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7272953 |
Method and apparatus for separating and neutralizing ammonia
The present invention is a method and apparatus to provide for the safe and effective removal and neutralization of ammonia from a stream of waste oil or other liquid. The apparatus consists of a...
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7013660 |
System for forming aerosols and cooling device incorporated therein
The present invention relates a cooling device of the reverse Carnot cycle-type using a refrigerant, and an aerosol generation system including it. The cooling device includes a refrigerator of the...
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6755029 |
Ammonia separator and neutralizer
The present invention is a method and apparatus to provide for the safe and effective removal and neutralization of ammonia from a stream of waste oil or other liquid. The apparatus consists of a...
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6705100 |
Purge
A purging device for a system accumulating condensable and non-condensable gases. The purging device comprises: a purge tank; apparatus receiving the condensable and non-condensable gases from the...
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6467301 |
Refrigeration system with purge
The improved refrigeration system also includes a tee having a stem portion extending horizontally from the condenser of the system, and a pair of upper and lower arms connected in a vertical...
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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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6263694 |
Compressor protection device for refrigeration systems
A device is added to a refrigeration system to protect the compressor from liquid slugging. The device traps liquid slugs in the suction pipe and then injects the trapped slugs into the discharge...
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6263691 |
Refrigerant recovering apparatus and refrigerant recovering method
This refrigerant recovery system is provided with recovery piping 2, heat exchangers 25, 26 and check valves 30, 31, 37, 38. A refrigerant within the recovery piping 2 is heated and cooled by the...
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6247330 |
Absorption type refrigerator
For minimizing declination of the operational efficiency, hydrogen gas generated in an absorption type refrigerator is eliminated by reduction without exhausting to the outside. The hydrogen gas H...
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6138462 |
Refrigerant recovery and recharging system with automatic oil drain
A conduit is coupled to an oil accumulator with an orifice coupled in series with the conduit for limiting the flow of oil therethrough. A pressure sensor is coupled to the conduit for measuring...
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6134899 |
Refrigerant recovery and recharging system with automatic air purging
Conduits are coupled to a supply tank of refrigerant to allow the sensing of the amount of air present in the refrigerant tank and, upon the detection of air, the purging of air from the tank with...
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6055821 |
Purge system for an absorption air conditioner
Apparatus for purging non-condensable gases from an absorption system containing a purge tank connected to the system absorber for collecting non-condensables. A vacuum pump is connected to the...
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5921097 |
Purge processor
A purge processor for purging air and other noncondensibles from refrigeration systems or refrigeration handling systems includes: an inlet gas connector for receiving a gaseous mixture of...
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5910160 |
Enhanced refrigerant recovery system
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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5906106 |
Refrigerant air analyzer and purge system
A refrigerant air analyzer and purge system for detecting and purging air within a refrigerant system or supply. The analyzer includes a vented test chamber, means for controlling a flow rate of...
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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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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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5623833 |
System and method for recovering and separating non-condensing gases from a halocarbon composition
A high efficiency, high rate system for recovering and removing non-condensable gases from a halocarbon composition. A collection tank with an integral heat exchanger unit is submerged in a liquid...
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5605054 |
Apparatus for reclaiming refrigerant
An apparatus for reclaiming refrigerant including a distillation tank, an eliminator arranged within an upper portion of said distillation tank, a booster connected to an upper end of the...
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5598714 |
Method and apparatus for separation of refrigerant from a purge gas mixture of refrigerant and non-condensible gas
A method and apparatus are disclosed for separation of non-condensible gas from recovered refrigerant collected in a collector tank. Non-condensible gas is intermittently vented from the collector...
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5592826 |
Air conditioning systems with purge
An air conditioning system includes a self-regulating flow controller having no moving parts that provides a liquid seal between a purge vessel and the evaporator barrel of a chiller. Circulating...
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5582023 |
Refrigerant recovery system with automatic air purge
A portable apparatus for recovering refrigerant from a refrigeration system and delivering the refrigerant to a refrigerant storage tank. The recovery is automatically terminated when the liquid...
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5582019 |
Method and apparatus for recovering and purging refrigerant
Apparatus for recovering refrigerant from a refrigeration system having a high pressure liquid side and a low pressure vapor side comprises a storage receptacle for receiving recovered refrigerant,...
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5544492 |
Refrigerant handling system and method with air purge and multiple refrigerant capabilities
A refrigerant handling system that includes a chamber for holding refrigerant, and a refrigerant pump for directing refrigerant into the chamber so that the refrigerant collects in liquid phase at...
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5535596 |
Refrigerant reclamation and purification apparatus and method
A portable refrigerant reclamation and purification apparatus removes moisture, oil, solid particulates, non-condensables, acid and other contaminants from refrigerant. Contaminated refrigerant is...
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5515690 |
Automatic purge supplement after chamber with adsorbent
A purge supplement includes a vessel that attaches to a gas discharge line of a purge system. Adsorbent material is disposed within the vessel. In a Vent Mode the purge system vents into the vessel...
