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WO/2008/147532A1 |
A system and method of controlling a compressor rack having a plurality of variable capacity components is provided. A variable capacity component is selected from the plurality of variable capacity components as a designated variable ca...
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WO/2008/143611A1 |
A refrigerant vapor compression system has a primary refrigerant circuit including a compression device, a refrigerant heat rejection heat exchanger and a refrigerant heat absorption heat exchanger, and an economizer circuit including an...
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WO/2008/122493A1 |
The invention relates to a cooling device having three storage zones (1, 2, 3) that are insulated from each other, and are cooled by means of evaporators through which a coolant flows, wherein a first coolant circuit (9, 7) extends throu...
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WO/2008/117817A1 |
Heat exchangers (40, 40a, 40b) which perform heat exchange between a refrigerant and air are provided with fins (45, 45a, 45b) for transferring heat. The fins (45, 45a, 45b) have fine pores each of which sucks water in the air by capilla...
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WO/2008/111159A1 |
[PROBLEMS] In a cooling storage building wherein from one compressor a refrigerant is selectively supplied to multiple evaporators respectively disposed in multiple storage rooms of varied thermal loads, to prevent any temperature rise o...
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WO/2008/111149A1 |
A liquid refrigerant from compressor (20) and condenser (21) is alternately supplied through three-way valve (24) to cooler (27F) for refrigeration room and evaporator (27R) for chillroom so as to effect cooling of the refrigeration room...
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WO/2008/111162A1 |
Cooling of a freezing compartment and a refrigeration compartment is performed alternately by supplying liquid refrigerant from a compressor (20) and a condenser (21) alternately to a chiller (27F) for the freezing compartment and an eva...
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WO/2008/105391A1 |
A unit for an ejector type refrigeration cycle has an ejector (13), a first evaporator (15) and a second evaporator (16) parallelly connected to the downstream side of an exit (13e) of the ejector (13) and evaporating refrigerant dischar...
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WO/2008/094157A1 |
A refrigerant system providing enhanced performance over a wider range of operating conditions than traditional economized refrigerant systems. The system includes an economizer branch that connects a liquid outlet from a suction accumul...
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WO/2008/093520A1 |
A refrigeration machine forming a refrigeration cycle in which a compressor (1), a condenser (3), and an evaporator are interconnected by piping in which a refrigerant flows. The evaporator is constructed such that an evaporator for hydr...
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WO/2008/079116A1 |
An air conditioning system having a cooling mode and a free-cooling mode is provided. The system includes a refrigeration circuit, two pressure . sensors, a controller, and a pump-protection sequence resident on the controller. The refri...
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WO/2008/062769A1 |
A multiple-type air conditioner in which air conditioning capacity required for it can be controlled according to a load on each indoor unit. The air conditioner performs air conditioning by changing the state of refrigerant and has a he...
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WO/2008/059803A1 |
A heat exchanging system (1A) is provided with an outdoor heat exchanger (11), an indoor heat exchanger (12), a compressor (13), an expansion valve (15), a capillary tube (16) and a cooling jacket (20). The compressor (13) is arranged on...
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WO/2008/019689A2 |
Transcritical refrigeration system (10) with a booster and a bypass valve, the system comprising a flow circuit and a high pressure compressor (20), the compressor output being connected to an input of a gas cooler (24) and having an out...
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WO/2008/013103A1 |
An air conditioning system capable of cooling and heating the inside of a room by switching between the cooling and heating and by using a refrigeration cycle performed by compressing refrigerant to a level not less than a critical press...
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WO/2008/007313A2 |
The invention concerns an evaporator unit (28) for a medium temperature refrigerator (10) suitable for supermarket use. The refrigerator is of a type including a refrigeration space (12) for goods which are to be refrigerated and a compr...
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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/2007/132605A1 |
When the indoor temperature of a freezing compartment (13F) drops below a lower limit temperature TF(OFF) during alternate cooling of R compartment and F compartment, actuation of “R independent overcooling prevention control” is req...
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WO/2007/115879A1 |
The invention relates to a method for operating a refrigerating device comprising a refrigerating circuit (15; 25; 35; 45) equipped with two evaporators (16, 17) which are arranged in a parallel manner in relation to each other and which...
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WO/2007/111586A1 |
A refrigeration system (20A) comprises an evaporator (27), a two-stage compressor (32) for compressing a refrigerant, a second compressor (34) for compressing the refrigerant, a heat rejecting heat exchanger (24) for cooling the refriger...
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WO/2007/111303A1 |
The refrigeration system comprises a refrigerant circuit (20) having a compression mechanism (30), an outdoor heat exchanger (21), an expansion mechanism (40), and an indoor heat exchanger (23), and performs vapor compression supercritic...
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WO/2007/102556A1 |
Provided is a freezer heat exchanger coolant flow divider capable of reducing the number of coolant flow rate adjusting valves and suppressing the device size-up and cost-up. Coolant is supplied via a coolant flow divider having a plural...
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WO/2007/102555A1 |
Provided is a freezer heat exchanger coolant flow divider control device for supplying a coolant via a coolant flow divider having a plurality of paths to respective paths of a freezer heat exchanger having a plurality of paths. Each of ...
