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WO/2008/042358A1 |
A refrigeration system can use a flash tank to separate vapor refrigerant from liquid refrigerant. The refrigeration system can include a liquid-refrigerant injection system that can inject liquid refrigerant into an intermediate-pressur...
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WO/2008/035386A2 |
Refrigerating plant equipped with controlled subcooling, obtained by inserting a heat exchanger (15) on the line of the liquid to increase the subcooling. The exchanger (15) can provide for heat exchange with water, air or another refrig...
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WO/2008/000823A1 |
A heat exchanger system has a circuit with a condenser (1), pressure altering means (2; 14), an evaporator (3) containing a distribution header (5) fluidly connected via restrictors (9-12) to several fluid channels (8) coupled in paralle...
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WO/2007/146050A2 |
The present invention is directed towards a bio-renewable thermal energy heating and cooling system which is capable of rejection, reclamation and cogeneration. The refrigeration system of the present invention utilizes one or more evapo...
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WO/2007/123041A1 |
An internal heat exchanger (10) exchanging heat between a high- temperature and high-pressure refrigerant (A) flowing from a radiator (2) into a pressure reducing means (3) and a low- temperature and low-pressure refrigerant (B) flowing ...
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WO/2007/110991A1 |
The vapor compression refrigerating apparatus of the invention comprises a compressor (2), a condenser (4), a regeneration heat exchanger (6), an expansion means (8), and an evaporator (10) connected in series. The vapor compression refr...
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WO/2007/092204A2 |
Refrigerant freezeout is prevented, and temperature is controlled, by the use of a controlled bypass flow that causes a warming of the lowest temperature refrigerant in a refrigeration system that achieves very low temperatures by using ...
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WO/2007/054095A1 |
The present invention relates to a defrost system for defrosting components on which frost is formed, where the defrost system comprises at least one compressor, which compressor has a hot gas outlet, which is connected to condensing mea...
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WO/2007/043952A1 |
The present invention refers to a device intended for use with a system comprising a heat pump with an evaporator and a condenser, in which a heat transfer medium in a heat transfer circuit, heated up by means of the evaporator and a com...
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WO/2007/034744A1 |
An air conditioner comprising a super-cooling heat exchanger for exchanging heat between high pressure refrigerant and low pressure refrigerant, wherein the super-cooling heat exchanger is installed in an indoor unit and has a structure ...
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WO/2007/034745A1 |
In the supercooling heat exchanger of an air conditioner for exchanging heat between high pressure refrigerant and low pressure refrigerant, a flow direction of refrigerant during a cooling operation is reversed during a heating operatio...
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WO/2007/022777A1 |
The present invention relates to a heat exchanger (22,100) in particular for a transcritical refrigeration system (10) with a first flow channel (24,102) positioned in thermal contact with a second flow channel (38,104) for heat exchange...
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WO/2007/022778A1 |
The invention relates to a transcritical refrigeration system with improved performance during transcritical operation. To improve the performance during transcritical operation, a heat exchanger with a refrigerant flow channel is connec...
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WO/2007/017989A1 |
A compressor (18) has a compression unit (20) for performing a series of processes of sucking CO2 refrigerant from an evaporator (28), compressing the refrigerant, and discharging the compressed refrigerant to a gas cooler (24), and also...
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WO/2007/012803A1 |
Apparatus for use in a refrigeration unit (101) comprising: a first tube (207) of a first metal and having a first end (301) and a second end (304); and a capillary tube (209) formed from a different second metal. The capillary tube is j...
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WO/2006/135356A1 |
Methods and apparatus are provided for enhancing the performance of rooftop air conditioning systems by operating such systems with an economizer cycle and utilizing a blend incorporating R32 and R125 refrigerants as a working medium, wh...
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WO/2006/128720A1 |
In a condenser for an air conditioning system, in particular for motor vehicles, comprising a condensing section (1b) and a supercooling section (1c) which is arranged above the condensing section, comprising an approximately tubular mod...
