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WO/2004/005812 |
A method and a device for detecting flash gas in a vapour-compression refrigeration or heat pump system comprising a compressor, a condenser, an expansion device, and an evaporator interconnected by conduits providing a flow path for a r...
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WO/2004/005807 |
Air conditioning system (10), in particular an air conditioning system having carbon dioxide as refrigerant, particularly for use in a motor vehicle. The air conditioning system (10) comprises a compressor (12), a gas cooler (14), an exp...
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WO/2004/002764 |
The invention relates to an air conditioning installation, especially for motor vehicles, said installation comprising an air conditioning compressor, a gas cooler, a receiver, and a rupture disk which bursts in order to release a coolan...
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WO/2003/106900 |
The invention relates to a method for control of a carnot cycle process in a plant in which at least the following are arranged in a working medium circuit: a compressor (16), a condenser (18), an expansion valve (20) and an evaporator (...
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WO/2003/104727 |
A heat pump, comprising a refrigerant booster (260), a refrigerant condenser (220) for heating high heat source fluid (B), a refrigerant evaporator (210) for cooling low heat source fluid (A), a heat exchange means (300) installed betwee...
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WO/2003/103128 |
A three phase motor starting system is provided to reduce the in-rush current to the motor in order to obtain a soft start of the motor. The soft start of the motor equates to reduced impact forces on motor parts and device components co...
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WO/2003/099597 |
The invention relates to a system and method for regulating an air-conditioning unit. More specficially, the invention relates to a frequency control regulation system for a compressor, which is used to optimise power consumption in a mo...
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WO/2003/100332 |
The inventive method consists in: selecting a pre-determined curve (C'OPT), which can be represented in the form of a first parameter (NU) that is representative of the speed of rotation of a compressor, according to a second parameter (...
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WO/2003/098127 |
An air conditioner capable of accurately and surely detecting the circulating amount of refrigerant easily with a simple structure and increasing basic functions having a control accuracy and a responsiveness for stably maintaining a roo...
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WO/2003/098132 |
The invention relates to a vapour compression refrigerating machine operating in refrigeration mode at a low temperature of ambient air and can be used for refrigerating machines provided with an air-cooled condenser incorporated into ai...
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WO/2003/095907 |
An energy-efficient air conditioning control method regulates the capacity of a variable capacity refrigerant compressor (12) based on the compressor suction and discharge pressures and a measure of the ambient temperature. A target suct...
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WO/2003/095809 |
The invention concerns a motor vehicle cooling and depolluting device designed for conditioning said vehicle passenger compartment and for cooling its cylinder block (22). The elements of the device are connected through a main tube (25)...
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WO/2003/095905 |
Disclosed is a condensing system which can selectively provide cooperative operation of an air cooling condenser (100) with a water cooling condenser (200) or an evaporative condenser (300) according to variation of ambient air temperatu...
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WO/2003/093735 |
Disclosed herein is an air conditioning unit and method of operating the same. The air conditioning unit has a power level control unit (6) for controlling the level of power supplied to a motor (2a) of a compressor. The power level cont...
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WO/2003/089855 |
Disclosed is a method for evaluating a non-measured operating variable in a refrigeration plant, which can be derived from at least one signal which is scanned at specific points in time, enabling early recognition of errors. An error in...
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WO/2003/089850 |
An aqua-ammonia absorption cooling and/or heating system actively controls the flow of weak liquor from the generator (11) to the absorber (10), using one or more valves (60) operated in response to weak liquor temperature, and/or pressu...
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WO/2003/089851 |
An aqua-ammonia absorption cooling and/or heating system having a variable speed or multiple speed burner (19) which uses active flow control of weak liquor to the absorber (10) in response to burner speed.
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WO/2003/089118 |
A variable evaporator control system and method in a gas dryer for maximizing the cooling which can be accomplished for a given length heat exchanger by adjusting the evaporator refrigerant approach temperature responsive to changes in t...
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WO/2003/089854 |
The invention concerns a method for detecting changes in a first flux of a heat or cold transport medium in a refrigeration system whereby the first flux is conveyed through a heat exchanger wherein occurs heat transfer form the first fl...
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WO/2003/085335 |
An improved apparatus and method for injecting a liquid/vapor into compression chambers at an intermediate pressure utilizes the economizer injection ports already found in the compressor. By selectively communicating a liquid to be inje...
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WO/2003/083376 |
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/2003/083382 |
A cascade refrigeration system wherein the inlet and outlet pressures and the power consumption of the compressor (10) of the higher temperature refrigeration circuit, and the inlet and outlet pressures and the power consumption of the c...
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WO/2003/074953 |
A heat pump system, wherein the flowing speed of the heating circuit liquid is adjusted in the condenser to regulate the temperature of the heating circuit liquid. The system also includes a sub-cooling heat exchanger for sub-cooling the...
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WO/2003/073025 |
The invention relates to a method for controlling refrigerating installations, the method comprising steps of selecting two or more compressors, at least two of which differ in output, connecting one or more of the selected compressors e...
