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| Number | Title | Issue Date |
| 7354257 | Refrigerating cycle or compressor having foreign matter collector The present invention is intended to remove foreign matter such as worn powder in a refrigerating cycle and enhance the reliability in a refrigerating cycle using, in particular, HFC refrigerant. In the invention, accordingly, a coil shaped connection piping is prov... | 04/08/2008 |
| 7161476 | Electronic tire management system An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ... | 01/09/2007 |
| 7117976 | Lubricating system affixed to a rotary shaft A lubricating system is affixed to and rotates with a rotary drive shaft, and provides automatic lubrication of the rotating bearings of a universal joint or similar articulated juncture in the shaft while the shaft is rotating. The present system includes a series ... | 10/10/2006 |
| 7118361 | Rotary pistons A rotary piston for use in pumps or motors, the piston having a radially movable vanes seated within the pumps rotor. The vanes are biased outwardly and forced inwardly by a cam action of the interior wall of the housing of the piston. Operation of the piston may be... | 10/10/2006 |
| 7097522 | Water pickup configuration for a marine propulsion system A cooling system for a marine propulsion device provides a water flow directing device, which is generally annular in shape, which has a water inlet extending from it. The water flow directing device is attachable to a gear case of a marine propulsion device and is ... | 08/29/2006 |
| 7052259 | Vacuum exhausting apparatus In a screw type vacuum pump which includes a housing provided with a rotor chamber, a pair of screw rotors in mesh with each other rotably provided in the rotor chamber, a transfer chamber of gas formed between an inner wall of the housing and flutes of the aforesai... | 05/30/2006 |
| 7044717 | Lubrication of a hermetic carbon dioxide compressor A hermetic compressor which uses carbon dioxide as the working fluid. The compressor includes a motor and a compression mechanism operatively coupled by a drive shaft supported by a bearing. The drive shaft includes a radially extending bore in fluid communication w... | 05/16/2006 |
| 6920853 | Variable valve timing control device A variable valve timing control device includes a rotation member for opening or closing a valve, a rotation transmission member engaged with the rotation member to be relatively rotatable, a vane provided on either one of the rotation member or the rotation transmi... | 07/26/2005 |
| 6684847 | Radial vane rotary device A family of sliding vane rotary power devices provides an internal combustion engine, a pump, a compressor, a fluid-driven motor, an expander device, a fluid-driven pump, a compressor or a throttling device. All of these devices have a rotor assembly with... | 02/03/2004 |
| 6666667 | Refrigerating cycle or compressor having foreign matter collector The present invention is intended to remove foreign matter such as worn powder in a refrigerating cycle and enhance the reliability in a refrigerating cycle using, in particular, HFC refrigerant. In the invention, accordingly, a coil shaped connection pip... | 12/23/2003 |
| 6655938 | Screw-type dry vacuum pump having an enlarged casing portion A screw-type dry vacuum pump comprises a rotor having a screw thread thereon for exhausting a gas through rotation, a casing for housing the rotor therein, a reduced portion provided in the casing, and an enlarged portion provided on a discharge end of th... | 12/02/2003 |
| 6450790 | Refrigerating cycle or compressor having foreign matter collector The present invention is intended to remove foreign matter such as worn powder in a refrigerating cycle and enhance the reliability in a refrigerating cycle using, in particular, HFC refrigerant. In the invention, accordingly, a coil shaped connection pip... | 09/17/2002 |
| 6250898 | Refrigerating cycle or compressor having foreign matter collector The present invention is intended to remove foreign matter such as worn powder in a refrigerating cycle and enhance the reliability in a refrigerating cycle using, in particular, HFC refrigerant. In the invention, accordingly, a coil shaped connection pip... | 06/26/2001 |
| 5865607 | Refrigerating cycle or compressor having foreign matter collector The present invention is intended to remove foreign matter such as worn powder in a refrigerating cycle and enhance the reliability in a refrigerating cycle using, in particular, HFC refrigerant. In the invention, accordingly, a coil shaped connection pip... | 02/02/1999 |
