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| Number | Title | Issue Date |
| 8443624 | Non-Azeotropic refrigerant mixture and refrigeration cycle apparatus Disclosed is a non-azeotropic refrigerant mixture containing tetrafluoropropane as a high-boiling refrigerant and a refrigeration cycle apparatus in which a non-azeotropic refrigerant mixture containing tetrafluoropropane as a high-boiling refrigerant circulates thr... | 05/21/2013 |
| 8245530 | Inlet guide vane, compressor and refrigerator An inlet guide vane is turnably installed about an axis line at a suction port into which a fluid is drawn by rotation of an impeller in order to adjust a suction amount and flow direction of the fluid, the inlet guide vane, and includes: a shaft that is turnably su... | 08/21/2012 |
| 8205469 | Two-stage screw compressor and refrigerating device There is provided a two-stage screw compressor including a first-stage compressor that compresses a fluid, a second-stage compressor that further compresses the fluid compressed by the first-stage compressor, a motor that drives the first-stage compressor and the se... | 06/26/2012 |
| 8181480 | Refrigeration device A refrigeration device includes a compression mechanism, a radiator, a first expansion mechanism, a second expansion mechanism, an evaporator, a first internal heat exchanger, a branch pipe a third expansion mechanism, and a second internal heat exchanger. The first... | 05/22/2012 |
| 8181479 | Inlet guide vane, turbo compressor, and refrigerator An inlet guide vane is installed at a suction port into which a fluid is sucked by the rotation of an impeller so as to be rotatable about an axis, and is comprised of a rod-like shaft supported by an inner peripheral surface of the suction port so as to be rotatabl... | 05/22/2012 |
| 8091380 | Motor-operated selector valve and refrigeration cycle device for refrigerators A motor-operated selector valve relating to refrigerating technology is provided. In the present invention, a slider is controlled by a stepper motor so as to be rotatablely displaced among four positions on a flat bottom surface of a valve seat. Three outlets on th... | 01/10/2012 |
| 8091381 | Efficient heat exchanger for refrigeration process Aspects of the invention are found in a heat exchanger. The heat exchanger includes a fluid inlet manifold, a fluid outlet manifold, a plurality of heat transfer channels configured to communicate with the fluid inlet manifold and the fluid outlet manifold, and pack... | 01/10/2012 |
| 8074471 | Refrigeration cycle apparatus and fluid machine used for the same A refrigeration cycle apparatus 1 includes a refrigerant circuit in which a refrigerant circulates. The refrigerant circuit is formed by connecting in sequence a compressor 2 for compressing the refrigerant, a radiator 3 for allowing the refrige... | 12/13/2011 |
| 8056361 | Multi-stage rotary-type fluid machine and refrigeration cycle apparatus A multi-stage rotary-type fluid machine may be configured as what is called a two-stage rotary expander, in which a refrigerant expands in an expansion chamber having a first discharge side space (115b) of a first cylinder (105), a second suctio... | 11/15/2011 |
| 7921670 | Refrigeration apparatus A refrigeration apparatus is configured to perform a refrigeration cycle operation in which a high-pressure side attains a pressure that exceeds the critical pressure of a refrigerant used in the refrigeration cycle operation. The refrigeration apparatus includes a ... | 04/12/2011 |
| 7878023 | Refrigeration circuit Refrigeration circuit (1, 1′) for circulating a refrigerant in a predetermined flow direction through at least one functionally disconnectable component, the refrigeration circuit having in flow direction an expansion device (b, b′, 26, 26′, 33),... | 02/01/2011 |
| 7856846 | Multi-functional air conditioner A multi-functional air conditioner has a casing, a compressor, a cooler, an evaporator, at least two fans and at least one gate controller. The casing is stored with the compressor, the cooler and the evaporator that connected by multiple pipes, has two inlets, an o... | 12/28/2010 |
| 7836724 | Screw compressor and freezer A screw compressor has a screw rotor and a cylinder having an economizer port. The economizer port communicates with a compression chamber formed between the screw rotor and the cylinder. The economizer port is configured and arranged to jet a refrigerant into the c... | 11/23/2010 |
