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WO/2004/005811A1 |
Refrigeration equipment, comprising a plurality of use side heat exchangers (41) and (45, 51) for air conditioning and cooling and refrigeration, wherein a switching mechanism such as a four-way selector valve (3C) is installed on the su...
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WO/2004/001304A1 |
An engine heat pump, comprising a main compressor (2) driven by an engine, an indoor heat exchanger (8), an outdoor heat exchanger (5), an expansion valve (23) for the indoor heat exchanger, an expansion valve (21) for the outdoor heat e...
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WO/2003/104723A1 |
The invention provides an oil equalizing circuit for a freezing device having a plurality of compression mechanisms, which oil equalizing circuit is capable of improving the reliability of the feeding of oil to each compression mechanism...
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WO/2003/100328A1 |
Compression mechanisms (11) of a refrigerator having the plurality of compression mechanisms, comprising first, second, and third compressors (21, 22, and 23), a refrigerant suction main pipe (24), first, second, and third branched sucti...
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WO/2003/095250A1 |
A heat pump system includes a compressor (14), first and second heat exchangers (10,12) and a module (20) hydraulically inter-posed between the compressor (14) and the first and second heat exchangers (10,12). The module includes a heat ...
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WO/2003/087681A1 |
A heat source unit applicable to both an air conditioner for cooling/heating switching operation and an air conditioner for cooling/heating simultaneous operation. The air conditioner (1) comprises a heat source unit (2), a plurality of ...
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WO/2003/085332A1 |
A refrigerator, comprising an expansion mechanism having a thermosensitive expansion valve (46), wherein an open/close valve (7a) installed on the upstream side of an evaporator (45) is temporarily closed to forcibly overheat the outlet ...
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WO/2003/085334A1 |
A multi-coupled heat pump system comprises a plurality of high-pressure cavity compressors with varying or unvarying frequency, improved oil supply device in parallel for the compressors and improved pre-vaporizing defrosting device. The...
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WO/2003/083376A1 |
An air conditioner, comprising a low cost differential pressure regulating device capable of holding a difference between the high and low pressures of a compressor during the cooling operation under a low atmospheric temperature at a sp...
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WO/2003/083377A1 |
An air conditioner (1) in which indoor temperature can be detected accurately even in the case of an indoor unit in a thermostat-off state while suppressing abrupt lowering of supply air temperature in an operating room. The air conditio...
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WO/2003/078903A1 |
An air conditioner (1) capable of continuously performing a cooling operation by preventing indoor heat exchangers (23, 24, 25) from being frozen even when an outside air temperature is low, comprising an air-cooled outdoor unit (2) havi...
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WO/2003/069233A1 |
The present invention relates to an air conditioner integral with an outdoor device. In the present invention, a condenser has a sufficient heat transfer area in a given space by an efficient dispersion and arrangement of the condenser a...
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WO/2003/067160A1 |
A humidity conditioning device, comprising two adsorbing elements (81, 82) for batch operation and a refrigerating circuit (100), wherein secondary air for regenerating the adsorbing elements (81, 82) is heated by a regenerative heat exc...
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WO/2003/064940A1 |
An air conditioner, wherein electronic expansion valves (4) and (5) connected parallel with each other are installed in a refrigerating cycle, and an operating device (31) controls the flow of refrigerant in the refrigerating cycle by va...
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WO/2003/064934A1 |
An air conditioner, wherein an air conditioning load is detected and, according to the air conditioning load, the rotational speed of compressors (1) and (2) are both controlled in a same increase/decrease pattern.
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WO/2003/064939A1 |
An oil collecting method for collecting oil in a refrigerating circuit (1A) to an outdoor unit (20) in a refrigerator having the outdoor unit (20) and an indoor unit (30) connected to each other through pipes (51, 52) and the refrigerati...
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WO/2003/062718A1 |
A refrigerating device comprising three compressors (2A, 2B, 2C) and two systems of utilization-side heat exchangers (41), (45, 51) is arranged so that the first compressor (2A) is used exclusively for the utilization-side heat exchanger...
