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7621151 |
Pressure control valve
A pressure control valve has a temperature sensing portion. The temperature sensing portion includes a diaphragm and a cap member. A peripheral portion of the diaphragm is fixed to a peripheral...
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7621143 |
Cooling systems
A self contained cooling system which is amenable to miniaturization so as to accommodate space and connectivity restrictions implicit in computer and other electronics apparatus while enhancing...
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7527089 |
Heat exchanger with multiple stage fluid expansion in header
A heat exchanger includes a plurality of flat, multi-channel heat exchange tubes extending between spaced headers. Each heat exchange tube has an inlet end in fluid flow communication with one of...
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7404538 |
Dual restrictor shut-off valve
A shut-off valve for pressurized fluids in an air cooling/heating apparatus having a first duct receiving a first restrictor and a second restrictor. Both restrictors are coaxially formed with a...
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7395678 |
Refrigerant receiving apparatus
A system for modulating refrigerant flow from an evaporator of an air or gas drying apparatus wherein the air or gas drying apparatus has an evaporator shell with at least one exit orifice for...
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7363940 |
Flow-rate restrictor insert for orifice expansion device
A generally cylindrical restrictor insert for containing an axially movable, apertured restrictive member, housed in a flow control distributor housing of an orifice expansion device used for...
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7340920 |
Circuit with two-step capillary tube throttling and receiver
A Thermostatic Flow Controller composed of two capillary tubes and a tube form receiver, placed in thermal contact with the suction line. It makes a robust, hermitic closed device, without any...
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7290567 |
Refrigerating cycle device, air conditioner, choke, and flow rate controller
In a refrigerating cycle incorporating a second flow controller having a throttle section, which is composed of an inlet noise eliminating space, an inlet side porous permeable member communicating...
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7275391 |
Assembly for refrigerant circuits
The invention relates to an assembly for refrigerant circuits that is arranged between the compressor and the evaporator thereof including a housing with a through channel. Within the through...
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7263857 |
Constant flow rate expansion value
To reduce the degree of influence of differential pressure on a pilot valve of a constant flow rate expansion valve. The constant flow rate expansion valve comprises a restriction passage for...
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7237403 |
Refrigerated cabinet
A refrigerated cabinet includes a fan assisted refrigeration unit and a duct in communication with the fan, for distributing cold air from the fan throughout the cabinet; the duct is substantially...
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7225630 |
Refrigerating cycle apparatus, air conditioning apparatus, throttle device and flow controller
In a refrigerating cycle incorporating a second flow controller having a throttle section, which is composed of an inlet noise eliminating space 19 , an inlet side porous permeable member 20 ...
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7114348 |
Fluid diode expansion device for heat pumps
An expansion device for the heat pump applications consists of a flow resistance device that has a different resistance to refrigerant flow depending on the flow direction through this device. The...
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7043937 |
Fluid diode expansion device for heat pumps
An expansion device for the heat pump applications consists of a flow resistance device that has a different resistance to refrigerant flow depending on the flow direction through this device. The...
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6978630 |
Dual-circuit refrigeration system
A refrigeration system and method of refrigeration employ dual refrigeration circuits. Each circuit has an independent compressor, condenser and evaporator. In one refrigeration circuit, the flow...
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6941768 |
Ejector cycle having compressor
When an air conditioning heat load is equal to or greater than a predetermined value, the degree of throttle opening of a nozzle arrangement of an ejector is controlled in such a manner that a...
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6931887 |
Ejector decompression device
An ejector decompression device for a refrigerant cycle includes a nozzle which decompresses refrigerant flowing out of a refrigerant radiator, and a pressure increasing portion which increases a...
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6915648 |
Vapor compression systems, expansion devices, flow-regulating members, and vehicles, and methods for using vapor compression systems
Flow-regulating members are described that include a primary channel and a plurality of secondary channels. The primary channel defines a primary channel orifice in the flow-regulating member and...
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6883345 |
Multi-type air conditioner and method for operating the same
Multi-type air conditioner including an outdoor unit installed outside of a room having a compressor and an outdoor unit mounted therein, a plurality of indoor units each installed in a room having...
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6763673 |
Remote distributor with integrated check valve
At least one bypass assembly for use in a heating-refrigeration system having a distributor body with a first and second orifice, an inner chamber and a plurality of fluid passages integrated...
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6698455 |
Fluid multieconomizer device
There is disclosed a fluid flow rate economizing device having a tubular body and a reduction in the inner diameter, suitable to install inside residential, commercial or industrial hydraulic...
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6684662 |
Refrigeration system, and condenser for use in decompressing-tube system
This refrigeration system is an orifice-tube system constituting a refrigeration cycle in which a refrigerant passes through a compressor 1, a condenser 10, an orifice-tube 3, an evaporator ...
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6612122 |
Expansion valve
An expansion valve has a tube body, in which a first filtering net, drying agents, a bullet-shaped filtering net, and a, reducing body are integrated. The tube body has front and rear ends...
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6598422 |
Energy conserving refrigerant flow processor
A refrigerant flow processor has a vessel with an inlet for receiving recirculating refrigerant from a motor driven compressor and a condenser and having an outlet for returning the refrigerant to...
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6588223 |
Optimized CO2 operated air-conditioning system
An optimized CO 2 air-conditioning system for a vehicle has individual components designed and/or matched to one another in such a way that if the high pressures in the high-pressure section...
