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Patent Searching and Data


Matches 701 - 750 out of 9,017

Document Document Title
WO/1995/030117A1
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;...  
WO/1995/029847A1
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...  
WO/1995/018945A1
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...  
WO/1995/016886A1
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...  
WO/1995/012792A1
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...  
WO/1995/003110A1
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,...  
WO/1994/024497A1
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...  
WO/1994/017348A1
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...  
WO/1994/012834A1
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...  
WO/1993/010409A1
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...  
WO/1993/004286A1
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...  
WO/1992/018817A1
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...  
WO/1992/018816A1
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...  
WO/1992/012347A1
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...  
WO/1992/006339A1
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...  
WO/1991/019141A1
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...  
WO/1991/019140A1
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...  
WO/1991/014142A1
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 ...  
WO/1991/014143A1
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...  
WO/1991/008428A1
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 ...  
WO/1991/008427A1
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...  
WO/1990/014873A1
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...  
WO/1990/014565A1
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...  
WO/1990/012263A1
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...  
WO/1990/008931A1
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...  
WO/1990/007092A1
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 ...  
WO/1990/000710A1
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...  
WO/1990/000709A1
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...  
WO/1989/009371A1
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...  
WO1989005428A3  
WO/1989/005428A2
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 ...  
WO/1989/003963A1
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...  
WO/1989/000666A1
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...  
WO/1988/007654A1
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) ...  
WO/1987/006683A1
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...  
WO/1987/005381A1
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...  
WO/1987/002757A1
A refrigerant recovery and purification system (10) for recovering refrigerant from a heat pump, air conditioner, or other vapor compression refrigerant system into a storage tank while concurrently purifying the recovered refrigerant of...  
WO/1986/001882A1
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...  
WO/1983/001985A1
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 (...  
WO/1983/001491A1
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 ...  
JP2016527465A
本発明は、ヒートポンプ(1)を運転する方 法であって、少なくとも1つの凝縮装置(5 )により流体を凝縮するステップ、少なくと も1つの膨張装置(6)により流体を膨...  
JP5983678B2  
JP2016161211A
【課題】圧縮機の摺動部に、冷媒で希釈され た低粘度の冷凍機油が供給されることによる 摺動部の損傷を抑制することができる冷凍装 置を提供する。【解決手段】冷凍装置は...  
JP2016161190A
【課題】各圧縮機の潤滑油不足を素早く解消 する冷凍装置及びヒートポンプを提供する。 【解決手段】冷凍装置10は、冷凍サイクル を行う冷媒回路と、連通管31と、連通...  
JP2016161163A
【課題】圧縮機から冷媒と共に吐出された油 によって圧縮機の動力が増加するのを防止し 、省エネルギー性が向上した空気調和機を提 供する。【解決手段】油が封入され、冷...  
JP2016161138A
【課題】R32冷媒を用いても圧縮機内の油 温上昇を抑え、R410A冷媒対比同等の許 容運転範囲を確保できるとともに、油循環率 の増大や冷凍サイクルの能力等への影響...  
JP2016156557A
【課題】コストアップを抑制し、エコノマイ ザの過冷却と圧縮機の吐出ガス温度の各制御 と液配管の露付き抑制とが図れる冷凍サイク ル装置を提供する。【解決手段】本発明...  
JP2016156597A
【課題】アキュームレータに貯溜される冷媒 の突沸による騒音を防止できる冷蔵庫を提供 する。【解決手段】冷媒管25を介して圧縮 機21、凝縮器22、膨張器23、蒸発...  
JP2016156315A
【課題】R32冷媒或いはR32冷媒を70 重量%以上含む混合冷媒を使用するとともに 吸込過給効果を利用するように吸入管の長さ 寸法を大きくした場合において、圧縮機...  
JP5981860B2  

Matches 701 - 750 out of 9,017