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WO/1996/027107 |
This decompression device is provided with partition walls (2, 3) projecting from an inner surface of a tubular body (1). The partition walls (2, 3) are provided with orifices (4, 5). A plurality of decompression mechanisms comprising th...
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WO/1996/026867 |
A container (10) for particulate desiccant comprises a cup (14) and a cap (16). The cup (14) includes spaced inner (18) and outer (22) wall portions connected by a traverse web portion to define a chamber having an opening. The cap (16) ...
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WO/1996/020378 |
A vapour compression system in which a quantity of a refrigerant circulates between at least two pressure levels in a condenser and an evaporator respectively, comprises a compressor (1) for increasing the pressure of refrigerant vapour;...
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WO/1996/012921 |
An air conditioner which includes ports (22, 23, 24) provided on portions in a refrigerant circuit where oil are liable to gather, such as bottoms of a compressor (1), accumulator (5), a receiver (12) and the like, through which ports a ...
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WO/1996/009512 |
An evaporator (12) of the plate-fin construction has attached a formed housing (36) which together with the evaporator end plate (35) comprises a suction accumulator (26). A liquid conduit (23b) passes through the accumulator (26) and in...
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WO/1996/007088 |
A method of introducing a leak detection additive (48) into a closed refrigeration system (10) by a substrate containing the additive (48). A predetermined amount of the additive (48) is implanted on and absorbed into a host swatch (52) ...
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WO/1996/000369 |
An oil separator (10) for a refrigeration system (100) employing a screw compressor (108) includes a generally cylindrical, vertically upstanding housing (12) the bottom of which defines an oil sump (16) and the top of which is penetrate...
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WO/1995/029847 |
A container (10) for particulate desiccant (12) comprises a cup (14) and a cap (16). The cup (14) includes spaced inner and outer wall portions (18, 20) connected by a transverse web portion (22) to define a chamber (24) having an openin...
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WO/1995/030117 |
A refrigeration system comprises an evaporator (10) overfed with liquid refrigerant and discharging a mixture of vapor refrigerant and liquid refrigerant; a compressor (1) for compressing vapor refrigerant discharged from the evaporator;...
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WO/1995/018945 |
In a compression system which incorporates a rotary helical screw compressor a nonworking liquid oil is atomized through nozzles (126, 128) suspended in the suction gas flow. The oil stream to be degassed may first be degassed at compres...
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WO/1995/016886 |
A method for separating water and degradation products from lubricating oil in heat pumps or cooling machines comprising a closed circuit which includes a compressor (1), an evaporator and a condenser, wherein coolant is circulated in th...
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WO/1995/012792 |
For use with a heat exchange system having a compressor (CO'), condenser (CX'), evaporator (EX'), expansion device (EV') and circulating refrigerant, an efficiency enhancing apparatus. Comprising the apparatus is a liquid refrigerant con...
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WO/1995/003110 |
A device and method for making a filtering device for a refrigerant circuit including a hollow body (2) with a bottom (4) and an opposite opening (5) sealed with a sealing member (6, 36), said sealing member comprising a fluid outlet (8,...
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WO/1994/024497 |
A method and apparatus for controlling refrigerant gas pressure in a low pressure refrigeration system including a warm surface (24) within a container (20). Liquid refrigerant is removed from the refrigeration system evaporator (10) and...
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WO/1994/017348 |
An arrangement for removing from a refrigerating system or heat pump system a lubricating oil used together with a first type of refrigerant in the system and replacing this oil with an oil which is compatible with a second type of refri...
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WO/1994/012834 |
A compressor (21), an outdoor heat exchanger (23), an electric expansion valve (25) through which a refrigerant flows in the opposite directions, and an indoor heat exchanger (31) are connected to form a reversely operable refrigerant ci...
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WO/1993/010409 |
An auxiliary purge unit to be retrofitted to the existing purge unit (P2) of a low pressure refrigeration system includes a double-walled condenser portion, a pneumatic pressure chamber (A) and a discharged-refrigerant tank (T). The doub...
