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| Number | Title | Issue Date |
| 8128388 | Scroll-type expansion machine A scroll-type expansion machine includes an expansion mechanism including an orbiting scroll and a first fixed scroll for expanding a refrigerant and recovering a power, a sub-expansion mechanism including an orbiting scroll and a second fixed scroll for compressing... | 03/06/2012 |
| 7766633 | Scroll compressor having a slider with a flat surface slidable and fitted in a notch part of a main shaft A scroll compressor includes a compression section having an orbiting scroll with volutes that are substantially symmetrically formed on both surfaces of an orbiting base plate. A main shaft penetrates through and is fixed to a center portion of the base plate. A pa... | 08/03/2010 |
| 7658599 | Rotary compressor with a filling member in the vane slot A rotary compressor including a cylinder to form a compression chamber, and including a vane slot including a vane guide part recessed outward from an inner surface of the compression chamber and an extended part having a width wider than the width of the vane guide... | 02/09/2010 |
| 7585162 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same An object is to avoid generation of a collision sound of a second vane of a compression system comprising a multicylinder rotary compressor being configured to be used by switching of a first operation mode in which both rotary compression elements perform a compres... | 09/08/2009 |
| 7585163 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same An object is to avoid generation of a collision sound of a second vane of a compression system comprising a multicylinder rotary compressor being configured to be used by switching of a first operation mode in which both rotary compression elements perform a compres... | 09/08/2009 |
| 7572116 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same An object is to avoid generation of a collision sound of a second vane of a compression system comprising a multicylinder rotary compressor being configured to be used by switching of a first operation mode in which both rotary compression elements perform a compres... | 08/11/2009 |
| 7563085 | Multicylinder rotary compressor and compressing system and refrigerating unit provided with same A compressor includes two rotary compressing elements in a vessel. One of the compressing elements operates while the other element is in a non-operating mode. In the non-operating mode, inflow of refrigerant gas into the cylinder of the rotary compressing element i... | 07/21/2009 |
| 7524174 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same An object is to avoid generation of a collision sound of a second vane of a compression system comprising a multicylinder rotary compressor being configured to be used by switching of a first operation mode in which both rotary compression elements perform a compres... | 04/28/2009 |
| 7462021 | Rotary compressor, and car air conditioner and heat pump type water heater using the compressor An object is to provide a rotary compressor capable of reducing an oil discharge amount to the outside, and there is provided a vertical rotary compressor constituted by housing an electromotive element and a rotary compression mechanism section driven by the electr... | 12/09/2008 |
| 7438540 | Two-stage rotary compressor In a two-stage rotary compressor of the present invention, an oil supply hole connecting an oil reservoir on a bottom portion in a closed vessel to a suction port formed in a lower supporting member is provided in the lower supporting member attached to the lower si... | 10/21/2008 |
| 7438541 | Hermetic rotary compressor A hermetic rotary compressor operates two cylinders simultaneously in the regular operation; however it halts operating one of the cylinders when it selects an operation with a half capacity. A vane room of the halted cylinder is air-tightly sealed with respect to l... | 10/21/2008 |
| 7419369 | Displacement type expansion machine and fluid machine Disclosed is a displacement type expansion machine. In the displacement type expansion machine, a communicating passage (72) for allowing fluid communication between an expansion-process intermediate position and an outflow position in an expansion chamber ( | 09/02/2008 |
| 7416395 | Sleeve for coupling a refrigerant pipe to a compressor container A sleeve connecting a refrigerant pipe to a sealed compressor container has a reduced outer dimension and an inner step that accommodates the refrigerant pipe. An end of the refrigerant pipe abuts the inner step to accurately locate the refrigerant pipe to permit th... | 08/26/2008 |
