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WO/2012/053157A1 |
[Problem] To provide a refrigeration cycle, wherein when an internal heat exchanger is used in addition to a condenser with a supercooling unit, the proportion of the supercooling unit in the whole condenser is set again so that optimum ...
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WO/2012/016855A1 |
The subject of the invention is an air-conditioning loop (1) comprising a refrigerant circuit including at least one compressor (2), one external heat exchanger (11), one internal heat exchanger (5) or one refrigerant/heat transfer fluid...
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WO/2012/012501A2 |
A system (200; 250; 270) has a compressor (22), a heat rejection heat exchanger (30), first (38) and second (202) ejectors, first (64) and second (220) heat absorption heat exchangers, and a separator. The ejectors each have a primary in...
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WO/2012/000501A2 |
A method for operating a vapour compression system (1) is disclosed. The vapour compression system (1) comprises a compressor (2), a condenser (3), an expansion device (4), e.g. in the form of an expansions valve, and an evaporator (5) a...
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WO/2011/151208A1 |
A suction/throttling tube for a refrigerating device comprises a suction tube (1), a throttling tube (2) that runs along said suction tube (1) in a parallel manner, and a film (10) that is applied on the outside of the suction tube (1) a...
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WO/2011/112495A2 |
Embodiments of apparatus, transport refrigeration units, and methods for operating the same can control refrigerant compression device restart for a refrigerant vapor compression system. Embodiments can provide control for transitioning ...
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WO/2011/105270A1 |
The disclosed refrigeration cycle device is provided with: a primary pathway (200) wherein a compressor (1), a condenser (2), a primary expansion valve (4), and an evaporator (5) are sequentially interconnected via refrigerant pipes; and...
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WO/2011/079371A1 |
An air conditioning system (10) using a refrigerant fluid (102) and a cooling liquid, the air conditioning system (10) comprising: a first compartment (22) defining a first air inlet (31) and a first air outlet (33) and a first ventilato...
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WO/2011/045752A1 |
The present invention relates to a heating device with irreversible thermodynamic cycle. The device comprises a low temperature circuit and a high temperature circuit in which respectively a first and a second operating fluid circulate. ...
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WO/2011/045522A1 |
The invention relates to a cooling system and a heat pump unit including such a system. Said refrigeration system includes a main circuit (2) for circulating a refrigerant, comprising a condenser (4), an expansion valve (5), an evaporato...
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WO/2011/004970A2 |
According to the present invention, an air conditioner comprises: a first circulation channel which drives a thermodynamic cycle while normally circulating a refrigerant; a second circulation channel which is branched from an outlet of a...
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WO/2010/147619A1 |
A reversible HVAC heating/cooling refrigerant system includes a novel valve system that allows an outdoor heat exchanger to function as a subcooler during a cooling or defrost mode and function as a receiver tank for storing excess liqui...
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WO/2010/124153A1 |
A method and apparatus for improving refrigeration and air conditioning efficiency for use with a heat exchange system having a compressor, condenser, evaporator, expansion device, and circulating refrigerant. The apparatus includes is a...
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WO/2010/119591A1 |
A freezer-refrigerator comprising: a refrigeration compartment (2) for refrigerating and storing an object to be stored; a freezing compartment (4) for freezing and storing an object to be stored; a first compressor (11) for operating a ...
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WO/2010/108907A1 |
The invention relates to a condenser, particularly for a motor vehicle air-conditioning circuit, including a first heat exchange unit (12) for cooling a refrigerant up until the condensation thereof using a coolant, a second heat exchang...
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WO/2010/105884A1 |
The invention relates to a refrigeration device, in particular a domestic appliance, having a refrigerant circuit (10), comprising a throttle element (2) in the form of a throttle tube, wherein the throttle tube comprises a metal tube (1...
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WO/2010/100259A1 |
A refrigeration apparatus (10, 100) for subcooling the liquid line (11, 111, 211, 311, 411, 511) of a refrigeration system (12, 112, 212, 312, 412, 512), particularly for medium- or low-temperature refrigeration systems and with an insta...
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WO/2010/096378A2 |
A climate control system is provided and may include a compressor, a first heat exchanger in fluid communication with the compressor, a second heat exchanger in fluid communication with the compressor and the first heat exchanger, and a ...
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WO/2010/081249A1 |
The universal, autonomous and compact power system for increasing the capacity and efficiency of refrigerating or air-conditioning systems is able to increase the capacity and efficiency of any refrigerating or air-conditioning system by...
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WO/2010/076101A1 |
The invention relates to a vaporizer for a cooling circuit, particularly for a motor vehicle, comprising a vaporization region (1), wherein a coolant flowing through the vaporization region (1) takes up heat from an outside region, where...
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WO/2010/060657A1 |
The invention relates to a condenser (10) that includes a first heat-exchange block (12) for cooling a refrigerant fluid until condensation thereof using a coolant, and a second heat-exchange block (14) for sub-cooling the refrigerant fl...
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WO/2010/056556A1 |
A refrigeration system that utilizes both an air-cooled heat exchanger and a cooling tower to cool refrigerant prior to the refrigerant being provided to the evaporator. This multi-stage cooling permits the refrigeration system to operat...
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WO/2010/046009A1 |
The invention relates to a connection device for an internal heat exchanger (14) having a connection block (21) comprising a first and a second through hole (24, 25), wherein an inlet opening (26) of the first through hole (24) can be co...
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WO/2010/046047A1 |
The invention relates to a connection device for an inner heat exchanger (14), comprising a connection block (22) having a first passage (31) and a second passage (35), wherein an inlet opening (29) of the first passage (31) can be conne...
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WO/2010/043399A2 |
In a cooling system for transferring a heat flow from a heat source (Q) to a heat sink (S) formed by an air current (L) having a closed coolant circuit (1) and an adiabatic or evaporation stage (2), the closed coolant circuit comprises a...
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WO/2010/038568A1 |
A defrosting heat exchanger (19) is provided with low-pressure refrigerant piping (20) in which a low-pressure refrigerant flows, high-pressure refrigerant piping (21) which is wound around the low-pressure refrigerant piping (20) and in...
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WO/2010/038569A1 |
A heat exchanger (14) includes: water pipes (56, 156, 256) through which water flows; low-pressure coolant pipes (20, 120) which are arranged inside the water pipes (56, 156, 256) and through which a low-pressure coolant flows; and a hig...
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WO/2010/023894A1 |
Disclosed is an air-conditioning device (1) having a bypass refrigerant pipe (26) that branches off a portion of a refrigerant condensed by an external heat exchanger (23) during a refrigeration operation to return the portion to the int...
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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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