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WO/1993/004286 |
An unloading arrangement for a rotary screw compressor includes discrete and different unloading apparatus associated with the male and female rotors respectively. The unloading apparatus associated with the male rotor is an axial piston...
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WO/1992/018817 |
An absorption refrigeration system (10) having an absorber (26), a generator (12), and refrigeration solution pump (52) which flows relatively dilute refrigeration solution received from the absorber (26) to the generator (12) includes a...
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WO/1992/018816 |
An absorption refrigeration system (10) having absorber (26) and generator elements (44) and a solution pump flowing relatively dilute refrigeration solution from a system absorber sub-atmospheric operating pressure to a system generator...
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WO/1992/012347 |
An oil recovery system for refrigeration apparatus of the type in which an oil lubricated screw compressor is oriented with a suction inlet in communication with an evaporator chamber positioned under the compressor so that under conditi...
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WO/1992/006339 |
A vapour compression system, in which the pressure and flow rate of refrigerant in components of the system to control and to optimise use of heat-transfer surfaces and to minimise power consumption, comprises a compressor (1), a condens...
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WO/1991/019141 |
The object of the invention is to provide a method and apparatus for reclaiming refrigerants which includes a refrigerant boiler (6) having a refrigerant inlet (1) for admitting contaminated refrigerant into the boiler (6). The suction i...
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WO/1991/019140 |
A refrigerant filter/accumulator and an oil separator, both suitable for refrigerant recovery equipment, are disclosed. In the filter/accumulator (10) refrigerant enters (11), is filtered by cup-shaped filter (15), and liquid-refrigerant...
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WO/1991/014143 |
A refrigeration process including a refrigeration cycle (1), and refrigerant purge and recovery operations is disclosed. The refrigeration cycle may be a vapor compression cycle (2) or an absorption cycle, for example. A purge stream (12...
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WO/1991/014142 |
In systems or units for collecting volatile liquids, e.g. refrigerants from scrapped refrigeration systems, the liquid may be successively filled into a closed collector tank (12), inasfar as the vapour of the liquid as collected in the ...
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WO/1991/008428 |
A device (48) is provided for sensing refrigerant temperatures in refrigerator systems, and for the control of refrigerant loading in a refrigerator evaporator circuit coils (34a, 34b). Such evaporator coils (34a, 34b) are supplied with ...
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WO/1991/008427 |
A device (48) is provided for sensing refrigerant temperatures in refrigerator systems, and for the control of refrigerant loading in a refrigerator evaporator circuit coil (34a, 34b). Such evaporator coils (34a, 34b) are supplied with r...
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WO/1990/014873 |
A condenser comprising cooled heat exchangers of some known construction for condensing a gas mixture so that most of the condensable gases in the first section are condensed and in the second section of a condenser a medium for absorbin...
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WO/1990/014565 |
A universal accumulator (10) for utilization in an automotive air conditioning system. An inlet fitting (26) and an outlet fitting (28) are connected to the top (20) of the accumulator housing (12). The adjustable connection of the outle...
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WO/1990/012263 |
Compression refrigerating system with an oil and air separator (1) inserted between the refrigerant receiver (13) and the evaporators (1) of the system, and in which the refrigerant in the mixture of oil and refrigerant by its evaporatio...
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WO/1990/008931 |
In prior hot gas defrost systems for refrigeration systems part of the hot gas is diverted to flow through the cooling coil (34a, 34b), while the remainder flows through the condenser (16) to avoid overload of the compressor (10); as the...
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WO/1990/007092 |
Apparatus (1) for separating and removing contaminants from refrigerant of a vapour compression refrigeration system. The apparatus (1) has a primary separation chamber (3), a refrigerant inlet (8) through which contaminated refrigerant ...