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WO/2003/062710A1 |
The present invention relates to a heat pump type air conditioner. The air conditioner includes a compressor, an outdoor heat exhanger, an indoor exchanger, and a four way change valve, which characterized in that it further includes cap...
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WO/2003/059664A1 |
The invention relates to a vehicle with an air-conditioner and a heat source, whereby a medium circuit for the air-conditioner and the heat source uses the same medium for cooling and/or heating. Means for expanding and compressing the m...
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WO/2003/056256A1 |
Disclosed is a refrigerator using an expansion unit for executing a condensing function. In the refrigerator, gaseous refrigerant generated in an evaporator is adiabatically expanded and thereby condensed in the expansion unit. Therefore...
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WO/2003/052326A1 |
An air conditioner, comprising an outdoor unit used exclusively for a multiple system having a capacity−controllable compressor mounted thereon, a refrigerant flow control unit connected to the outdoor unit, and a single or a plurality...
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WO/2003/051657A1 |
Reversible vapor compression system including a compressor (1), an interior heat exchanger (2), an expansion device (6) and an exterior heat exchanger (3) connected by means of conduits in an operable relationship to form an integral mai...
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WO/2003/046440A1 |
Disclosed is a cooling-heating combination air conditioner being provided with an outdoor heat exchanger and an indoor heat exchanger in a single case. The present invention has advantages of freely adjusting a ventilation rate from 0% t...
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WO/2003/036179A1 |
An air conditioner comprising a first heat exchanging unit which functions as an evaporator or a condenser of a refrigerant passing through the inside, a second heat exchanging unit which is connected in series to the first heat exchangi...
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WO/2003/036189A1 |
A freezer (1) comprising a plurality of utilization−side heat exchangers (41, 45, 51) such as for air conditioning and refrigeration·freezing purposes, a 4−way switching valve (3C) and a plurality of check valves (7) disposed on the...
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WO/2003/036188A1 |
Refrigerating equipment, wherein the excess amounts of lubricating oil (L) in the closed cases (100) of compressors (1a), (1b), and (1c) flow into oil pipes (14a), (14b), and (14c), the lubricating oil (L) flowing into the oil pipes flow...
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WO/2003/029728A1 |
An air conditioner (10) capable of increasing the comfortableness of personnel in an air−conditioned room by properly controlling both a temperature and a relative humidity in the room during the cooling operation of the air conditione...
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WO/2003/027584A1 |
A first heat exchanger (13) and a second heat exchanger (14) are connected to a main passageway (16) having an on−off valve (15). The on−off valve (15) is bypassed by a throttle passageway (18) having a capillary tube (17). In the cl...
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WO/2003/021166A1 |
An exhaust heat utilizing refrigeration system capable of adding the function of a refrigerant heater, a condenser, or a subcooler by utilizing exhaust heat, comprising a compressor (12), a first heat exchanger (14), a heat pump device (...
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WO/2003/021164A1 |
A compression refrigeration system includes a compressor (1), a heat rejector (2), expansion means (3) and a heat absorber (4) connected in a closed circulation circuit that may operate with supercritical high-side pressure. The refriger...
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WO/2003/008878A1 |
A refrigerator allowing an optimum amount of refrigerant to be easily filled therein in a short time, comprising a refrigerant circulating circuit (A) for connecting an outdoor unit (X) to an indoor unit (Y) through refrigerant pipes (6)...
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WO/2003/001129A1 |
In a freezing device capable of room air conditioning, cooling a refrigerating showcase, and cooling a freezing showcase, it is intended to continue the operation even if one compressor goes out of order, without incurring a decrease in ...
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WO/2002/099343A1 |
A refrigerating device, wherein, in a heat recovery operation, the refrigerant discharged from a compressor (2B) is condensed in an air conditioner heat exchanger (41), passed through an expansion valve (46), evaporated in a refrigerator...