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WO/2003/064934 |
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/2003/064857 |
A compressor for providing automatic capacity modulation is disclosed. The compressor comprises a compression chamber (332), a compressing member (336), a reexpansion area (334), a flow passage (354), a valve member (356), and a biasing ...
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WO/2003/060393 |
An absorption apparatus includes a generator (10) with an integrated outlet box (10) comprising a liquid sensing chamber (12) and a solution outlet chamber (14). The sensing chamber (12) has an opening into the generator (16), with the o...
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WO/2003/060395 |
A continuous automatic control system of industrial processes' cooling fluid is described, whose temperature is adjusted by a refrigerating circuit, whose capacity is continuously modulated by varying the compressor's velocity through th...
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WO/2003/052326 |
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/2003/050459 |
In a natural gas liquefaction system having a refrigerant storage circuit (10), a refrigerant circulation circuit (20) in fluid communication with the refrigerant storage circuit (10), and a natural gas liquefacation circuit (30) in ther...
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WO/2003/050457 |
The invention provides a heat pump system for providing water heating and air conditioning, comprising one or more compressors (1) for circulating a refrigerant in the system, a hot water tank (2) having a heat exchanger (3) for heating ...
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WO/2003/046444 |
The object of this invention is to provide an air conditioner with a variable capacity compressor (2) parallely connected to a fixed capacity compressor (4), and a method of controlling the operation of such an air conditioner. When it i...
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WO/2003/038353 |
The present invention relates to a method for control of a heat pump, were an evaporator (4) is arranged to a cooling circuit (K) of the heat pump, which is connected to a channel (17) for cooling by the evaporator of a passing fluid flo...
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WO/2003/038352 |
A refrigerator sealing combustible refrigerant in a refrigeration cycle including a compressor (24), a condenser (25), expanders (30, 31), and coolers (16, 20), comprising means (41) for detecting variation of load on the compressor (24)...
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WO/2003/036206 |
The invention relates to a refrigerating appliance comprising a refrigerant circulation device which is arranged in the housing (10) of the appliance and comprises a compressor (20), an evaporator (21), and a condenser (26) having an inn...
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WO/2003/036184 |
A control device of a variable displacement compressor and a variable displacement control device of a refrigerating cycle capable of providing the optimum responsiveness and stability even under different conditions while improving the ...
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WO/2003/036197 |
Refrigerant freezeout is prevented by the use of a controlled bypass flow that causes a warming of the lowest temperature refrigerant in a refrigeration system (100) that achieves very low temperatures by using a mixture of refrigerants ...
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WO/2003/036189 |
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/2003/027587 |
A refrigerator−freezer capable of surely detecting the leakage of refrigerant from a refrigerating cycle, comprising the refrigerating cycle having a compressor, a condenser, a capillary, an evaporator, and an accumulator sequentially ...
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WO/2003/021369 |
The invention relates to a refrigerating appliance comprising an inner chamber (7, 9) which is surrounded by a heat-insulating housing, and a plurality of electrical or electromechanical components, including a coolant circuit (11, 15, 1...
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WO/2003/019085 |
The present invention involves a method and a device for regulating the capacity of a vapour-compression-cycle that comprises a compressing device, a condenser, at least one cooler, a variable-flow control means, and an evaporator, conne...
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WO/2003/019090 |
It is described a cooling system for cooling an ambient to be cooled, a cooler and a method of controlling a cooling control system. The cooling control system comprises a variable capacity compressor and a controller, the controller mea...
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WO/2003/010478 |
An apparatus and method for controlling the temperature of an integrated circuit device including a refrigerant system (20) having a coolant loop (30) containing refrigerant, an evaporator (40), a compressor (60), and a condenser (70). T...
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WO/2003/010473 |
The invention concerns a heat pump installation located entirely or partly in an inner service room and comprising a safety ventilation device for communicating the internal volume of the machine with the outside of the building enabling...
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WO/2003/000743 |
The invention describes a method of curing a polymerizable material containing ethylenically unsaturated bonds at a temperature of 60 °C or less, comprising the steps of (a) providing a curative comprising an effective amount of a light...
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WO/2003/001129 |
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/2002/103265 |
A refrigerator capable of always assuring an optimum filling amount of refrigerant by allowing the amount of refrigerant required by the refrigerator installed at site to be filled, comprising a refrigerating cycle (A) having an outdoor ...
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WO/2002/097343 |
The present invention relates to a cooling system and comprises a compressor for compressing to the high temperature high pressure state that vapor refrigerant is apt to liquidize; a condenser for receiving vapor refrigerant that gets ou...
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WO/2002/090842 |
A method of monitoring the food product and refrigeration system performance of a remote location (14) includes a management center (12) in communication with a remote location through a communication network (16). The management center ...
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WO/2002/090844 |
To provide a transportable cooling unit for maintaining a transport volume at a defined temperature, comprising a closed cooling circuit and a controller sensing a temperature present within said transport volume and controlling said coo...
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