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WO/2006/101405A2 |
A system for utilization of renewable energy resources and/or recovery of energy, comprising a multifunctional unit, which includes a water heater (1), and a heat pump (2). The heat pump is adapted to transfer heat and/or provide cooling...
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WO/2006/099378A1 |
An HVAC system having a main circuit (100) and a subcooler circuit (210). The main circuit includes a main circuit evaporator (140), a main circuit expansion device (126), a main circuit condenser (118, 120) and a main circuit compressor...
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WO/2006/094969A1 |
The present invention relates to a method for the liquefaction of a hydrocarbon-rich stream, preferably a natural gas containing stream, by heat exchanging against a refrigerant (1a-d) . The liquid refrigerant (19) is evaporated using he...
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WO/2006/092108A1 |
The invention relates to a device on a compressor for application in refrigeration plants the compression pressure of which lies within the supercritical range for a refrigerant, for example, C02. Conventionally on generation of refriger...
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WO/2006/091190A1 |
Refrigeration circuit comprising a compressor, a heat-rejecting heat exchanger an expansion valve, a receiver (3), and a further expansion valve/evaporator to provide cooling. A second heat exchanger (24) is arranged in an upper gas port...
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WO/2006/087004A1 |
Refrigeration circuit (2) for circulating a refrigerant in a predetermined flow direction, comprising in flow direction a heat rejecting heat exchanger (4), an evaporator throttle valve (8), an evaporator (10), a compressor (22), an inte...
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WO/2006/073134A1 |
A tube body (200), comprising a first flow passage (201) and second flow passages (202) positioned around the first flow passage. The tube body is formed by joining, to each other, a plurality of extruded members (210) having the second ...
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WO/2006/065185A1 |
An evaporator for use in a cooling system in a vehicle, characterized in that an accumulator combined with an expansion device tube and heat exchanger is directly attached to the evaporator, together forming an integral unit.
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WO/2006/065186A1 |
A heat exchange device combined in an accumulator or receiver/drier wherein the heat exchange is done between an outer compartment and an inner compartment together forming a twin walled heat exchanging unit.
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WO/2006/041388A1 |
A heating installation comprising a first circuit (2) containing a first medium, a second circuit (3) containing a second medium, a first heat generating arrangement (4) arranged in the second circuit, a second heat generating arrangemen...
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WO/2006/032922A1 |
A heat exchanger (301, 501, 601) for connection to an evaporator (201) of a heat transfer system using a working fluid that undergoes compression and evaporation. The heat exchanger comprises a first tube (107, 507, 607) having a first e...
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WO/2006/027330A1 |
Refrigerant apparatus is described comprising a first circuit (10) for a first refrigerant fluid and a second circuit (100) for carbon dioxide. The first circuit comprises a single stage compressor (20), a cooler (30) for the extraction ...
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WO/2006/024182A2 |
The invention relates to a method and to a system for controlling a carnot-cycle process, said device and system comprising, in a working medium circuit, at least one of the following: a compressor (12), a condenser (18), an expansion va...
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WO/2006/022829A1 |
CO2 refrigeration circuit (2) for circulating a refrigerant in a predetermined flow direction, comprising in flow direction a hear-rejecting heat exchange, (4), a receiver (10) having a liquid portion (12) and a flash gas portion (14), a...
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WO/2006/015741A1 |
The invention relates to a refrigeration circuit, in which a mono-or multi-component refrigerant circulates, comprising: in the direction of flow, a condenser, a collector, a pressure-relief device, arranged before an evaporator, an evap...
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WO/2006/015629A1 |
Refrigeration circuit (2) for circulating a refrigerant in a predetermined flow direction, comprising in flow direction a heat rejecting heat exchanger (4), an intermediate throttle valve (6), a receiver (8), an evaporator throttle v...
