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4430866 |
Pressure control means for refrigeration systems of the energy conservation type
A refrigerating system of the type used in supermarkets for refrigerating foods merchandised in refrigerated display cases, utilizes a control valve sensitive to pressures in a surge receiver and...
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4341092 |
Liquid modulator
A compression refrigeration system having means to pass the low pressure gas from the evaporator in heat exchange relationship with the high pressure liquid passing from the condenser to the...
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4329855 |
Heat pump
In a heat pump with a circulation system for a refrigerant, including a compressor, a condensor, a choke member, and an evaporator, there is provided a receiver arranged as a jacket heat exchanger...
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4324106 |
Refrigeration system
An improvement in a recirculating refrigeration system which includes an "economizer" compressor. The economizer compressor is in a flash gas handling sub-system which receives flash gas from the...
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4317334 |
Remote refrigeration system with controlled air flow
A refrigeration system in which compressors are mounted in one compartment of the housing and condensers and receivers are mounted in an adjacent compartment. Ambient cooling air flows first into...
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4313315 |
Compressor refrigeration circuits
A closed refrigeration circuit comprises in series a compressor, a condenser, a drier-filter, a capillary tube, an evaporator, and a conduit connecting the evaporator to the condenser and...
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4272970 |
Compression refrigeration system
A compression refrigeration system having a compressor, a condenser, an evaporator, and a liquid refrigerant in which a capillary tube is positioned within an enclosure. The liquid refrigerant from...
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4232533 |
Multi-stage economizer
An economizer is disclosed having a plurality of stages for flash cooling refrigerant liquid for use in a refrigeration system. The refrigerant liquid is cooled by evaporation of a portion of the...
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4231229 |
Energy conservation system having improved means for controlling receiver pressure
Disclosed is a means for preventing "logging" of receivers, that is, the excess filling of a receiver with liquid in a refrigeration system of the type in which a compressor, a condenser, and one...
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4223537 |
Air cooled centrifugal water chiller with refrigerant storage means
An air cooled centrifugal water chiller is disclosed which may be operable (1) under conditions of low outdoor ambient temperature, requiring flooding of the air cooled condenser in order to reduce...
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4214453 |
Injector cooler controls
An injector cooler control system which controls the flow of refrigerant from a common receiver that ties a common refrigeration plant to more than one injector cooler systems. The control system...
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4178765 |
Means for causing the accumulation of refrigerant in a closed system
A compression refrigeration system having means for causing the accumulation of refrigerant in a selected area when the refrigeration system is inactive by providing a reservoir having a material...
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4167102 |
Refrigeration system utilizing saturated gaseous refrigerant for defrost purposes
A system for refrigerating food products utilizes a saturated gaseous refrigerant, commonly called "cool gas" for defrosting an evaporator or set of evaporators. When defrost is to occur, the...
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4096706 |
Free condensing liquid retro-pumping refrigerator system and method
A compressor, condenser, pressure control valve, condensed liquid receiver, expansion valve and evaporator are arranged in circuit to provide a refrigeration system. The pressure control valve and...
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4068494 |
Power saving capacity control for air cooled condensers
A refrigerant flooding type capacity control for air cooled condensers used in compression type mechanical refrigeration systems where the liquid receiver is located in a bypass around the...
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4012921 |
Refrigeration and hot gas defrost system
A refrigeration system including at least one compressor, a condenser for receiving hot gaseous refrigerant from the compressor and condensing same, a discharge line for supplying hot gaseous...
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3981703 |
Multistage vane type rotary compressor
A rotary vane compressor wherein the vane slots are used as compression chambers in a supplemental compression stage.
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3919859 |
Refrigerating system
A recirculating refrigeration system. The system includes a receiver tank separated into an upper chamber and a sump chamber by a bulkhead. Liquid refrigerant from a condensor is delivered to said...
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3837175 |
REFRIGERATION SYSTEM HAVING IMPROVED HEAT TRANSFER AND REDUCED POWER REQUIREMENTS
A refrigeration system employing oil-lubricated compressors has an improved arrangement for removing oil from the refrigerant, and by use of a liquid pump and with utilization of by-product heat...
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3831394 |
HEADER DISTRIBUTION SYSTEM FOR ICE RINKS
A system for providing a refrigerant to an ice rink, the system including a compressor means for compressing a refrigerant, means for delivering the compressed refrigerant to a low pressure...
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3785164 |
PRECHARGED RECEIVER DRIER FOR AUTOMOBILE AIR CONDITIONING SYSTEMS
A precharged receiver drier unit for automobile air conditioning systems, including a molecular seive and an axially reciprocable valve fitting for connection to the automobile refrigerant system....
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3769808 |
REFRIGERATION SYSTEMS WITH ELEVATED RECEIVERS
In air cooled refrigeration systems of the compression type which may operate in low ambients with no or minimum condenser capacity control, it is sometimes required to locate the evaporator high...
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3765192 |
EVAPORATOR AND/OR CONDENSER FOR REFRIGERATION OR HEAT PUMP SYSTEMS
This invention describes a unitary structure which can be used interchangeably as an evaporator or as a condenser in a refrigerating system, or in a heat pump system. It comprises generally a...
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3664150 |
HOT GAS REFRIGERATION DEFROSTING SYSTEM
An improved dual refrigeration and defrost system having cycles of refrigeration and defrost so integrated that the heat collected from one bank of refrigerating evaporators is used for defrosting...
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3525234 |
RECEIVER CONTAINING A THERMOSTATIC EXPANSION VALVE AND SUCTION THROTTLING VALVE
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3466892 |
REFRIGERATION SYSTEM FOR ICE RINKS
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3427819 |
HIGH SIDE DEFROST AND HEAD PRESSURE CONTROLS FOR REFRIGERATION SYSTEMS
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3352124 |
Liquid refrigerant recirculating system
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3350898 |
Refrigeration systems using high pressure receivers
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3324675 |
Aircraft air conditioning systems
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3276219 |
Refrigeration system for cold vapor blast
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3248895 |
Apparatus for controlling refrigerant pressures in refrigeration and air condition systems
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3238737 |
Heated receiver winter control for refrigeration systems
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3214932 |
Liquid transfer system
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3212289 |
Combination accumulator and receiver
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3205674 |
Unitized refrigeration station
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3147602 |
Defrost method and means for refrigerated cabinets
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3145543 |
Means for controlling the head pressure in refrigerating systems
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3145545 |
Air conditioning and refrigeration apparatus for motor vehicles
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3138940 |
Self contained air conditioner
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3133426 |
Refrigeration apparatus for operation under low head pressures
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3111135 |
Improved accumulator for refrigerating system
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3110164 |
Heat pumps
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3093976 |
Refrigeration system including receiver
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3084523 |
Refrigeration component
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3082610 |
Method and apparatus for controlling pressure entering refrigerant flow device
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3081603 |
Refrigeration system supports
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3081607 |
Defrostable refrigeration system
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3065610 |
Charge stabilizer for heat pump
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3064445 |
Refrigeration system with means to maintain a minimum condensing pressure
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