| 7832229 | Integrated unit for refrigerant cycle device In an integrated unit for a refrigerant cycle device, at least one evaporator is integrated with an ejector having a nozzle portion for decompressing refrigerant and a refrigerant suction port from which refrigerant is drawn. In the integrated unit, an insertion hol... | 11/16/2010 |
| 7793516 | Rotary compressor with fluidic passages in rotor The problems of prior compressor structures relying upon conventional check valves are obviated by using, instead, flow control passages which operate to control flow while avoiding mechanical moving elements which may become problematical. ... | 09/14/2010 |
| 7770411 | System and method for using hot gas reheat for humidity control A humidity control method is provided for a multi-stage cooling system having two or more refrigerant circuits that balances humidity control and cooling demand. Each refrigerant circuit includes a compressor, a condenser and an evaporator. A hot gas reheat circuit ... | 08/10/2010 |
| 7694527 | Control stability system for moist air dehumidification units and method of operation A system and humidity control method is provided for a multi-stage cooling system having two or more refrigerant circuits that balances humidity control and cooling demand. Each refrigerant circuit includes a compressor, a vessel and an evaporator. A hot gas reheat ... | 04/13/2010 |
| 7690217 | Refrigeration system, compressing and heat-releasing apparatus and heat-releasing device A refrigeration system including a two-stage type compressor having independent low-pressure and high-pressure compressing portions, a heat-releasing device having independent primary and secondary heat-releasing paths, an expansion valve and a cooler. The refrigera... | 04/06/2010 |
| 7533539 | Refrigerating machine A refrigerating machine equipped with a compressor has an intermediate-pressure portion in which refrigerant having intermediate pressure higher than the pressure of the refrigerant at the suction side of the compressor and lower than the pressure of the refrigerant... | 05/19/2009 |
| 7467525 | Supercritical refrigeration cycle system A supercritical refrigeration cycle system (10) having a simplified flow path configuration comprises a compressor (1) for sucking in and compressing a refrigerant, a radiator (2) for radiating the heat of the high-pressure refrigerant discharge... | 12/23/2008 |
| 7451615 | Refrigeration device A refrigeration device is provided that has a compressor, a heat source side heat exchanger, and a user side heat exchanger. The refrigeration device also has a condenser arranged between the compressor and the user side heat exchanger. The condenser is arranged to ... | 11/18/2008 |
| 7437887 | Recirculation cooling system A recirculation cooling system including a refrigeration circuit, a water circuit, a tank and a pump, the evaporator of the refrigeration circuit being allocated to the water circuit in order to exchange heat. All components are contained in a housing. This inventio... | 10/21/2008 |
| 7422423 | Refrigerant compressor, and refrigerating machine using the same A refrigerant compressor includes a compressor section, driver, a first contact section and a second contact section. The compressor section is accommodated in a closed container for compressing refrigerant gas. The driver drives the compressor section. The first an... | 09/09/2008 |
| 7418833 | Refrigeration Apparatus A refrigeration apparatus, provided with a refrigerant circuit (90) having a plurality of refrigerant circulating routes and capable of operation in a mode where the plurality of refrigerant circulating routes differ in refrigerant evaporation temperature and... | 09/02/2008 |
| 7415835 | Thermal control system and method A system and method for controlling the temperature of a process tool uses the vaporizable characteristic of a refrigerant that is provided in direct heat exchange relation with the process tool. Pressurized refrigerant is provided as both condensed liquid and in ga... | 08/26/2008 |
| 7406839 | Sub-cooling unit for cooling system and method A system for cooling a medium includes a line having coolant flowing therein, and a sub-cooling unit in fluid communication with the line. The sub-cooling unit receives a portion of the coolant diverted from the line to cool coolant flowing in the line. A method of ... | 08/05/2008 |
