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7571622 |
Refrigerant accumulator
A reversible cooling/heating system has an in-line accumulator/dryer unit. The accumulator/dryer unit has a body having first and second ports. A foraminate conduit is positioned at least partially...
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7310970 |
Refrigerant/oil separator
An apparatus for separating an oil from a refrigerant has a housing, an inlet conduit for receiving a refrigerant/oil mixture, a separator medium, a refrigerant outlet conduit, and an oil outlet...
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7273512 |
Process for drying difluoromethane
Process for drying wet F32, which comprises placing a stream of the said F32 in continuous contact with a feed stock of a composition comprising a molecular sieve chosen from a 3A type sieve, at a...
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7216505 |
Multiple stage recirculating single feed refrigeration system with automatic pump down
A method and apparatus for a recirculating system with single feed that incorporates a liquid transfer vessel that helps prevent the vessels in the system from flooding, provides easy displacement...
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7195463 |
Method of installing and renewing an inlet port plate filter in the low pressure side of an automotive air conditioning system
A method of installing a removable inlet port filter plate having a replaceable filter between a compressor inlet port and a suction hose assembly is taught. The inlet port filter plate includes a...
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7178347 |
Method for refrigerant and oil collecting operation and refrigerant and oil collection controller
A method for refrigerant and oil collecting operation capable of assuring the cleanliness of the inside of an existing communication pipe at a low cost and installing, at a low cost, a new air...
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7127908 |
Polypropylene or polyester plastic desiccant cartridge with fiberglass filter and bead cage ends
A desiccant container ( 2 ) which comprises a generally cylindrically cross-sectioned cup, two dual-density fiberglass discs ( 6, 8 ), desiccant material ( 4 ), and a cap ( 16 ). The cup includes...
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7104087 |
Multi-type air conditioner
Multi-type air conditioner is disclosed for effective removal of foreign matters in refrigerant pipelines, including an outdoor unit having a compressor, an outdoor heat exchanger, a flow path...
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7048777 |
Method and apparatus for removing waxy materials from a gas stream
The invention uses both heating and cooling zones to prevent the precipitation of solids onto equipment surfaces until they are efficiently removed from the gas phase via one or more heat...
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6957550 |
Method and apparatus for extracting non-condensable gases in a cooling system
A cooling technique involves: reducing a pressure of a cooling fluid to a subambient pressure at which the cooling fluid has a boiling temperature less than a temperature of a heat-generating...
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6952938 |
Purge system and method of use
A purge system operable to remove lubricant from a liquid refrigerant material removed from an evaporator of a mechanical refrigeration system. The contaminated liquid refrigerant is delivered to...
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6925821 |
Method for extracting carbon dioxide for use as a refrigerant in a vapor compression system
Carbon dioxide refrigerant is circulated through a vapor compression system including a compressor, a gas cooler, an expansion device, and an evaporator. Carbon dioxide is extracted from a vehicle...
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6843070 |
Refrigerant recycling system with single ball valve
A refrigerant handling system includes coupling apparatus for coupling a refrigerant processing apparatus to an automotive air-conditioning system. The coupling apparatus includes a ball valve...
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6748762 |
Absorption-refrigerator
An absorption-refrigerator provided with a mechanism for recuperating heat from the exhaust gas, wherein water vapor contained in the exhaust gas is prevented from condensing even during the...
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6694768 |
Non-frost deep-freezing gas dehydrator
The present invention related to a refrigeration dehydration apparatus for efficient and cost-effective dehydration of a variety of gases, in particular natural gas to very low dewpoint without...
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6672080 |
Rapid cooling device and method of rapidly cooling the device
A rapid cooling apparatus passing hot exhaust gas in a short time along a flow path formed in a cooling setting with piled up arrangement and having a reduced cross-sectional area of the flow path...
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6632294 |
Corrosion protection of steel in ammonia/water heat pumps
Corrosion of steel surfaces in a heat pump is inhibited by adding a rare earth metal salt to the heat pump's ammonia/water working fluid. In preferred embodiments, the rare earth metal salt...
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6604367 |
System for providing refrigeration for chemical processing
A system for providing refrigeration to a chemical processing operation wherein a refrigerant fluid is compressed and cooled, and a portion turboexpanded prior to being passed to a chemical...
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6591629 |
Refrigerant recovery system having integrated two-phase distillation and filtration path
A refrigerant recovery system that includes an accumulator, a storage tank and an integrated two-phase distillation and filtration path interposing the accumulator and the storage tank. The...
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6589444 |
Process for separating water from chemical mixtures
The present invention relates to novel compositions of drying agents of superabsorbent polymers, molecular sieves and mixtures thereof and binders of polyurethane foam, polyisocyanurate foam and...
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6484526 |
Manifold gauge assembly
A manifold gauge assembly that combines in a single apparatus the features of a manifold gauge set and the features of a phase change device. The manifold gauge assembly may be utilized for...
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6438972 |
Vessel assembly and related manufacturing method
A vessel assembly and related assembly method that includes a flexible J-tube assembly that bends in compliance during assembly to a vessel to ensure locating of a filter unit against an inside...
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6438970 |
Apparatus methods and compositions for placing additive fluids into a refrigerant circuit
A supply canister is partially filled with a refrigerant circuit additive fluid which is partially evacuated, said refrigerant circuit additive fluid is comprised of a combination of a binding...
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6427469 |
Refrigerant conditioning system
A refrigerant conditioning system for cleansing debris and lubricants from refrigerants. The refrigerant conditioning system includes an housing; a refrigerant inlet assembly designed for...
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6422028 |
Air conditioner and method for manufacturing the same
Disclosed herein is an air conditioner and method for manufacturing the same. The air conditioner includes a condensate water tray attached to the bottom of an evaporator. A rear evaporator cover...