| 7399170 | Hermetic rotary compressor and refrigerating cycle device using the same In a two-cylinder type hermetic rotary compressor, a first cylinder continually operates due to a spring member biasing a first vane. A pressure introducing pipe is connected to a second vane room arranged in a second cylinder. The second cylinder stops and starts o... | 07/15/2008 |
| 7387503 | Scroll fluid machine having a fixed scroll with a heat-releasing projection In a scroll fluid machine, a fixed scroll has a fixed wrap, and an orbiting scroll has an orbiting wrap which engages with the fixed wrap to form a compressing chamber between the orbiting and fixed wraps. The orbiting scroll is rotatably mounted around an eccentric... | 06/17/2008 |
| 7381039 | Rotary compressor having a stepped cover of a discharge muffler chamber A rotary compressor including upper and lower cylinders constituting first and second rotary compression elements; a lower support member which closes an opening of the lower cylinder and which has a bearing as a bearing portion of a rotation shaft; a discharge muff... | 06/03/2008 |
| 7367790 | Double-acting type orbiting vane compressor The double-acting type orbiting vane compressor comprises an orbiting vane having upper and lower circular vanes formed at the upper and lower surfaces of a vane plate of the orbiting vane, respectively, the orbiting vane being attached to a crankshaft rotatable by ... | 05/06/2008 |
| 7361005 | Rotary compressor having discharge muffling A high inner pressure type multistage compression rotary compressor having a support member blocking an opening of a cylinder constituting the rotary compression element and having a bearing of a rotary shaft. The surface of the support member on a side opposite to ... | 04/22/2008 |
| 7354250 | Variable capacity rotary compressor A variable capacity rotary compressor having a slot defined between eccentric bushes, a latch pin fitted to a rotary shaft so as to be latched to the slot, and a restraint unit for restraining the eccentric bushes upon rotation of the rotary shaft. The restraint uni... | 04/08/2008 |
| 7341439 | Scroll fluid machine having an adiabatic expansion chamber A scroll fluid machine comprises a driving shaft having an eccentric axial portion at one end; a fixed scroll having a fixed wrap; and an orbiting scroll having an orbiting wrap and rotatably mounted to the eccentric axial portion of the driving shaft. A gas introdu... | 03/11/2008 |
| 7314358 | Scroll fluid machine having an adjustment member for correcting an error in orbiting motion between fixed and orbiting scrolls A scroll fluid machine comprises a fixed scroll, an orbiting scroll and a self-rotation-preventing device for preventing the orbiting scroll from rotating on its own axis. The self-rotation-preventing device comprises a bearing in a support hole of the orbiting scro... | 01/01/2008 |
| 7306439 | Orbiting scroll in a scroll fluid machine A scroll fluid machine includes an orbiting scroll which has an orbiting end plate. The orbiting end plate has a plurality of extensions on the outer circumference. Each of the extensions has a boss in which a self-rotation-preventing eccentric shaft is pivotally su... | 12/11/2007 |
| 7293970 | Two-stage rotary compressor An oil supply hole connecting an oil reservoir to a suction port formed in a lower supporting member of a two-stage rotary compressor is disclosed. The suction port is provided in the lower supporting member attached to the lower side of a high stage side rotary com... | 11/13/2007 |
| 7293968 | Capacity-changing unit of orbiting vane compressor Disclosed herein is a capacity-changing unit disposed in an orbiting vane compressor, which compresses refrigerant gas introduced into a cylinder through an orbiting movement of an orbiting vane in the cylinder, for easily changing capacity of the orbiting vane comp... | 11/13/2007 |
| 7290994 | Rotary hermetic compressor and refrigeration cycle system A vane of a first cylinder is compressed and urged by a spring member. A vane of a second cylinder is compressed and urged corresponding to a differential pressure between an intra-casing pressure guided into a vane chamber and a suction pressure or discharge pressu... | 11/06/2007 |
| 7281914 | Variable capacity rotary compressor A variable capacity rotary compressor has a simplified structure to reduce manufacturing costs and assembling time thereof and is capable of easily and conveniently performing a capacity-changing operation. The variable capacity rotary compressor includes first and ... | 10/16/2007 |