| 5580227 | Rotary piston pump having synchrously driven dividing slides and dosing device The present invention relates to a rotary piston pump for conveying and/or metering liquid or pourable media. It consists of a pump casing (2) with a cylinder chamber (4) having a cylindrical inner periphery (6) into which open at least one inlet (8) and ... | 12/03/1996 |
| 5445504 | Sealed compressor with dust reservoir A sealed compressor for use in an air conditioner or a refrigerator. The sealed compressor has an electrically driving portion which includes a rotor having a dust reservoir for collecting and storing dust or the like, which reservoir is formed in the cen... | 08/29/1995 |
| 5318415 | Grooved pump chamber walls for flushing fiber deposits A rotary lobe pump has a pair of rotary lobes rotatably mounted in a pump chamber having end walls perpendicular to axes of the lobes and a side wall with which the rotors making sealing contact. At least one of the end walls is provided with a shallow gr... | 06/07/1994 |
| 5217357 | Rotary vane pump with removable particulate collection chamber A rotary vane pump has a hollow rotor and a stationary liquid distributor member within the hollow rotor center, within which member plural supply and discharge fluid paths are provided. An elliptical housing allows for any one pumping chamber defined bet... | 06/08/1993 |
| 5173041 | Multistage vacuum pump with interstage solid material collector and cooling coils A multistage vacuum pump including a plural set of two lobe type vacuum pumps arranged on a common shaft for rotors and in a common casing. The adjacent pumps are connected in series with each other through a communicating passage formed in a pump casing.... | 12/22/1992 |
| 4943215 | Multistage vacuum pump with bore for fouling removal A multistage vacuum pump with a case with at least two pump chambers in the case, and with at least one passage connecting the pump chambers together. To detect fouling in the especially sensitive connecting passages in a simple manner, it is proposed to ... | 07/24/1990 |
| 4772187 | Rotary pump A single rotary pump is provided with a driven valve having outer curved faces and inner curved recesses along the major axis thereof, a rotary piston having vanes between which there are semi-ellipses having raised portions therebetween, said valve being... | 09/20/1988 |
| 4747761 | Silencer-carrying rotary vane pump A silencer-carrying rotary vane pump wherein a hollow portion is provided between inner and outer circumferential walls of a cylindrical center case of the vane pump. The hollow portion is closed with side covers to form a sealed chamber through which a p... | 05/31/1988 |
| 4627861 | Oil separator An oil separator for separating oil from exhausted gas containing refrigerant gas and fine particles of oil incorporated in the refrigerant gas including grooved plates each formed with a multiplicity of grooves on opposite surfaces to allow the exhausted... | 12/09/1986 |
| 4492542 | Global worm machine with seizure-preventing cells A screw is adapted to cooperate with a casing and at least one pinion-wheel for compressing or expanding a fluid within the space located between two screw threads, the casing and a tooth of the pinion-wheel. The casing and crests of the threads carry two... | 01/08/1985 |
| 4470777 | Volumetric machine with screw and pinion-wheels A screw is adapted to cooperate with a casing and at least one pinion-wheel for compressing or expanding a fluid within the space located between two screw threads, the casing and a tooth of the pinion-wheel. The casing and the crests of the threads carry... | 09/11/1984 |
| 4295802 | Vapor control system Combined vapor pump and a liquid driven motor for driving same. A combined motor and pump, as aforesaid, is provided as a compact unit which is of sufficiently simple design, and possessed of sufficiently few parts, as to be economical in manufacture whil... | 10/20/1981 |
| 4177786 | Lubricant feeding means Feeding means supplies lubricant to a lubricant metering pump on a machine or engine which contains at least one shaft of which a bearing surface is mounted in a journal bearing and is pressure-lubricated.... | 12/11/1979 |
| 4084926 | Rotary gear pump A rotary gear pump comprising two excentrically arranged gear wheels of different sizes, of which the greater gear wheel is rotatably mounted in the generally cylindrical housing of the pump and the smaller gear wheel is mounted upon a shaft which is arra... | 04/18/1978 |
| 4017222 | Pump for use in a paint application apparatus A pump for use in a paint application apparatus which is so constructed that there is provided a clearance between an appropriate portion of an internal surface of a casing of the pump and an external periphery of protruded portions of a rotor of the pump... | 04/12/1977 |
