not exceed the maximum value of contract power. In a sing...
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WO/2011/015133A1 |
A frost detection device comprises a light-emitting device(61) and a light-receiving device(62), wherein the output signal from the light-receiving device(62) changes when the light emitted is blocked by the frost. And a heat pump air co...
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WO/2011/010473A1 |
Disclosed is a heat pump device wherein the heat radiation loss as well as the compressor input are reduced during a defrosting operation, so that the efficiency of the defrosting operation is enhanced. The heat pump device is comprised ...
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WO/2011/010506A1 |
A control portion (32) of an air conditioner (30) issues instructions to switch a four-way valve (10) and rotate a compressor (11) at a first number of rotations if an ambient temperature detected by a temperature sensor (12) is not more...
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WO/2011/008849A1 |
A method inhibits formation of deposits on a cooling surface of an electrode. The electrode is used in a manufacturing system that deposits a material on a carrier body. The cooling surface comprises copper. The system includes a reactor...
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WO/2010/143373A1 |
Disclosed is a heat pump system (100) comprised of a heat pump circuit (110); a tank (151) for storing a heat accumulation fluid; a boiling path (150) for boiling the heat accumulation fluid; a defrosting path (120) which connects a port...
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WO/2010/140369A1 |
A refrigeration device for a trailer comprises a refrigerant circuit (21) provided with: an electric compressor (22); a condenser (23); an expansion mechanism (24); an evaporator (25); a hot gas introducing path (123) for connecting the ...
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WO/2010/131257A2 |
The present invention provides an energy efficient air conditioner that can provide a continuous supply of air at dew point that is several degrees Celsius below zero, without requiring a defrost cycle. The air conditioner in accordance ...
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WO2010109689A1 |
Before defrosting operation, a heat pump type hot water supply device performs high-temperature liquid introducing operation for introducing a high-temperature liquid (including water) into a liquid-refrigerant heat exchanger (5), and du...
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WO/2010/106805A1 |
Disclosed is an air conditioner which can keep post-startup overshoot low while rapidly securing full startup performance. The air conditioner (1) uses a refrigeration cycle having a compressor (21) and coolant tubing (F) structured with...
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WO/2010/107691A1 |
A heat exchanger includes a motor that rotates a motor shaft to rotate a fan. An operating speed of the motor shaft determines an airflow through a heat exchanger coil. The heat exchanger also includes a sensor that detects a parameter o...
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WO/2010/107536A2 |
An apparatus and method are disclosed for terminating a refrigeration unit's defrost function. The refrigeration unit comprises an evaporator, a temperature sensor to measure the temperature of the evaporator during a defrost function, a...
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WO/2010/104757A2 |
A system and method for defrosting an air source heat pump are presented. A defrost conduit extends from the discharge from a system compressor to the outdoor coil. The defrost conduit includes a normally closed defrost valve. When the n...
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WO/2010/098061A1 |
A heat pump system (1) has a heat source unit (2), a discharged refrigerant conduit (12), a liquid refrigerant conduit (13), a gaseous refrigerant conduit (14), a first utility unit (4a), and a second utility unit (10a). The first utilit...
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WO/2010/098069A1 |
The energy used by a heat pump system that can heat an aqueous medium utilizing the heat pump cycle is reduced. The heat pump (1) is equipped with a heat source unit (2), first utility units (4a, 4b), and second utility units (10a, 10b)....
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WO/2010/090071A1 |
A heat pump-type hot-water supply and air-conditioning device (HP) provided with a water system (30) which is subjected to heating by a refrigerant system (10) of a heat pump to obtain hot water and performing defrosting operation by set...
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WO/2010/082325A1 |
An air conditioner which can, despite having only a single outdoor unit, efficiently perform defrosting while continuing heating. The air conditioner has a refrigerant circuit formed by interconnecting by piping a compressor (1) for pres...
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WO/2010/076858A1 |
Provided is a heat pump type water heater, which has a small number of parts, which has a simple structure but can prevent the freeze of a drain pan, and which has a drain residual hardly left in a drain pan. The heat pump type water he...
