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Patent Searching and Data


Matches 501 - 550 out of 4,070

Document Document Title
WO/1998/039605A1
A refrigeration system comprises a compressor (1), a condensor (2), a receiver (3) and an evaporator (4), each having an inlet and an outlet, and a separator (5) having an inlet and a first and a second outlet, connected to each other co...  
WO/1998/037936A1
A device for recovering and separating impurities from the cooling fluid of a conditioning system comprises: a cylindrical container (1) provided at its top with an inlet (20) for the fluid/impurities mixture and with an outlet (21) for ...  
WO/1998/038264A1
A vapor compression refrigerator provided with a hydraulic medium comprising a coolant comprising HFC 32 as the indispensable component and at least one refrigerator oil selected from ether-base and ester-base refrigerator oils, wherein ...  
WO/1998/036229A1
A refrigeration system (10) employing a screw compressor (12) and a falling film evaporator (20) makes use of high-side pressure to drive lubricant, which escapes the compressor (12) and collects as a lubricant-rich mixture of lubricant ...  
WO/1998/030847A1
A refrigeration system having a closed circulating circuit filled with a refrigerant which on evaporation expands and gives rise to an increase in pressure in the whole of or parts of the circulating circuit, and which at ambient tempera...  
WO/1998/021531A1
Air reservoirs (37a, 37b) are provided on at least suction sides or discharge sides of circulating pumps (14a, 14b) which constitute a heat radiation cycle or a heat absorption cycle. The circulating pumps (14a, 14b) are provided in posi...  
WO/1998/015789A1
An apparatus for separating liquid, e.g. oil, from a gas comprises a first casing part (1), a second casing part (10), a core structure (14), and oil removal means. The casing parts are adapted for mating, mutual, sealed engagement with ...  
WO/1998/015788A1
A control valve (17) comprises a valve housing (40) defining a valve seat (20) together with a valve cone (22) guided to be movable whereby to control passage of fluid from the valve inlet to the valve outlet. A valve piston (23) may for...  
WO/1998/013654A1
A purge processor for purging air and other noncondensibles from refrigeration systems or refrigeration handling systems includes: an inlet gas connector (12) for receiving a gaseous mixture of noncondensibles and refrigerant; a first an...  
WO/1998/012468A1
A method and device is disclosed for removing residual oil and other contaminants from the refrigerant stream flowing to low-temperature stages of a cryogenic refrigerator. A stream of vapor and liquid refrigerant is injected into a cycl...  
WO/1998/010854A1
An improved oil filter unit (5) for attachment to a bight portion of a 'J' tube of an accumulator dehydrator includes a rigid, preferably metal pick-up tube or projection (10). The rigid projection prevents collapse of an extension (24) ...  
WO/1998/011396A1
An accumulator dehydrator (14), for use in an automotive air conditioning system (10), wherein the accumulator includes an inlet tube (16), an outlet tube (17) located below the inlet, an aluminum deflector (1) for preventing liquid refr...  
WO/1998/004875A1
A receiver/dryer (10) includes a canister (12) with a cylindrical sidewall (13), an integral lower end (14), and an open upper end (16). A pick-up tube (18) is disposed centrally within the canister. According to one aspect, the lower en...  
WO/1997/038783A1
A package (40) containing a quantity of adsorbent material (45) is formed of tubular porous polyester felt material formed with substantially identical first and second pouches (42, 44). Pouches (42, 44) are joined to each other at upper...  
WO/1997/038269A1
The proposed refrigeration system (10) includes an evaporator (20), which allows inherent absorption of heat from the ambient, a condenser (14) returning refrigerant to a liquid state, a compressor (12) delivering refrigerant within the ...  
WO/1997/033129A1
A receiver dryer (20) for an automobile air conditioning system (10) is produced by physically working a metal blank by impact extrusion to form a receptacle with a continuous side wall (21) and an end wall at one end having a relatively...  
WO/1997/030775A1
A desiccant cartridge (10) including a molded plastic shell (17) having an outer cylindrical portion (19) and an inner tubular portion (20) connected by a plurality of ribs (21) which extend therebetween, a molded plastic end cover grid ...  
WO/1997/028876A1
A container (10) for particulate desiccant (12) comprises a cup (14) and a cap (16). The cup (14) includes spaced inner (18) and outer (22) wall portions connected by a transverse web portion (24) to define a chamber (26) having an openi...  
WO/1997/022841A1
The invention relates to refrigerating apparatus, in particular domestic refrigerating apparatus, such cooling or freezing apparatus, which has at least one refrigerating circuit with a dryer cartridge (24) arranged therein. In the cartr...  
WO/1997/011324A1
A method and apparatus are disclosed for separation of non-condensible gas from recovered refrigerant collected in a collector tank (12). Non-condensible gas is intermittently vented from the collector tank. The vented non-condensible ga...  
WO/1997/009576A1
A container is provided for housing desiccant material therein and for facilitating fluid flow therethrough to a surrounding environment. The container comprises a cup member (14) including a base or bottom wall member and a generally cy...  
WO/1996/030695A1
A method and device is disclosed for removing residual oil and other contaminants from the refrigerant stream flowing to low-temperature stages of a cryogenic refrigerator. A stream of vapor and liquid refrigerant coming from an air-cool...  
WO/1996/029554A1
An outdoor machine having a four-way valve, a compressor, an outdoor heat exchanger and an expansion means connected via a piping in that order and an indoor machine having an indoor expansion means and an indoor heat exchanger connected...  
WO/1996/027107A1
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...  
WO/1996/026867A1
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) ...  
WO/1996/020378A1
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;...  
WO/1996/012921A1
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 ...  
WO/1996/009512A1
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...  
WO/1996/007088A1
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) ...  
WO/1996/000369A1
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...  
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/1995/030117A1
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/1995/018945A1
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/1991/014143A1
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 ...  

Matches 501 - 550 out of 4,070