| 7281910 | Motor driven compressor A motor driven compressor having a motor for driving a compression mechanism includes a connecting portion for connecting between an external terminal for supplying electricity to the motor and a wire end portion of a stator of the motor. The connecting portion is l... | 10/16/2007 |
| 7276120 | Materials and methods for manufacturing cigarettes Cigarettes are manufactured using modified automated cigarette making apparatus. Those cigarettes possess smokable rods having paper wrapping materials having additive materials applied thereto as patterns. The additive material can be applied as a coating formulati... | 10/02/2007 |
| 7252487 | Multi-stage rotary compressor having rollers which are different in thickness In a high inner pressure type multistage compression system rotary compressor whose object is to improve sealability of a first rotary compression element and which includes a second rotary compression element having a displacement volume being smaller than that of ... | 08/07/2007 |
| 7241121 | Scroll fluid machine A scroll fluid machine has a fixed scroll in a housing and an orbiting scroll rotatably mounted to a driving shaft. A fixed wrap of the fixed scroll is engaged with an orbiting wrap of the orbiting scroll. The orbiting scroll is revolved at a certain eccentricity by... | 07/10/2007 |
| 7234374 | Eccentric shaft for an internal combustion engine An eccentric shaft for an internal combustion engine, especially for a rotary combustion engine, the working unit of which comprises essentially a peripheral housing, side housing plates, and a triangular piston mounted on an eccentric of an eccentric shaft, the tip... | 06/26/2007 |
| 7229257 | Horizontal type compressor A horizontal type compressor comprising: a differential pressure plate for dividing an inside of a casing into a high pressure chamber and a lower pressure chamber and thus maintaining an oil level of the high pressure chamber to be higher than that of the lower pre... | 06/12/2007 |
| 7226275 | Variable capacity rotary compressor A variable capacity rotary compressor including upper and lower compression chambers having different capacities, and a rotating shaft. Upper and lower eccentric cams are provided on the rotating shaft to be eccentric from the rotating shaft in a same direction. Upp... | 06/05/2007 |
| 7223081 | Variable capacity rotary compressor A variable capacity rotary compressor to prevent eccentric bushes from rotating faster than a rotating shaft, and includes upper and lower compression chambers having different interior capacities thereof, and the rotating shaft with upper and lower eccentric cams b... | 05/29/2007 |
| 7223082 | Rotary compressor A so-called internal intermediate pressure multistage compression type rotary compressor makes it possible to prevent the pressure inside a roller from inconveniently increasing and also to permit smooth and reliable supply of oil into a cylinder of a second rotary ... | 05/29/2007 |
| 7223083 | Scroll compressor A scroll compressor is disclosed. In the scroll compressor, a first compression chamber is formed between an orbiting scroll and a fixed scroll, and a second compression chamber is additionally formed between the orbiting scroll and the main frame. Accordingly, when... | 05/29/2007 |
| 7220108 | Variable capacity rotary compressor A variable capacity rotary compressor including upper and lower compression chambers having different capacities, and a rotating shaft. Upper and lower eccentric cams are provided on the rotating shaft to be eccentric from the rotating shaft in a same direction. Upp... | 05/22/2007 |
| 7220110 | Compressor having a throttled-return passage connecting an oil accumulator to a seal container A refrigerant cycling device is provided, wherein a compressor comprises an electric motor element, a first and a second rotary compression elements in a sealed container. The first and the second rotary compression elements are driven by the electric motor element.... | 05/22/2007 |
| 7201568 | Scroll fluid machine A scroll fluid machine has a low-pressure stage compression part for compressing a fluid sucked in from the outside between mutually overlapping wrap portions of two scroll members performing a relative orbiting motion and a high-pressure stage compression part for ... | 04/10/2007 |
| 7201567 | Plural compressors A compressor system includes a pair of compressors located in a common shell. A common drive shaft drives both compressors and the drive shaft is powered by a single motor. One or both of the compressors can be equipped with a pulse width modulated capacity control ... | 04/10/2007 |