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5501082 |
Refrigeration purge and/or recovery apparatus
An improved refrigerant recovery method and apparatus by which a refrigerant charged in a refrigerator is transferred into a refrigerant tank are disclosed. The apparatus is adapted to discharge...
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5467608 |
Apparatus for collecting a volatile condensate and for separating non-condensible gas therefrom
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, inasfar as the vapor...
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5465590 |
Refrigerant reclaim with air purge
A refrigerant reclaim system including an automatic air purge system. The refrigerant reclaim system has an evaporator, oil separator, compressor, condenser, storage tank, and a filter-drier. An...
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5417075 |
Refrigerant filtation system with filter change indication
Apparatus for purification of refrigerant that includes a replaceable filter/dryer unit for removing water from refrigerant passing therethrough and having a predetermined water absorption...
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5400613 |
Purger for refrigeration system
A portable purging apparatus that automatically removes air and non-condensable gases from an operating refrigeration system wherein refrigerant gas condenses at a cooling coil disposed in the...
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5398518 |
Device for recovering refrigerant from a closed cooling system
The invention relates to a device for recovering refrigerant, particularly chlorofluorocarbons, from a closed cooling system, comprising a perforator with which a gas-tight connection can be formed...
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5388416 |
Refrigerant handling method with air purge and system clearing capabilities
A refrigerant handling system that includes an air purge chamber and a refrigerant pump for directing refrigerant into the air purge chamber so that the refrigerant collects in liquid phase at a...
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5379607 |
Refrigerant recovery and recycling system
A refrigerant recovery and recycling system recovers refrigerant from refrigeration equipment, removing contaminants, for storage and eventual reuse. The system includes a separation unit in which...
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5377499 |
Method and apparatus for refrigerant reclamation
A method and apparatus for reclaiming refrigerant are described to include a bypass line for hot gas is coupled to a distillation liquid temperature control, which controls the temperature of the...
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5369959 |
Non-condensable purge control for refrigerant recycling system
A refrigerant recycling system includes a recycled refrigerant tank for storing recycled refrigerant, and first and second valves connected in series between the recycled refrigerant tank and...
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5368746 |
Environmentally beneficial bypass filter system for use with low pressure centrifugal refrigeration equipment
A bypass filter system for use in low pressure, centrifugal type refrigeration equipment which allows complete isolation of a submicron filter element from the lubrication system through use of an...
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5355685 |
Purification of refrigerant
The presence of an undesirable quantity of noncondensible gases in a refrigeration unit is inferred as a function of both the vapor pressure and temperature at a selected point in the refrigeration...
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5337578 |
Trapped air monitor for a refrigerant recovery unit
A monitor used in refrigerant recovery systems to detect and reduce non-condensable vapor in a storage container. The monitor has a sampling reservoir that draws a sample of liquid refrigerant...
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5327741 |
Refrigerant recovery and purification machine
A refrigerant recovery machine which includes a distiller, oil separator, filters and an air separator to purify and reclaim refrigerant gas from a cooling system. The air separator may include a...
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5313805 |
Apparatus and method for purging a refrigeration system
Provided is a purge apparatus for removing foreign non-condensable gases from a refrigeration system. The purge apparatus includes a closed purge chamber adapted to receive foreign gases together...
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5309729 |
Thermal purge system
A thermal purge system includes a purge vessel into which is introduced hot gaseous refrigerant fluid from the outlet of a conventional chiller. A first coil having very cold refrigerant fluid...
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5291743 |
Refrigerant reclaim with automatic air purge
A refrigerant reclaim system including an automatic air purge system. The refrigerant reclaim system has an evaporator, oil separator, compressor, condenser, storage tank, and a filter-drier. An...
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5241837 |
Double pass purge system
An auxiliary purge unit to be retrofitted to the existing purge unit of a low pressure refrigeration system includes a double-walled condenser portion, a pneumatic pressure chamber and a...
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5211024 |
Refrigerant filtration system with filter change indication
Apparatus for purification of a single refrigerant type, or of differing refrigerant types having differing density and moisture solubility characteristics, that includes a filter/drier unit for...
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5193351 |
Refrigerant recovery and purification system
A refrigerant recovery and purification system that includes a refrigerant compressor having an inlet for connection to refrigeration equipment under service from which refrigerant is to be...
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5187953 |
Fail-safe apparatus for purge system
Provision is made in a refrigeration purge system for sensing certain conditions indicative of failure of components within the system, to responsively shut-down the system and prevent refrigerant...
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5099653 |
Apparatus for purification and recovery of refrigrant
A refrigerant purification and recovery apparatus for removing refrigerant from a refrigeration unit includes a compressor, condenser and receiver vessel. Second and third conduits conduct...
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5078756 |
Apparatus and method for purification and recovery of refrigerant
A refrigerant purification and recovery apparatus for removing refrigerant from a refrigeration unit and for purifying the refrigerant removed from the refrigeration unit includes a compressor,...
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5065594 |
Automatic purger for absorption heat pump
An automatic purger for an absorption heat pump has a generator, a condensor, an evaporator and an absorber. The purger includes an eductor connected to the absorber, a purging chamber connected to...
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