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Patent Searching and Data


Matches 551 - 600 out of 8,514

Document Document Title
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/1991/014143A1
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/1991/014142A1
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/1991/008428A1
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...  
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 ...  
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Matches 551 - 600 out of 8,514