| 7404299 | Apparatus, method and software for use with an air conditioning cycle A turbine for generating power has a rotor chamber, a rotor rotatable about a central axis within the rotor chamber, and at least one nozzle for supplying a fluid from a fluid supply to the rotor to thereby drive the rotor and generate power. The flow of the fluid f... | 07/29/2008 |
| 7370493 | Vapor compression refrigerating systems A vapor compression refrigerating system having a compressor, a radiator, a first pressure reducing mechanism for reducing a pressure of refrigerant cooled by the radiator, a refrigerant branching means for dividing refrigerant (m) reduced in pressure by the first p... | 05/13/2008 |
| 7367200 | Ejector cycle device An ejector cycle device includes an ejector having a nozzle portion which decompresses refrigerant flowing out of a radiator, a first evaporator for evaporating refrigerant from the ejector, and a second evaporator provided in a branch passage that is branched from ... | 05/06/2008 |
| 7357002 | Method for installing refrigeration device, and refrigeration device An air conditioning device has a heat source unit and a utilization unit connected via a refrigerant connection pipe to form a refrigerant circuit, and has a cooler, a secondary receiver, and a separation membrane device. The cooler cools at least a portion of the r... | 04/15/2008 |
| 7353909 | Acoustic fluid machine A piston is reciprocated axially at high speed at very small amplitude by an actuator in the larger-diameter base of an acoustic resonator. According to pressure fluctuation in the acoustic resonator involved by reciprocal motion of the piston, fluid is sucked into ... | 04/08/2008 |
| 7350366 | Heat pump The present invention provides a heat pump including: a compressor; a radiator; a first throttling device having a variable opening; an expander; a second throttling device having a variable opening; an evaporator; piping that connects the compressor, the radiator, ... | 04/01/2008 |
| 7340919 | Method and apparatus for enhancing heat pump and refrigeration equipment A vapor compression apparatus and a method for operating a vapor compression system are provided. A working fluid is conveyed through a vapor compression system having a fluid line. A charging element is connected to the fluid line to direct an electric charge into ... | 03/11/2008 |
| 7340918 | Magnetostrictive drive of refrigeration systems A liquid-phase cooling device of a refrigeration system has an outer tubular housing enclosing a heat exchanger through which a mixture gases and liquid constituting a working fluid media is heated and cooled while undergoing compression and expansion within a cavit... | 03/11/2008 |
| 7337832 | Heat exchanger An improved heat exchanger for an automotive vehicle is disclosed. The heat exchanger typically includes at least one end tank; and a plurality of spaced apart extruded metal tubes with fins between the spaced tubes. The heat exchanger may be single or multi-fluid. ... | 03/04/2008 |
| 7334430 | Refrigerating cycle A plurality of evaporators 5, 11 for evaporating an refrigerant at low pressure, which has passed through pressure reducing means 4, 10, are provided, an accumulator 9 is provided on the outlet side of one evaporator 5, an internal heat e... | 02/26/2008 |
| 7334630 | Closed-loop microchannel cooling system Apparatus and methods according to the present invention utilize micropumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as well as the associated r... | 02/26/2008 |
| 7334428 | Cooling system for a rotary screw compressor A compressor system has a compression stage, a coolant circuit and a refrigerant circuit. The compression stage compresses ambient air and generates compressed air and heat. A coolant removes heat from the compression stage and the heat is transferred from the coola... | 02/26/2008 |
| 7331196 | Refrigerating apparatus and refrigerator In the case that heat absorbing means that function in selectively different temperature ranges, are provided in a refrigerating cycle, an object is to provide a refrigerating apparatus capable of suppressing the deterioration of efficiency in either temperature ran... | 02/19/2008 |
| 7328591 | Jet ejector system and method According to one embodiment of the invention, a jet ejector method includes providing a primary jet ejector having a primary inlet stream, coupling one or more secondary jet ejectors to the primary jet ejector such that all of the jet ejectors are in a cascaded arra... | 02/12/2008 |