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6571575 |
Air conditioner using inflammable refrigerant
In an air conditioner using a flammable refrigerant of the present invention, an inner diameter of a liquid-side connecting pipe is reduced to less than 42.5% of that of a gas-side connecting pipe....
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6560987 |
Dual restrictor shut-off valve for pressurized fluids of air cooling/heating apparatus
A shut-off valve for pressurized fluids in an air cooling/heating apparatus that includes at least one condenser and at least one fluid evaporator communicating with each other by a pipe. The valve...
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6502413 |
Combined expansion valve and fixed restriction system for refrigeration cycle
A refrigerant cycle has a main expansion valve communicating with an inlet header which in turn communicates with a plurality of flow passages moving towards an evaporator coil. Each of the...
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6494058 |
Plate type condenser
A plate type condenser used in a cooling system is provided. The plate type condenser includes a casing for defining an upper space into which a gaseous refrigerant flows and is cooled, a lower...
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6442966 |
Fixed orifice expansion device
Disclosed is a fixed orifice expansion device for use in connection with couplings, such as refrigerant couplings. The novel device includes a body having first and second ends, and an orifice...
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6430958 |
Suction accumulator for air conditioning systems
A deflector for use in an accumulator that provides a reservoir for the liquid-phase of a heat transfer medium circulating in a closed-loop air conditioning system is configured to prevent liquid...
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6430950 |
Expansion element and a valve unit usable therefor
An expansion element for a CO 2 motor vehicle air conditioner includes a valve unit which can be used particularly for such an expansion element and which has a fixed throttle between an upstream...
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6425262 |
Motor vehicle air conditioning circuit provided with pre-expansion device
The invention is directed to an air conditioning unit having a refrigerating fluid loop comprising a compressor, a condenser, a liquid/gas separating reservoir, an expansion device, an evaporator...
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6367283 |
Three-stage electronically variable orifice tube
A refrigerant flow-control valve is operable between a mid-flow condition, a low-flow condition, and a high-flow condition in response to an electronic control signal supplied thereto and a...
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6351950 |
Refrigeration system with variable sub-cooling
A vapor compression refrigeration system using a capillary as an expansion device has a liquid refrigerant subcooler between a condenser and the capillary which is controlled to vary the...
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6272869 |
Multiple orifice expansion device
An expansion device in a refrigeration chiller defines at least two fixed orifices and employs at least two positionable valve members in order to minimize the overall flow area through the...
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6233950 |
Device and process for injecting a refrigerant into a product mixer
A device for injecting a refrigerant into a product mixer comprising a pipe for injecting the refrigerant comprising (1) an injection nozzle designed to be connected to the mixer and (2) at least...
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6199399 |
Bi-directional refrigerant expansion and metering valve
A bi-directional refrigerant metering and expansion valve. The bi-directional valve comprises a body; a short tube portion in the body, a heating inlet portion and a cooling inlet portion. The...
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6182457 |
Electronic variable orifice tube and system for use therewith
An electronic variable orifice tube suitable for use as an expansion valve in a refrigeration system providing two flow rates in response to electronic control signals comprises a bodytube, a...
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6170289 |
Noise suppressing refrigeration jumper tube
A jumper tube for connecting a flow restricting capillary tube and an evaporator in a refrigerator system includes a transition portion in between a cavity portion and a cylindrical portion. The...
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6089039 |
Air conditioner and condenser used therefor
A second condenser includes a condensation promoting portion that promotes a condensation action on a refrigerant by reduction of the sectional area of a refrigerant path. The condensation...
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6023940 |
Flow distributor for air conditioning unit
A split air conditioner unit having a distributor located indoors for delivering refrigerant to a plurality of evaporator flow circuits. The distributor is connected to an outdoor condenser by a...
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6006544 |
Refrigeration cycle
A refrigeration cycle that controls the deposit of foreign matter at inlet or outlet of a capillary tube, which forms an expansion device in the refrigeration, regardless of changeover from a...
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5966960 |
Bi-directional refrigerant expansion valve
An automotive air conditioning system orifice tube type refrigerant expansion valve is axially symmetrical, so as to be error proof at installation, and/or so as to operate in a bi directional...
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5910166 |
Refrigeration system and a capillary tube thereof
A varying cross-sectional area capillary tube for a refrigeration system. The capillary tube comprises at least a first portion and a second portion. The first portion has a cross-sectional area...
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5893273 |
Shut-off valve with incorporated expansion nozzle, for pressurized fluids of air cooling/heating apparatus
A shut-off valve for pressurized fluids in particular for air cooling/heating apparatus includes at least one condenser and at least one fluid evaporator communicating with each other by a pipe at...
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5890375 |
Arrangement at a tube evaporator
An evaporator (10), e.g. in a domestic refrigerator, for refrigerating air in a space for goods, which space is confined against ambient atmosphere (14) by a wall (16), is constituted by a tubular...
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5875651 |
Low vibration throttling device for throttle-cycle refrigerators
A throttle device provides a large number of small flow channels generally in parallel rather than a single flow path. The throttling device, a porous cartridge within a tube, may be porous metal,...
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5862676 |
Refrigerant expansion device
A refrigerant expansion device for a refrigeration cycle comprises a housing, a passage formed penetrating the housing, an expansion means for expanding the refrigerant passing through the passage...
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5813244 |
Bidirectional flow control device
A device for controlling or metering fluid flow in either direction through a conduit. The device comprises an elongated body having two end walls forming an internal chamber therebetween. One end...
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