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WO/2015/093235A1 |
A sublimation defrost system for refrigeration devices, having: a cooler provided inside a freezer and having a casing and a heat exchange pipe provided inside the casing; a refrigerator that cools and liquefies a CO2 refrigerant; and a ...
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WO/2015/093234A1 |
A defrost system for refrigeration devices, comprising: a cooler provided inside a freezer and having a heat exchange pipe arranged so as to have a height difference inside the casing and a drain receiving section provided below the heat...
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WO/2015/093233A1 |
A defrost system for a refrigeration device, comprising: a cooler provided inside a freezer and having a heat exchange pipe and a drain receiving section that are provided inside a casing; a refrigerator that cools and liquefies a CO2 re...
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WO/2015/083392A1 |
A heat pump device (1) having: a refrigerant circuit (8), in which a refrigerant circulates, and which is formed by connecting, by means of piping, a compressor (2), a first heat exchange unit (4), an expansion device (6), and a second h...
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WO/2015/075882A1 |
The heat pump cycle device comprises: a heat pump cycle (17) having a compressor (18), a radiator (19), a decompressor (20), and an evaporator (21); and a defrosting operation controller (26) capable of executing a first defrosting opera...
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WO/2015/062662A1 |
The present invention relates to a refrigerator (1) comprising: a refrigeration circuit which includes a compressor (2), a condenser (3), a capillary (4), a freezer evaporator (5) and a fresh food evaporator (6) which are serially arrang...
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WO/2015/063846A1 |
The objective of the present invention is to provide an air conditioning device that can perform a defrosting operation while performing a heating operation, and that can have increased compactness of a heat source. The air conditioning ...
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WO/2015/059792A1 |
An air conditioner (100) comprises: first gas bypass piping (5) that branches from the discharge side of a compressor (10) and in which refrigerant flows to a heat source side heat exchanger (12) that is to be defrosted from among a plur...
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WO/2015/059945A1 |
An air conditioner that is capable of heating-defrosting operations with a specific parallelly-arranged heat exchanger from a plurality of parallelly-arranged heat exchangers being a condenser in the capacity of a heat exchanger to be de...
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WO/2015/046367A1 |
Provided is a highly reliable air conditioner that reduces backflow of a liquid to a compressor by causing a portion of gas discharged from the compressor to be diverted to the intake side during a normal cycle defrosting operation and t...
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WO/2015/046350A1 |
During a normal cycle defrosting operation, an air conditioner (1) causes a refrigerant to be diverted from the discharge side of a compressor (21) to the intake side of the compressor (21) through a discharge-intake bypass circuit (26) ...
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WO/2015/046228A1 |
During a normal cycle defrosting operation, an air conditioner (1) causes a refrigerant to be diverted from the discharge side of a compressor (21) to the intake side of the compressor (21) through a discharge-intake bypass circuit (26) ...
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WO/2015/045685A1 |
This air conditioner device (100) is provided with: a main refrigerant circuit (81) having a compressor (31), a four-way switching valve (32), an indoor heat exchanger (21), a main valve (35), and an outdoor heat exchanger (33), and capa...
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WO/2015/046230A1 |
During a normal cycle defrosting operation, an air conditioner (1) causes a refrigerant to be diverted from the discharge side of a compressor (21) to the intake side of the compressor (21) through a discharge-intake bypass circuit (26) ...
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WO/2015/043678A1 |
The present invention relates to a refrigerator comprising: a refrigeration circuit (14) which includes: a compressor (2), a condenser (3), a first capillary (4), a freezer evaporator (5) and a fresh food evaporator (6) which are seriall...
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WO/2015/043898A1 |
The invention relates to a cooling machine, in particular for a domestic refrigeration device. In a refrigerant circuit (1) of said machine, a compressor (2), a condenser (3), a restricted flow zone (4) and an evaporator (5) are connecte...
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WO/2015/043097A1 |
A defrosting control method for an air conditioner system comprises the steps: when it is determined that an air conditioner meets a defrosting entering condition, connecting a bypass loop; when a bypass defrosting quitting condition is ...
