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| Number | Title | Issue Date |
| 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 capillary through which the pressurized fluid passes and which causes t... | 07/29/2008 |
| 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 return of refrigerant to an accumulator or compressor. The system compris... | 07/08/2008 |
| 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 bi-directionally-flowing pressurized fluid, with a housing passageway bein... | 04/29/2008 |
| 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 moveable parts, no need for adjustment or service and therefor suited for... | 03/11/2008 |
| 7328592 | Circuit for the generation of cold or heat A circuit for the generation of cold or heat comprising a compressor, an evaporator, a condenser and a restriction member made as a separate component and having a fixed throughflow cross-section, with the restriction member being inserted directly between two eleme... | 02/12/2008 |
| 7302811 | Fluid expansion-distribution assembly An expansion-distribution assembly (30) for the heat-absorbing component in a heatpump system. The assembly (30) comprises an envelope (32) forming an expansion chamber (54) and a distribution chamber (56). A shuttle (80) wi... | 12/04/2007 |
| 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 in a refrigerant flow direction, an orifice, an outlet side foamed m... | 11/06/2007 |
| 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 channel is a microchannel part having a filtering portion and a decompress... | 10/02/2007 |
| 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 restricting the flow rate of refrigerant introduced from a refrigerant inl... | 09/04/2007 |
| 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 the full width and the full length of the product storage of the cabi... | 07/03/2007 |
| 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 communicating in a refrigerant flow direction, an orifice 2... | 06/05/2007 |
| 7207179 | Method of connecting heat transfer pipe and capillary tube A connecting method and structure is provided to reliably ensure the compressive strength of the joint between a heat transfer pipe and a capillary tube when connecting the capillary tube to the heat transfer pipe by direct brazing. In the connection structure betwe... | 04/24/2007 |
| 7182126 | Fluid heater A heat distribution apparatus comprising a fluid conduit having a peripheral wall defining a flow passage and a pair of fluid capillaries extending along the wall and secured thereto. The capillaries being connected to one another in series to provide a fluid flow p... | 02/27/2007 |
| 7178362 | Expansion device arrangement for vapor compression system A carbon dioxide vapor compression system including a compressor, a first heat exchanger, an expansion device arrangement, and a second heat exchanger connected in a closed loop. The expansion device arrangement includes an inlet line disposed between the first heat... | 02/20/2007 |
| 7174726 | Adjustable nozzle distributor A distributor, for use in a refrigerant system for conveying refrigerant between an expansion device and an evaporator, having a longitudinal body, an actuator, a plug, a first nozzle, and a second nozzle. The longitudinal body having a first end, a second end, a lo... | 02/13/2007 |
| 7131294 | Method and apparatus for control of carbon dioxide gas cooler pressure by use of a capillary tube A transcritical vapor compression system that includes a fluid circuit circulating a refrigerant in a closed loop. The fluid circuit has operably disposed therein, in serial order, a compressor, a first heat exchanger, a first capillary tube and a second heat exchan... | 11/07/2006 |
| 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 flow resistance device has no moving parts so that it avoids the dama... | 10/03/2006 |
| 7089760 | Air-conditioner The air-conditioner includes a compressor configured to compress and discharge a refrigerant. The air-conditioner includes a condenser configured to cool the refrigerant with air outside of a vehicle compartment. The air-conditioner includes a throttle configured to... | 08/15/2006 |
| 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 flow resistance device has no moving parts so that it avoids the dama... | 05/16/2006 |
| 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 of the refrigerant from the condenser to the evaporator is regulated i... | 12/27/2005 |
| 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 coefficient of performance coincides with a target value. When the air co... | 09/13/2005 |
| 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 pressure of refrigerant while refrigerant jetted from the nozzle and r... | 08/23/2005 |
| 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 the plurality of secondary channels define a plurality of secondary ch... | 07/12/2005 |
| 6910341 | Temperature control apparatus and method of operating the same A temperature control unit and a method of operating a temperature control unit. The temperature control unit including a refrigeration circuit enclosing a refrigerant and having a compressor, a condenser, and an evaporator coil. The method including providing a fir... | 06/28/2005 |
| 6910343 | Vapor-compression refrigerant cycle with ejector In an ejector cycle having an ejector, a decompression amount of refrigerant between a gas-liquid separator and an evaporator is adjusted by a differential pressure control valve, so that a pressure increasing amount in a pressure increasing portion of the ejector i... | 06/28/2005 |
| 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 an electronic expansion valve and an indoor heat exchanger, a distri... | 04/26/2005 |
| 6880361 | Refrigerating device An energy-saving refrigerating device is capable of preventing global warming, allowing a communication pipe diameter to be reduced and the number of types of the communication pipe diameters to be reduced while a COP of over the COP obtained when R22 is used is pro... | 04/19/2005 |
| 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 within, and a conduit connected to the distributor body. The conduit has a... | 07/20/2004 |
| 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 tubing at fluid intakes, meters and/or registers.... | 03/02/2004 |
| 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 4, and an accumulator 5 in this order and then returns to the com... | 02/03/2004 |
| 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 respectively joined to an inlet tube, and an outlet tube. The firs... | 09/02/2003 |
| 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 an evaporator through an expansion valve. The vessel is co... | 07/29/2003 |
| 6588223 | Optimized CO2 operated air-conditioning system An optimized CO2 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 deviate by up to &#b1;30% from the optimum high pressu... | 07/08/2003 |
| 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. By reducing the inner diameter of the pipe in which a liq... | 06/03/2003 |
| 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 includes two ducts each containing a restrictor coaxially... | 05/13/2003 |
| 6550265 | Ejector cycle system In an ejector cycle system, high-pressure side refrigerant is decompressed by an ejector in cooling operation for cooling a compartment, and is decompressed by a fixed restrictor in heating operation for heating the compartment. Therefore, in the heating ... | 04/22/2003 |
| 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 plurality of passages is provided with an individual restriction ... | 01/07/2003 |
| 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 space for accommodating a liquid refrigerant into which the g... | 12/17/2002 |
| 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 therethrough. At least one end of the body includes a sealing ... | 09/03/2002 |
| 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 phase medium from the supply pipe from entering the inlet a... | 08/13/2002 |