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WO/2002/090845A1 |
An improved reverse-cycle heat pump system (100) is disclosed that comprises components to improve the efficiency of the system in the cooling mode. Specifically, the invention incorporated a conduit assembly (50) for carrying refrigeran...
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WO/2002/084186A1 |
The invention relates to a continuous heating system without any need of a separate defrosting cycle by switching the flows of a coolant and air.The invention is an air conditioning system with a new structure, wherein any additional sep...
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WO/2002/077544A1 |
A refrigerating system comprising a first compressor (232) and a second compressor (231) coupled, on the delivery sides, with one end of an outdoor heat exchanger (233) through a high pressure gas pipe (221). The other end of the outdoor...
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WO/2002/077542A2 |
Vapor compression heat exchange systems (10,100) are disclosed that are designed to allow for optimal mass flow of refrigerant there through. The systems of the present invention do not employ conventional refrigerant metering devices, s...
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WO/2002/070960A1 |
A heat pump with high COP and a compact dehumidifier; the heat pump, comprising a booster (260) boosting refrigerant, an evaporator (210) cooling a low heat source side fluid (A) by the evaporation heat of the boosted refrigerant, a cond...
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WO/2002/064388A1 |
An on-vehicle air conditioner for air conditioning, comprising a refrigerating circuit having a refrigerant outside heat exchanger installed so as to perform a heat exchange with outside air and usable for both cooling and heating, a coo...
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WO/2002/064389A1 |
An on-vehicle air conditioner, wherein, cooling is performed by using, for example, a CO¿2? refrigerant and mounting a refrigerating circuit having an electric-driven two-stage compression system compressor even in the cars with less wa...
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WO/2002/064979A1 |
A freezer, wherein, when a heating cycle is formed, the openings of flow control valves (11), (21), and (31) are controlled according to the degree of overheating of refrigerant in an outdoor heat exchanger (5) and, when a discharged ref...
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WO/2002/061350A1 |
In a refrigerating cycle having incorporated therein a choke consisting of an inlet silencing space (19), an inlet-side foam metal part (20) communicating in a direction of flow of a refrigerant, an orifice (23), an outlet-side foam meta...
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WO/2002/055937A1 |
An indoor unit for a low-place installation type air conditioner, comprising a casing (1) having an air inlet (2) in the front surface (1a), an upper surface air outlet (3) in the upper surface (1b) and side surface air outlets (4) in th...
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WO/2002/053399A1 |
The invention relates to a system for cooling or heating comprised of a first heat exchanger (10) for delivering or drawing heat into/out of a heat reservoir (12), of a second heat exchanger (14) for drawing or delivering heat out of/int...
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WO/2002/053979A1 |
An air conditioner, wherein, when a heating cycle is formed, the openings of flow control valves (11), (21), and (31) are controlled according to the degree of superheat of refrigerant in an outdoor heat exchanger (5) and, when a dischar...
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WO/2002/046664A1 |
An outdoor unit (11), comprising a compression mechanism (40) having a fixed displacement high-pressure dome type first compressor (41) and a variable displacement high-pressure dome type second compressor (42), wherein an oil separator ...
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WO/2002/046663A1 |
A multi-type refrigerator capable of reducing a space and a cost by reducing the number of cascade units, comprising a freezing unit (4) and a refrigerating unit (5), the refrigerating unit (5) further comprising compressors (11, 12) for...
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WO/2002/046666A1 |
A heat source unit (11), comprising a first system part (47) having an end part formed so as to be connected to a fist system (1) switchable between an endothermic operation and a heat radiating operation and a second system part (48) ha...
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WO/2002/042695A1 |
A refrigerating or heat pump system includes an evaporator (23), a compressor (20), an air-cooled heat rejecting heat exchanger (21) and an expansion device (22) being connected in a closed circuit and operating in a trans critical vapor...
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WO/2002/042697A1 |
A collector for the liquid phase of the working medium of an air conditioning system has a first and second connecting branch element (4, 5). One of the connecting branch elements (5) continues into a guide pipe (6) which is guided throu...
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