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| Number | Title | Issue Date |
| 8171631 | Method for component positioning during assembly of scroll-type fluid machine A positioning system used in assembling a scroll-type fluid machine exerts a horizontal thrust on a stationary scroll in a direction opposite to a direction in which an eccentric shaft end portion formed at one end of a rotary shaft is oriented while turning the rot... | 05/08/2012 |
| 8166655 | System for component positioning during assembly of scroll-type fluid machine A positioning system used in assembling a scroll-type fluid machine exerts a horizontal thrust on a stationary scroll in a direction opposite to a direction in which an eccentric shaft end portion formed at one end of a rotary shaft is oriented while turning the rot... | 05/01/2012 |
| 8166654 | Method for component positioning during assembly of scroll-type fluid machine A positioning system used in assembling a scroll-type fluid machine exerts a horizontal thrust on a stationary scroll in a direction opposite to a direction in which an eccentric shaft end portion formed at one end of a rotary shaft is oriented while turning the rot... | 05/01/2012 |
| 8061028 | Fixed scroll positioning apparatus and fixed scroll positioning method In a positioning apparatus (40), a fixed scroll (34) is positioned with respect to an assembly body (11) in which a compressor motor (25) has been incorporated. In positioning the fixed scroll (34), electric power is supplied to th... | 11/22/2011 |
| 8006379 | Fixed scroll positioning apparatus and fixed scroll positioning method In a positioning apparatus, a fixed scroll engaged with a movable scroll is pressed against a housing member, and then, is stirred to an appropriate position by applying impact force to the fixed scroll in this state. Thus, the stirring of the fixed scroll terminate... | 08/30/2011 |
| 8006378 | Method and system for component positioning during assembly of scroll-type fluid machine A positioning system used in assembling a scroll-type fluid machine includes a radial thrust mechanism driving motor for turning a radial thrust mechanism in synchronism with rotational phase of a rotary shaft, a vertical pressing mechanism for producing a vertical ... | 08/30/2011 |
| 7726020 | Method of manufacturing a compressor A compressor capable of surely preventing leakage of a refrigerant gas from a connection portion between an airtight container and a pipe to the outside at low cost is provided. The compressor comprises an airtight container to which a refrigerant introduction pipe ... | 06/01/2010 |
| 7458152 | Method of manufacturing an orbiting scroll in a scroll fluid machine In a scroll fluid machine, an orbiting scroll is eccentrically revolved with respect to a fixed scroll by a driving shaft to compress a gas toward a center. To manufacture the orbiting scroll, a reference bore is formed at the center of orbiting scroll material, and... | 12/02/2008 |
| 7434312 | Method for manufacturing an implantable drug delivery device with peristaltic pump having a retractable roller An implantable drug infusion device includes a pump tube for holding a liquid to be pumped. A race is configured to support the pump tube. A roller assembly is configured to compress the tube against the race at one or more points along the path, and the roller asse... | 10/14/2008 |
| 7381028 | Composite air handling blower housing and method of assembly An air handling blower housing for an HVAC system is formed by two opposed housing parts which are each fabricated of a compression molded reinforced thermoset polymer composition. The housing parts are joined along a parting line, preferably perpendicular to the ax... | 06/03/2008 |
| 7314357 | Seal member for scroll compressors A scroll compressor having a housing with a motor-compressor unit disposed therein. The motor-compressor unit includes a crankcase, stator, rotor, and drive shaft assembly. The motor-compressor unit further includes a fixed scroll member and an orbiting scroll membe... | 01/01/2008 |
| 7237992 | Process of machining scroll member by using non-rotary cutting tool A process of machining a scroll member of a scroll compressor by using a non-rotary cutting tool. The non-rotary cutting tool is moved relative to a workpiece in a predetermined direction for cutting the workpiece, with its rake face being held substantially perpend... | 07/03/2007 |
| 7195468 | Scroll compressor having frame fixing structure and frame fixing method thereof Disclosed are a scroll compressor having a frame fixing structure and a frame fixing method of the scroll compressor. The scroll compressor comprises an upper frame installed at an inner upper portion of a hermetic container; a fixed scroll fixed to an upper portion... | 03/27/2007 |