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6405542 |
Liquid refrigerant separator
A refrigeration system including a condenser, a compressor, an evaporator and an accumulator is provided. The refrigeration system includes a device for preventing condensation of liquid...
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6401465 |
Absorption chiller leak detection and location and checking hydrogen removing cells
A hydrogen sensor ( 33 ) protected from water vapor by a membrane ( 35 ) indicates increases in hydrogen concentrations which are indicative of a leak in an absorption chiller ( 13 ). A helium...
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6381979 |
Dual containment condensation assembly
An assembly for condensing a vapour and storing the resulting condensed liquid has a condensation unit for condensing the vapour which is located above a dual containment storage tank for storing...
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6357240 |
Apparatus and method for flushing a chiller system
A method for flushing contaminants from a contaminated refrigeration system, comprising flushing a continuously purified volatile composition through a portion of a refrigeration system during a...
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6336343 |
Two-stage absorption refrigerating apparatus
A two-stage absorption refrigerating apparatus includes an integrated drum in which a low-pressure evaporator and a low-pressure absorber are arranged in an upper part and a high-pressure...
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6293125 |
Non-directional filter dryer
A filter dryer for an air-conditioning system, including an elongated housing enclosing loose molecular sieve material, first and second fluid ports into the housing, a filter basket assembly...
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6276169 |
Apparatus and method for analysis of impurities in liquid carbon dioxide
Liquid CO 2 is expanded in specially designed primary and secondary nozzles to produce frozen solid CO 2 . The impurities initially contained in the liquid CO 2 are trapped inside of the frozen...
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6257002 |
Condensate handling assembly and method
A condensate handling assembly comprises a collection container for receiving and retaining condensate, a heating container for receiving condensate from the collection container, and a heating...
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6244055 |
Refrigerant recovery and recycling system
An apparatus for recovering and recycling refrigerant from an air conditioning unit. The apparatus includes a combined oil separator and heat exchanger for condensing purified refrigerant and for...
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6176093 |
Automotive air conditioning refrigerant filter and method
A method of preventing debris entrained in the refrigerant of an automotive air conditioning system from circulating through the compressor of the system is provided. The method comprises the steps...
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6164080 |
Apparatus and method for flushing a refrigeration system
A method for purging contaminants from a contaminated refrigeration system, comprising providing a source of recycled volatile composition to a refrigerant system; passing the recycled volatile...
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6029472 |
Refrigerant recycle and reclaim system
A refrigerant recycle and reclaim system includes two liquid refrigerant receivers; a low and a high pressure compressor in fluid communication with each other, each having their own oil separator;...
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5956969 |
Hydrogen discharger and apparatus comprising the same
A hydrogen discharger comprising hydrogen discharge pipes for discharging hydrogen from hydrogen-containing gas contained therein, which are made from palladium and constituted to be satisfactory...
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5946921 |
Method for repairing HFC refrigerant system
A combination of a chemical filter and a molecular sieve desiccant dryer are provided in the liquid line of the refrigeration system in a refrigerator which contains a chlorine-free...
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5943867 |
Refrigerant reclamation system
An apparatus and method for reclaiming refrigerants is provided. Specifically, the reclamation system provides a decontamination system for removing contaminants from liquid and vapour phases of a...
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5882543 |
Compositions and methods for dehydrating, passivating and sealing systems
Methods and compositions for dehydrating, passivating and coating HVAC and refrigeration systems having fluid enclosures are provided. The methods include adding a composition including...
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5879581 |
Composition for use in refrigeration cycle and refrigerating apparatus
In a composition for use in a refrigeration cycle which comprises at least a hydrofluorocarbon, a refrigerator oil, and a desiccating agent, the desiccating agent possesses a capacity for...
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5842349 |
Refrigeration system and method of installing same
A refrigeration system includes an outdoor unit having a refrigeration compressor and a heat exchanger, and an indoor unit having a heat exchanger to be placed where air conditioning is desired. In...
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5813240 |
Method for constructing a refrigerating cycle including a process of removing oxygen
A method for constructing a refrigerating cycle that has a unit having a refrigerating compressor which is filled with a part or all of a quantity of working medium beforehand and a heat exchanger,...
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5806322 |
Refrigerant recovery method
A refrigerant recovery system for use in connection with a refrigeration system having an evaporator, a compressor, and a condenser, and a purge unit connected to the condenser for receiving...
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5737929 |
Method and means for separating oil and impurities from a refrigerant in an air conditioning system
Method and apparatus are disclosed for separting a refrigerant from oil and/or impurities contained in components of a compressor cooling system. When retrofitting a compressor cooling system using...
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5709091 |
Refrigerant recovery and recycling method and apparatus
A portable refrigerant recovery and recycling system for removing and recycling chloroflourocarbon (CFC), hydroflourocarbon (HFC) and hydrochloroflourocarbon (HCFC) refrigerants from refrigeration...
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5671605 |
Refrigerant recovery system
A refrigerant recovery system for recovering refrigerant from a cooling system is disclosed. A compressor (60) is provided having an oil drain outlet (66). An oil separator (50) is also provided...
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5666812 |
Apparatus and process for renewing refrigerants
A system for purifying a refrigerant (ammonia, Freon, etc.) puts impure liquid refrigerant into a container with a liquid chemical that reacts chemically with the impurity (water, acid, etc.) to...
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5664424 |
Refrigerant handling system and method with air purge and multiple refrigerant capabilities
A refrigerant handling system that includes a closed chamber having an inlet for directing refrigerant in liquid phase into the chamber such that the refrigerant collects at a lower portion of the...
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