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WO/2015/037057A1 |
The purpose of this invention is to provide a refrigerating device that can prevent liquid refrigerant from flowing back to a compressor and that can shorten the defrost time without increasing construction costs or equipment costs. This...
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WO/2015/035863A1 |
A refrigerator with a shielding apparatus that reliably prevent defrosting hot air from leaking. The movable shielding apparatus (50) is arranged on an outer side of an air supply outlet (13a) of a cooling chamber (13). The shielding app...
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WO/2015/036381A1 |
The ice production plant comprises at least one condensing unit (2) for the supply of refrigerant fluid to at least two ice makers (3), each having evaporation means (4) for said fluid, a bypass (5) to subject the evaporation means (4) t...
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WO/2015/032293A1 |
An air conditioning system, comprising a phase-change accumulator (12) wrapped around a compressor (13), the phase-change accumulator (12) having a first fluid port and a second fluid port; one end is connected to a first accumulator pip...
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WO/2015/033916A1 |
[Problem] To provide an air conditioning device for vehicles, capable of maintaining heating of a vehicle interior in a defrost mode in which an external heat exchanger is defrosted, and capable of defrosting the external heat exchanger ...
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WO/2015/029243A1 |
A refrigeration device (100) which has a compressor (1), a condenser (2), a throttle device (7), and an evaporator (8), and has a refrigerant circuit formed by connecting these by means of refrigerant piping (70), and which performs a ho...
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WO/2015/019628A1 |
[Problem] To provide an air conditioning device with which it is possible to prevent damage to a compressor and to prevent a delay in returning to a heating operation, by controlling the defrosting operation in accordance with the instal...
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WO/2015/015814A1 |
[Problem] To provide an air conditioner that avoids delaying restoring heating operation by way of performing de-icing operation control in accordance with installation conditions. [Solution] An outdoor unit control unit (200) has a de-i...
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WO/2015/004930A1 |
[Problem] To provide an air conditioner which prevents damage to the compressor and delay in restoration of heating operation by performing defrost operation control depending on the installation conditions. [Solution] An outdoor unit co...
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WO/2015/004967A1 |
Provided is a heat-pump-type vehicle air conditioning system that flows hot gas to both an vehicle-cabin-exterior condenser and a vehicle-cabin-exterior vaporizer during a defrosting operation, and that, even during times of low outside ...
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WO/2014/205972A1 |
A defrosting control system for a direct cooling refrigerator. The direct cooling refrigerator is provided with a main refrigeration circulation system. The defrosting control system comprises a defrosting refrigeration circulation syste...
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WO/2014/205973A1 |
A defrosting system control method used in a direct-cooling refrigerator comprises steps of: starting a main refrigeration cycle system, a first switch apparatus (6) connecting a compressor (1) and a freezer (2), and a second switch appa...
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WO/2014/205971A1 |
A direct-cooling refrigerator comprises a compressor (1), a condenser (2), a main refrigeration cycle capillary (3), a freezer evaporator (4), and a refrigeration evaporation pipe (5) that form a refrigerant loop; and further comprises a...
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WO/2014/201828A1 |
An air-conditioning system comprises a compressor (1), a four-way valve (2), an outdoor heat exchanger (3), a first liquid distributor (4), a throttling device (13), and an indoor heat exchanger (14), the compressor (1), the four-way val...
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WO/2014/192138A1 |
A refrigeration cycle device having a compressor (1), a usage-side heat exchanger (5), a heat-source-side flow volume adjustment valve (3), and a heat-source-side heat exchanger (2), with a refrigerant circulating successively through th...
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WO/2014/192741A1 |
[Problem] To ensure comfortable cabin heating by preventing or suppressing frost formation on an outdoor heat exchanger of an air-conditioning device of so-called heat pump type. [Solution] A controller calculates, in the absence of fros...