| 7186095 | Compressor mounting bracket and method of making A mounting bracket for a compressor. The mounting bracket includes a mounting member and an elongate bracing member. The mounting member is secured to the housing of the compressor has a central support section in substantial registry with the housing. The mounting ... | 03/06/2007 |
| 7163383 | Compressor having alignment bushings and assembly method A compressor assembly including a compression mechanism having a main bearing and a plurality of first pilot holes, and an electric motor comprising a rotor disposed within a stator. The stator has a plurality of second and third pilot holes. Each of the first pilot... | 01/16/2007 |
| 7162797 | Method of correcting imbalance of a scroll compressor A compressor has a compression unit for compressing gas to a desired pressure, a drive shaft and a balancer. The drive shaft is connected to the compression unit for driving the compression unit. Imbalance on the drive shaft is generated due to movement of the compr... | 01/16/2007 |
| 7086151 | Powder metal scrolls Scrolls made from one or more near-net shaped powder metal processes either wholly or fabricated together from sections. Both “conventional” press and sinter methods and metal injection molding methods will be described. ... | 08/08/2006 |
| 7043817 | Method of aligning scroll compressor pump cartridge A method of aligning a crankcase to a non-orbiting scroll includes the steps of forming initial alignment surfaces on both the non-orbiting scroll and the crankcase. Further, when the non-orbiting scroll and the crankcase are machined, precision drilled holes are dr... | 05/16/2006 |
| 7044694 | Router bit with position stop A router bit with a position stop is disclosed. The router bit includes a body with a collar extending outwardly from it and a shaft extending outwardly from the collar. At least one cutter blade is mounted to the body and the cutter blade may be used to cut a profi... | 05/16/2006 |
| 7020948 | Method for assembling a stacked core The stacked core assembly apparatus, which can perform assembly at a high speed while keeping strength of an angle indexing apparatus, comprises a press machine 1, a non-synchronous transmitting apparatus 10 and an angle indexing apparatus 7. Th... | 04/04/2006 |
| 6916162 | Scroll compressor A scroll compressor which comprises a scroll assembly comprising two scroll walls, and a drive for causing a relative orbiting motion between the scroll walls for compressing fluid on two fluid flow paths between an inlet and an exhaust of the scroll assembly. A fir... | 07/12/2005 |
| 6887052 | Scroll wrap tip with abradable selectively applied coating and load-bearing surface A scroll compressor is provided with a generally spiral wrap having an abradable or conformable coating on radially inner portions of its tip. The coating is not applied to radially outer portions. During operation of the scroll compressor, the coating will eliminat... | 05/03/2005 |
| 6842968 | Device and process for mounting a rotor of a hermetic compressor A device and a process for mounting the rotor of a hermetic compressor, said device comprising a pulling rod (40), which is loosely and coaxially provided through the rotor (30) of the electric motor of the compressor, in order to have a first end coup... | 01/18/2005 |
| 6749412 | Check valve retainer for a scroll compressor A check valve retainer for a scroll compressor includes a retaining lip that fits into a recess formed in a scroll. The retaining lip may be manufactured as an integral part of the check valve retainer for press fitting or may be formed by an expansion fit locking m... | 06/15/2004 |
| 6708406 | Method of manufacturing shoe for compressor Compressor shoe is manufactured by cutting a wire into cut pieces each having a volume approximately equivalent to that of a desired shoe. The cut piece is sequentially forged with forging dies having three cavities. The cut piece is first forged to a cylindrical sh... | 03/23/2004 |
| 6687992 | Assembly method for hermetic scroll compressor A method of fabricating a scroll compressor of the type including an electric motor in driving engagement with an orbiting scroll member having an orbiting scroll vane in a shell extending along an axis between open ends. The method includes the steps of ... | 02/10/2004 |
| 6675475 | Method of producing shoe for swash plate type compressor A method of producing a shoe for a swash plate type compressor, the shoe being disposed between a swash plate and a piston of the swash plate type compressor and formed of an aluminum alloy, the method comprising: a main forging step of forging a blank fo... | 01/13/2004 |