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WO/2006/009790A2 |
A refrigeration system includes a multiple stage compressor 10 having at least two stages 12, 14 for sequentially compressing the refrigerant together with a gas cooler 21 connected to the compressor 10 for re-ceiving compressed refriger...
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WO/2006/002880A1 |
The invention relates to an air conditioner, particularly for a motor vehicle. Said air conditioner comprises at least one compressor (11), a cooler (1), another heat exchanging device (4), at least one first flow device (5), and an evap...
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WO/2005/123428A1 |
The invention relates to a method for controlling a coolant circuit (2) of an air conditioning system (4) for a vehicle. According to said method, a compressor (10) that is located in the coolant circuit (2) is controlled in accordance w...
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WO/2005/121655A1 |
A supercooling apparatus, comprising a supercooling unit (200). In the supercooling unit, a refrigerant passage (205) is connected to the liquid side communication pipes (21, 22) of a refrigerating device (10). When a supercooling compre...
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WO/2005/121656A1 |
A separate-type air conditioner where a heat source unit and a utilization unit are connected through refrigerant communication piping, and, in the air conditioner, a reduction in performance when the connection is made by long piping is...
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WO/2005/121657A2 |
A system and method for controlling the temperature of a process tool uses the vaporizable characteristic of a refrigerant that is provided in direct heat exchange relation with the process tool. Pressurized refrigerant is provided as bo...
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WO/2005/121654A1 |
A supercooling apparatus, comprising a supercooling unit (200). In the supercooling unit, a refrigerant passage (205) is connected to the liquid side communication pipes (21, 22) of a refrigerating device (10). When a supercooling compre...
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WO/2005/119146A1 |
Apparatus and methods for transforming water vapor into potable water by using a vapor compression refrigeration system which includes first and second cooling elements disposed in a closed loop air passage duct that provides a continuou...
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WO/2005/116540A1 |
A method for removing humidity from air comprising the steps of providing an air conditioning system comprising a continuous circuit through which a refrigerant flows form a compressor, through a condenser, through a heat exchanger, thro...
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WO/2005/116539A1 |
A refrigeration system both cools and heats frozen dessert mix in at least two hoppers and at least two freezing cylinders. A liquid line solenoid valve at the inlet of each of the hoppers and the freezing cylinders controls the flow of ...
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WO/2005/116547A1 |
Disclosed is a method and device to increase the cooling load that can be provided by a refrigerant-based thermal energy storage and cooling system with an improved arrangement of heat exchangers. This load increase is accomplished by ci...
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WO/2005/114083A1 |
A heat exchanger 1 comprises an outer tube 2, an inner tube 3 disposed inside the outer tube 2 with a space provided the two tubes, fins 4 provided on the outer peripheral surface of the inner tube 3, and two connectors 5 fixed to the tw...
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WO/2005/108898A1 |
Fixed to the peripheral wall of a header 2 of a unit-type heat exchanger 1 is a receiver connecting block 6 having channels 31, 32 for causing the interior of the header 2 to communicate with the interior of a liquid receiver 7 therethro...
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WO/2005/108888A2 |
A system for providing liquid refrigerant subcooling by evaporative cooling utilizing condensate water of an air conditioner, refrigeration/heat pump system and/or other water supply to wet the surface of the subcool heat exchanger and p...
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WO/2005/094401A2 |
A refrigeration system (50; 100; 150; 200) has first (68; 124; 174; 218) and second (64; 120; 170; 214) evaporators which may be operated at first and second temperatures. Refrigerant from a lower temperature evaporator (68; 124; 174; 21...
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WO/2005/083335A1 |
A modular refrigerating installation with overflow vaporization system, which has several modular refrigerating units. Each modular refrigerating unit has a refrigerating circle which includes at least a refrigerating compressor (1), an ...
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WO/2005/075904A1 |
The invention concerns a (deep-freeze) refrigerating unit with a refrigerant (mix) circuit having an evaporator, a compressor, a condenser and an expansion device. Said compressor is provided in the form of a linear compressor (9) or in ...
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