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WO/2014/192140A1 |
A main refrigerant circuit is configured by coupling, by way of piping: a compressor (11) that enables a refrigerant to be injected and that discharges a high pressure refrigerant by taking in a low pressure refrigerant and compressing t...
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WO/2014/192740A1 |
[Problem] To ensure comfortable cabin heating by preventing or suppressing frost formation on an outdoor heat exchanger of an air-conditioning device of so-called heat pump type. [Solution] A controller calculates a no-frost forming maxi...
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WO/2014/192053A1 |
A refrigerating device comprises: a refrigerant circuit in which a flammable refrigerant circulates and that is formed by coupling a compressor (1), a condenser (2), a liquid receiving container (3), an electromagnetic valve (4), a throt...
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WO/2014/188674A1 |
A refrigerant circuit is selected when defrosting an outdoor heat exchanger (16). In the refrigerant circuit, the heat of a refrigerant that is discharged from a compressor (11) is dissipated by a indoor condenser (12) and the outdoor he...
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WO/2014/183842A1 |
A low-temperature refrigeration drying plant (100) is proposed, designed for reducing the water content of a gas flow (1) that contains water and is particularly rich in hydrocarbons and having a refrigerant circuit (30) which is fed wit...
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WO/2014/175151A1 |
A hot-water supply device equipped with: a heat pump circuit wherein a compressor, a four-way valve, an air heat exchanger, an expansion valve, a first on-off valve, a water heat exchanger that heats water, a hot-water two-way valve whic...
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WO/2014/174792A1 |
This heat pump system (100) is provided with a heat exchanger (2) which exchanges heat between a refrigerant and a fluid, a heating device (6, 60) through which the fluid heated by the heat exchanger flows, a fluid circulation device (5,...
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WO/2014/169703A2 |
A pulse heating energy-saving device for use with a compression-type cooling or heating system, said device using a differential pressure switch (12) or a differential temperature switch (12) to control changes in pressure or temperature...
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WO/2014/170982A1 |
In this heat pump device, a refrigerant circuit is constructed by connecting, by piping, a compressor (1), a condenser (2), an expansion device (3), and an evaporator (4), and the heat pump device comprises: a condensation temperature de...
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WO/2014/148704A1 |
The present invention relates to a hybrid heat pump system. The hybrid heat pump system according to the present invention comprises: a circulation pipe connecting an evaporator, a first heat exchanger and a compressor in a closed loop; ...
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WO/2014/137060A1 |
The present invention relates to an apparatus for detecting a time to defrost an evaporation heat exchanger based on a bypass airflow measurement and a method for controlling operations of the same. The present invention provides an appa...
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WO/2014/128970A1 |
An air conditioner (100) executes either a heat recovery defrost operation mode in which the retained heat capacity of a heating medium is utilized, or a bypass defrost operation mode in which the retained heat capacity of the heating me...
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WO/2014/122922A1 |
A heating system provided with a hot-water storage tank (20), a heater core (35), a duct (36), and a defrosting requirement determining unit. The hot-water storage tank stores supply water which has been heated by a heat pump cycle (10)....
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WO/2014/115509A1 |
A vehicular air conditioning device, wherein, when it has been determined that an outdoor heat exchanger (13) has reached a predetermined frosted state during a temperature-maintaining operation mode in which refrigerant is circulated to...
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WO/2014/112322A1 |
An air conditioner (1) comprises: an outdoor heat exchanger (14); an indoor heat exchanger (32); an expansion valve (15) which is disposed between the outdoor heat exchanger and the indoor heat exchanger; a compressor (12) which circulat...
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WO/2014/106030A1 |
A method to reduce/prevent liquid refrigerant flooding in the compressor is disclosed herein. The method may include closing down the ETV when there is a risk of compressor flooding. The method may include closing down the ETV to a desir...
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WO/2014/102934A1 |
A heat pump hot water heater (10) equipped with a refrigerant circuit (20), a water circuit (30), and a control unit (40). The refrigerant circuit has a first heat exchanger (21) that exchanges heat between air and a refrigerant, a secon...
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