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WO/2007/084138A1 |
A refrigerated transport system includes a prioritizing algorithm to limit the maximum amount of refrigerant flow available to at least one limited cooling compartment by holding a delta T (difference between the supply air temperature a...
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WO/2007/083559A1 |
A refrigeration circuit (110), a freezing circuit (120) and a booster circuit (130) are connected in parallel with an outdoor circuit (40). A closed circuit circulation passage through which a refrigerant delivered from a booster compres...
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WO/2007/053149A1 |
Combined medium and low temperature refrigeration circuit (2) for circulating a refrigerant in a predetermined flow direction, comprising in flow direction (a) a heat-rejecting heat exchanger (4); (b) a medium temperature refrigeration c...
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WO/2007/023130A2 |
Systems and Methods of cooling heat generating electronics components are provided employing vapor compression refrigeration. The vapor compression refrigeration system (100) includes a condenser (104), at least one expansion structure (...
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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/2007/020885A1 |
A refrigerating apparatus comprising a refrigerant return mechanism (5) for returning a liquid refrigerant in a receiver (17) to a circulation route. Accordingly, the liquid refrigerant in the receiver (17) can be forcibly returned to th...
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WO/2007/001509A2 |
A refrigerant system is provided with economizer vapor injection and liquid injection functions. As is known, the economizer function enhances performance of the refrigerant system. The liquid injection lowers the discharge temperature o...
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WO/2007/000931A1 |
A hotwater supply device (1) has a hotwater storage tank (11), and a refrigerant circuit (20) of a vapor-compression refrigeration cycle, the refrigerant circuit having a radiator (21), an evaporator (22), and an auxiliary evaporator (23...
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WO/2006/117959A1 |
Refrigerant sent from a heat source side circuit (14) to utilization side circuits (11, 12, 13) is made to be single-phase liquid by using cooling means (36, 45) or a vapor-liquid separator (35). Variable-opening utilization side expansi...
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WO/2006/109617A1 |
An ejector type refrigerating cycle unit, comprising a first evaporator (15) connected to the outlet side of an ejector (14), a second evaporator (18) connected to the refrigerant suction port (14b) of the ejector (14), and a restriction...
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WO/2006/107893A1 |
A method of regulating the refrigerant temperature for a beverage machine, including a refrigeration system for producing a frozen beverage, operating at least one compressor at a speed to flow the refrigerant through the refrigeration s...
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WO/2006/097106A1 |
A method for controlling a refrigeration system comprising a variable compressor capacity, and at least two refrigeration entities 4, e.g. display cases. Suction pressure is controlled by means of permitting/preventing a flow of refriger...
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WO/2006/087075A1 |
According to the invention, a refrigeration plant comprising a refrigerant circuit (10), in which a main mass flow (56) of a refrigerant flows which may be optimally matched to differing operating conditions may be achieved, whereby at l...
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WO/2006/071858A1 |
An HVAC system including a compressor (130), a condenser (120) and an evaporator arrangement (200) connected in a closed refrigerant loop. The evaporator arrangement (200) includes a plurality of refrigerant circuits (210). The evaporato...
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WO/2006/070684A1 |
A refrigerating apparatus, wherein, on the pressure loss of a refrigerant by a return side communication pipe (19) starting at the outlets (24), (34), and (44) of single stage side use units (12), (13), and (14) toward the inlet (61) of ...
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WO/2006/057224A1 |
In a freezing apparatus, a first non-inverter compressor (2B) supports either of an inverter compressor (2A) and a second non-inverter compressor (2C) by switching of a third four-way switching valve (3C). The freezing apparatus has a su...
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WO/2006/055277A1 |
A comb-like insert having a body and plurality of tapered fingers is installed with its fingers disposed within respective minichannels. The fingers and their respective minichannels are so sized as to restrict the channels and frictiona...
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WO/2006/033378A1 |
An ejector type refrigeration cycle, comprising a first evaporator (15) for evaporating refrigerant flowing out from an ejector (14), a branch passage (17) for bifurcating a refrigerant flow between a radiator (13) and the ejector (14) a...
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WO/2006/031616A2 |
A compressor has an inlet, an outlet, and at least an intermediate first port therebetween. A condenser is coupled to the compressor to receive refrigerant. First and second evaporators are coupled to the condenser to receive refrigerant...
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WO/2006/028147A1 |
In a refrigerant circuit (20), there are arranged a first and a second cooling heat exchanger (131, 141) for individually cooling the insides of chambers and a first and a second expansion mechanisms (132, 142) corresponding to the first...
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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/2006/023830A2 |
A system has a number of parallel flowpath segments between a compressor and an evaporator. One or more valves selectively block and unblock at least one of the segments to provide capacity control.
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WO/2006/018746A1 |
This invention relates to a cooling device (1), the cooling performance of which is improved by controlling the cycle of the refrigerant.
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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/2006/011789A1 |
The present invention concerns a method for improving the efficiency of a transcritical cooling installation and the installation itself.
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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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