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Patent Searching and Data


Matches 601 - 650 out of 8,574

Document Document Title
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/1991/014143A1
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...  
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 ...  
JP2014181878A
To provide an air conditioner capable of suppressing increase in refrigerant discharge temperature without making dryness of a refrigerant sucked in a compressor less than 1 when using an R32 refrigerant.A control device 19 controls a fl...  
JP2014181869A
To perform efficient air conditioning operation by increasing a refrigerant circulation amount at an early stage while securing reliability of a compressor by minutely controlling a flow rate of a liquid refrigerant including a refrigera...  
JP2014178045A
To provide an accumulator that properly controls dryness of a compressor by properly controlling the amount of refrigerant oil returned to the compressor, even when requiring a wide operation range as an operation frequency of the compre...  
JP5594170B2  
JP2014173814A
To provide an air conditioner capable of heightening operation efficiency at the time of start-up even when a refrigerant is in a flooded state.An air conditioner includes a refrigeration cycle configured by connecting a heat exchanger 1...  
JP2014173831A
To provide a condenser inn which the first header tank has no segment protruded out of an over-cooling part.The first header tank 3 of a condenser comprises a cylindrical main body 18 having opened lower end and an anti-leakage member 19...  
JP5593084B2  
JP2014167381A
To control suction moist with high controllability in using R32 as a refrigerant, in an air conditioning device having a refrigerant circuit that is provided with expansion valves at an upstream side and a downstream side of a receiver a...  
JP5586880B2  
JP2014522957A  
JP2014159928A
To provide a waste heat utilization heat pump system capable of maintaining lubrication of a compressor.A waste heat utilization heat pump system comprises: a compression type heat pump circuit utilizing a shaft output of a prime mover 2...  
JP2014159906A
To provide an air conditioner with high reliability.The air conditioner comprises: a refrigerant circuit in which a gas-liquid separator, a compressor, a condenser, an expansion valve, and an evaporator are sequentially connected in a ci...  
JP2014159919A
To provide an oil separator reducing individual difference in a direction of swirl flow caused by variation of accuracy in processing a delivery port of a refrigerant inlet pipe.An oil separator 10 has a cylindrical oil separator body 20...  
JP5583134B2  
JP5582713B2  
JP2014521924A  
JP2014521912A  
JP2014152937A
To provide a freezer which has a refrigerant storage container provided between a heat source side heat exchanger and a usage side heat exchanger, temporarily switches heating operation into cooling operation thereby performing defrostin...  
JP2014153038A
To provide an oil separator capable of surely preventing leaked oil from flowing into an open hole again.The oil separator comprises a filter element with which a filter member 37 is disposed between inside and outside punching plates 40...  
JP2014152946A
To provide an oil separator that can improve separation efficiency of lubricating oil at an inlet of an outlet pipe.An oil separator 30 for separating lubricating oil flowing together with a refrigerant from the refrigerant comprises: a ...  
JP2014152945A
To provide an oil separator that can effectively separate lubricating oil from a refrigerant by using centrifugal force.An oil separator 30 for separating lubricating oil flowing together with a refrigerant from the refrigerant comprises...  
JP2014152943A
To provide an air conditioner that can promptly perform forced liquid collection control of a refrigerant in a receiver and appropriately terminate the forced liquid collection control in the receiver without adding a dedicated device su...  

Matches 601 - 650 out of 8,574