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WO/1990/000710 |
The present invention relates to a device for controlling the supply of oil to a cooling and freezing plant which includes a number of freezing compressors (14-17) and a number of cooling compressors (26-31), whereby the cooling medium p...
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WO/1990/000709 |
The present invention relates to a device for controlling the supply of oil to a cooling and freezing plant which includes a number of freezing compressors (14-17) and a number of cooling compressors (26-31), whereby the cooling medium p...
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WO/1989/009371 |
Containment means in the form of water-absorbing polymers are included in the path of a refrigeration cycle to remove accumulated water or water vapor that inherently develops. Such polymers do not lose their efficiency even when they be...
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WO/1989/005428 |
A microprocessor provides a diagnostic capability, and includes tables of acceptable values of parameters, such as air discharge temperature, suction pressure, etc., for different automobile makes and air conditioner types; provision is ...
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WO/1989/003963 |
A refrigerant reclaim system includes a compressor (30), a heat exchanger (10), an oil separator (20), a condenser (40), a chill tank (50), a filter-dryer (63) and a cooling coil (65) in the chill tank. Refrigerant to be reclaimed is dra...
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WO/1989/000666 |
A heat pump (1) has a refrigerating circuit comprising a compressor (2), a condenser (3), an expansion valve (4), and an evaporator (5). The evaporator (5) is arranged essentially vertically and consists preferably of a buried refrigeran...
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WO/1988/007654 |
The apparatus (10) consists of a positive type compressor (36) which is driven by a motor (42) and to which refrigerant to be recovered is supplied via a centrifugal separator (24) into which an evaporator (23) and a heat exchanger (25) ...
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WO/1987/006683 |
An oil separator, applicable in compression refrigerating machines, comprises a vertical cylindrical casing (1) with a sleeve (4) for feeding a liquid cooling agent and with sleeves (5, 6) for feeding and carrying away a vaporous cooling...
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WO/1987/005381 |
A fluid flow control system for use with a heat exchange apparatus that includes a first heat exchanger or condenser (6) to extract heat from the heat exchange apparatus, a compressor (8) and a second heat exchanger or evaporator (10) to...
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WO/1986/001882 |
Device for returning oil to at least one compressor (1) in a cooling or refrigerating system, in which the compressor sucks oil (16) from an oil collecting container (13) through at least one suction conduit (14) connected to the collect...
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WO/1983/001985 |
Charging and distributing device for a piston engine, the device including a variable displacement rotary compressor delivering through one of its shafts to a coaxial rotating distribution tube (1, 25), the tube being formed with ports (...
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WO/1983/001491 |
A rotary piston compressor which, due to its geometry, has eliminated virtually all dead space and therefore is of increased efficiency and has a high capacity for handling liquids in liquid/gas mixtures. The specification describes the ...
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JP2012017974 |
To reuse existing refrigerant piping without impairing the reliability of an air conditioner.The air conditioner 1 is constituted of: a compressor 7; an outdoor machine 2 having a four-way valve 8 and an outdoor heat exchanger 9; an indo...
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JP2012007864 |
To provide a liquid receiver using oil which has oil density lower than refrigerant density and becomes non-compatible or weakly compatible in a low evaporation temperature region and can highly efficiently return oil to a compressor in ...
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JP2012002418 |
To provide an air conditioner that operates in cooling mode or heating mode and reduces power consumption.The air conditioner K1 includes a compressor 1, a flow channel switching means 2, an outdoor heat exchanger 3, and a refrigerating ...
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JP2012002473 |
To allow a liquid-phase refrigerant in a gas-liquid separator to properly flow to a suction-side of a compressor.The gas-liquid separator 15 and the compressor 110 are arranged in adjacent to each other, and a liquid-phase refrigerant pa...
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JP2011247575 |
To solve a problem on degradation of separating performance found when a component mounting space is restricted in accompany with miniaturization of a refrigerating cycle unit, and miniaturization of each component and the gas-liquid sep...
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