| 6643927 | Pump equipment with plural rotary pumps and method for assembling same In a pump equipment having plural rotary pumps, the respective discharge ports of the rotary pumps are located at the points which are nearly symmetrical with respect to the center axis of the drive shaft to counterbalance each other the respective reacti... | 11/11/2003 |
| 6618931 | Apparatus for aligning scroll compressor There are provided a fixed-scroll moveable device which is capable of moving a fixed-scroll of a scroll compressor in the directions of an X axis and a Y axis, and an orbiting-scroll revolution compensation device which is capable of revolving an orbiting... | 09/16/2003 |
| 6616429 | Apparatus and method for alignment of the bearing of the crankshaft of a scroll compressor and a scroll compressor and device for carrying out this method This method comprises carrying out the mounting of the body of the compressor and of the compression elements in the casing of the compressor, with the body or fixed scroll bearing on one end of the shroud of the casing, and then welding a cap to the shro... | 09/09/2003 |
| 6560868 | Method of making lower end cap for scroll compressor A lower end cap for a scroll compressor includes a plurality of generally u-shaped surfaces, wherein the u-shaped surfaces have circumferentially spaced gaps. The gaps provide a location for mounting a weld seam from the center shell. The gaps are prefera... | 05/13/2003 |
| 6553645 | Hermetic motor compressor and method assembling the same A motor stator is fixed to a body shell by shrinkage fit with a large fitting margin, and a compression mechanism is then shrinkage fit with a small fitting margin, and welded thereafter. Afterwards, an auxiliary bearing assembly is fixed in position with... | 04/29/2003 |
| 6511308 | Scroll vacuum pump with improved performance A scroll compressor having improved efficiencies includes a fixed plate having a spiral involute and an orbiting plate having a spiral involute wrap. The fixed and orbiting plates are positioned in a housing such that the spiral involute wraps mesh with e... | 01/28/2003 |
| 6488489 | Method of aligning scroll compressor components An improved method of aligning the bearing components within a scroll compressor includes the step of mounting the crankcase to be an interference fit within the center shell, and having a surface abutting a true upper surface of the shell. This ensures t... | 12/03/2002 |
| 6438834 | Method of making a swash plate type compressor piston whose head portion is formed by pore-free die-casting A method of producing a piston for a swash plate type compressor including a head portion which is slidably fitted in a cylinder bore of the compressor, and an engaging section which engages a swash plate of the compressor, wherein a blank including a hol... | 08/27/2002 |
| 6412171 | Swash plate type compressor piston wherein inner bottom surface of hollow head section has 3-dimensional configuration nonaxisymmetric with respect to its centerline A method of producing a body member for a swash plate type compressor piston, the body member including a head section and an engaging section formed integrally with the head section, comprising the steps of preparing a die-casting device including a cast... | 07/02/2002 |
| 6382941 | Device and method to prevent misbuild and improper function of air conditioning scroll compressor due to misplaced or extra steel spherical balls In prior art scroll-type compressors, a cavity is formed in the interior of the compressor of a sufficient size to allow a misplaced or extra steel spherical ball to become lodged therein and cause seizure of the compressor. The present invention modifies... | 05/07/2002 |
| 6381842 | Method of producing swash plate type compressor piston A method of producing a hollow piston for a compressor including a head and an engaging portion for engaging a piston reciprocating drive device, at least the head portion being hollow, the method comprising the steps of: forming a cylindrical body member... | 05/07/2002 |
| 6280165 | Scroll type fluid machine A scroll type fluid machine which can practically exhibit an appropriate meshing condition between an orbiting scroll member and an unorbiting scroll member and which can enhance the energy efficiency. A positioning means for positioning the unorbiting sc... | 08/28/2001 |
| 6264443 | Scroll compressor with integral outer housing and fixed scroll member An improved housing for scroll compressor has the end cap housing formed integrally with the fixed scroll member. The end cap housing is preferably welded to a tubular housing enclosing the scroll compressor. Most preferably, the end housing has inner and... | 07/24/2001 |
