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WO/2010/017211A2 |
A system for desuperheating hot gaseous refrigerant using both a heat exchanger and a dispersed Venturi-driven injection of liquid refrigerant is disclosed. Further, a system, relating to cooling at least one compressed superheated refri...
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WO/2010/010450A1 |
A fluidic assembly for an air conditioning circuit comprises a' first feeding line (2) for a high temperature fluid, a second feeding line (3) comprising a barrier material for a refrigerating fluid in the gaseous state, and a casing (16...
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WO/2010/003555A1 |
The invention relates to a refrigerating circuit (10) adapted to circulate, in operation, a refrigerant in a predetermined flow direction, said refrigerating circuit (10) comprising a compressor stage (12), said compressor stage (12) hav...
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WO/2009/152593A1 |
The refrigeration system comprises: a compressor (10); a condenser (30) connected to a first inlet (51) of a separating means (50) which has: a vapor outlet (53) connected to the compressor (10) and a liquid outlet (54) connected to an e...
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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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WO/2009/115284A1 |
The invention relates to a heat-exchanger for an air-conditioning circuit that includes a first pipe (110) defining a path for a flow of fluid, the first pipe being spirally wound about a so-called exchanger axis (A). According to the in...
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WO/2009/068547A1 |
A condenser (10) comprises a first heat exchange block (12), for cooling a refrigerant down to its condensation point by means of a coolant, and a second heat exchange block (14), for undercooling the refrigerant by means of a coolant. T...
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WO/2009/065233A1 |
The invention relates to a system for refrigeration, heating or air-conditioning technology, particularly a refrigeration system (40), comprising a working medium circuit, which has a compressor (12), a condenser (11), an expansion valve...
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WO/2009/062526A1 |
A Refrigerating system (2) comprises a refrigerating circuit (4) having, in flowing direction, a compressor (8), a gas cooler (10), a first expansion device (12), an intermediate pressure container (14), a second expansion device (16), a...
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WO/2009/062739A1 |
An evaporator unit for exchanging heat between a refrigerant (C) and a low temperature heat source (B), comprises: a heat exchanger pack (610; 710) including a number of identical heat exchanger plates arranged such that spaces are forme...
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WO/2009/060683A1 |
Provided is a supercritical refrigerating cycle in which the electric power of a compressor can be reduced in a cooling cycle stabilized period and the cooling performance of which can be improved in a cool down transit period. In the su...
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WO/2009/053726A2 |
A heat pump comprising a circuit including: a first heat exchanger (1.3) operatively connected to a heat or coolth sink; a second heat exchanger (1.7) operatively connected to a heat or coolth source; a working fluid; pumping means (1.2)...
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WO/2009/044771A1 |
A refrigeration circuit includes an internal heat exchanger in which a non-azeotropic refrigerant made by mixing refrigerants having different boiling points is circulated and heat is exchanged between the high-pressure side refrigerant ...
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WO/2009/034300A1 |
This invention relates to an ice making system including a clarity of evaporators (7a,b,c), a cooling circuit for circulating refrigerant through the apparatus (7a,b,c) and a defrost circuit for defrosting at least one evaporator (7a) at...
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WO/2009/017968A1 |
An economized vapor compression circuit is disclosed. An evaporator, compressor, condenser and economizer are fluidly connected by a refrigerant line containing refrigerant. A portion of the liquid refrigerant leaving the economizer is d...
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WO/2009/018147A2 |
A heating, ventilation, air conditioning and refrigeration (HVAC & R) system having a compressor, a heat exchanger, an expansion device, and a multichannel heat exchanger connected in a closed refrigerant loop. The HVAC & R system may al...
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WO/2009/012323A2 |
A direct exchange heating/cooling system includes a specially designed supplemental air-source heat exchanger (4) (also referred to herein as a High Level Heat Dissipater ("HLHD"). The HLHD is coupled to the primary vapor/hot gas line (1...
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WO/2009/006918A1 |
A compression refrigerating machine according to the invention includes a vapor compression cycle (20) comprising a compressor (8), a condenser (10), an expansion device (12), an evaporator (6) and refrigerant conduits (4) circulating a ...
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WO/2009/004422A2 |
The invention concerns a heat exchanger (1, 40) comprising: a first container body (2, 50); a first tube bundle (3, 57) arranged inside the first container body (2, 50); two tube plates (4, 51; 5, 52) for supporting the first tube bundle...
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WO/2008/114096A1 |
This apparatus collects the heat emitted by the refrigerator/deep freezer or air conditioner in to a chamber and utilizes it for a useful purpose. It is equipped with a tube system (I) to send the heat into the said chamber, a valve (9) ...
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WO/2008/104349A2 |
The invention relates to a condenser for an air conditioning system, especially an air conditioning system of a vehicle, said condenser comprising a gill block and laterally arranged headers, the gill block comprising horizontal pipes, a...
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WO/2008/093718A1 |
A refrigeration device has an outdoor unit (20) having a compressor (21) and an outdoor heat exchanger (22) and also has an indoor unit (30) having an indoor heat exchanger (31). A main circuit (43) of a refrigeration circuit (40) is con...
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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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