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WO/2010/070828A1 |
The refrigerant circuit (100c) of a heat pump hot-water supply device (100) is equipped with a compressor (1), a four-way valve (2), a water heat exchanger (3), a heat transfer tube (7) housed within a heat-storing water tank (8), an exp...
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WO/2010/055670A1 |
An air conditioning device capable of removing even frost deposited on a device and a member which are located downstream of airflow which exchanges heat with an outdoor heat exchanger. In an air conditioning device (1), in heating oper...
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WO/2010/054498A1 |
A heat pump system operable in a cooling mode, a heating mode and a defrost mode includes a refrigerant compressor (20), a reversing valve (30), a first heat exchanger (40) and a second heat exchanger (50) disposed in a refrigerant circu...
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WO/2010/050002A1 |
An air conditioner in which a heat source-side heat exchanger (12), intermediate heat exchangers (15a, 15b), and utilization-side heat exchangers (26a-26d) are respectively formed as separate bodies and adapted so that they can be placed...
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WO/2010/038518A1 |
Provided is an air conditioner having an excellent reliability and providing a comfortable state. The air conditioner sets a bypass defrost region and a reverse defrost region based on the temperature of the outdoor heat exchanger and t...
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WO/2010/038572A1 |
A defrost heat exchanger (14) is provided with low-pressure cooling medium piping (20) wherein a low-pressure medium flows, high-pressure cooling medium piping (21) which is brought into contact with the low-pressure cooling medium pipin...
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WO/2010/039385A2 |
A refrigerant system has a compressor for compressing and delivering refrigerant to a heat rejecting heat exchanger. Refrigerant from the heat rejecting heat exchanger passes through an expansion device, and then to an evaporator. A rehe...
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WO/2010/035983A2 |
The present invention relates to a defrosting timing sensing device for an evaporator for a refrigerating cycle, and more particularly, to a device for sensing the defrosting timing of the frost formed at an outdoor heat exchanger for a ...
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WO/2010/032430A1 |
An air conditioning device includes: a heat pump freezing cycle formed by connecting a compressor (1), a four-way valve (2), an indoor heat exchanger (3), a pressure reducer (4), and an outdoor heat exchanger (5) by a coolant circuit; an...
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WO/2010/032412A1 |
An air conditioning device, wherein the growth of ice on a bottom plate of an outdoor unit can be suppressed without the use of a structure, such as a heater, other than a refrigeration cycle. An air conditioning device (1) comprising a...
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WO/2010/023975A1 |
Provided is a heat pump device wherein a defrost operation can be started at an optimal timing for maximizing the efficiency (when COP is maximized). A heat pump device (100) comprises a refrigerant circuit wherein a compressor (1), a co...
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WO/2010/020536A1 |
The invention relates to a refrigeration device (1) comprising an interior space (2) and an evaporator (7) arranged therein. At least one section of the evaporator and/or the equipment (24, 25) of the interior space (2) has a microstruct...
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WO/2010/019144A1 |
A liquid cryogen based blending system and method is provided. The disclosed embodiment of the system includes a liquid cryogen flow circuit, a heated fluid circuit (18), and a plurality of injectors or nozzles (28) disposed adapted for ...
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WO/2010/016361A1 |
A resin material for a refrigeration circuit comprising a compressor for a refrigerant, a condenser, a means of pressure reduction/expansion, and an evaporator, the resin material being disposed in the refrigeration circuit in such a pos...
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WO/2009/158612A2 |
A hot gas defrost process is disclosed for defrosting an evaporator of a refrigeration system. In an exemplary embodiment, the hot gas defrost process includes the step of flooding at least one evaporator to be defrosted with liquid refr...
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WO/2009/147803A1 |
Disclosed is a heat pump unit able to prevent freezing of the drain opening of a drain pan provided in an evaporator. The heat pump unit (1) comprises a refrigeration circuit (16) principally configured from an evaporator (11), a compres...
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WO/2009/148011A1 |
A heat pump unit (1) has a refrigerant circuit (16) and an evaporator (11) provided for the refrigerant circuit (16), a compressor (12), a condenser (13), an expansion mechanism (15), and a defrost heat exchanger (19). The defrost heat e...
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