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| Number | Title | Issue Date |
| 7455150 | Rotating shaft scavenging scoop A bearing scavenge system comprises a scavenging passage extending axially through a rotating shaft supported by the bearing assembly. Oil and air are drawn from an oil cavity of the bearing assembly and evacuated through the rotating shaft as the shaft rotates.... | 11/25/2008 |
| 7387445 | Bearing housing A bearing housing 1 is designed to accommodate a bearing 4 within its outer walls 3. The bearing 4 upon rotation generates a centrifugally dispersed oil spray from its peripheral edge 7 and this spray is collected upon a facing sur... | 06/17/2008 |
| 7384197 | Bearing assembly comprising double injection of liquid lubricant, and aeronautical vehicle comprising at least one such assembly A bearing assembly includes a first liquid lubricant injector designed to be fed exclusively with non-recycled liquid lubricant to lubricate a bearing. A plurality of drain orifices passes through a bearing ring fixed to a fixed part, and the assembly also includes ... | 06/10/2008 |
| 7353733 | Transmission apparatus for automobile or the like A transmission apparatus for an automobile or the like includes: a transmission gear mechanism including, therein, a speed-reducing small gear at an axial one side of an intermediate shaft; a final driving mechanism including, therein, a speed-reducing large gear at... | 04/08/2008 |
| 7331423 | Transmission of working vehicle An oil supply system for a transmission includes a transmission casing; a transmission shaft disposed in the transmission casing; a plurality of gears relatively rotatably fitted on the transmission shaft; an oil passage axially formed in the transmission shaft; a t... | 02/19/2008 |
| 7299792 | Centrifugal compressor with improved lubrication system for gear-type transmission A centrifugal supercharger includes a case presenting a compressor chamber and a transmission chamber. An impeller in the compressor chamber is mounted to a shaft that extends into the transmission chamber. The impeller shaft is drivingly connected to a power input ... | 11/27/2007 |
| 7276006 | Transmission case for lube return and method The invention provides a transmission case that includes a rear housing that partially encloses transmission components about a center axis. The rear housing sealingly connects to a main housing at one end and to a drive unit extension at another end. The rear housi... | 10/02/2007 |
| 7235027 | Automatic tensioner for timing chain The tensioner includes a cylinder inside a large capacity reservoir tank without interference with other components. The tensioner maintains oil inside the cylinder at all times, thereby improving the response of the tensioner when the engine is re-started after a l... | 06/26/2007 |
| 7195103 | Oil supplying device An oil supplying device (34, 36, 38) for a vehicle transmission (2) having one transmission housing (4, 6) with gears (10, 12, 16, 18, 22) situated upon shafts (8, 14, 20) and having teeth, bearings in which gears (10, 12, 16, 1... | 03/27/2007 |
| 7168504 | Rotary hammer including breather port A rotary hammer and a power tool. The rotary hammer is operable in an idle mode and a hammer mode and comprises a housing and a barrel positioned in the housing and having a forward portion. A ram is positioned within the barrel and is movable relative to the barrel... | 01/30/2007 |
| 7143735 | Oil-guiding crankcase well structure for promoting bearing lubrication, and engine including same A first aspect of an oil distributing structure for an internal combustion engine includes a bearing support wall including a plurality of guide ribs which are radially mounted on a surface thereof. The guide ribs may be integrally formed, and extend around an upper... | 12/05/2006 |
| 7124857 | Rotating shaft scavenging scoop A bearing scavenge system comprises a scavenging passage extending axially through a rotating shaft supported by the bearing assembly. Oil and air are drawn from an oil cavity of the bearing assembly and evacuated through the rotating shaft as the shaft rotates.... | 10/24/2006 |
| 7118324 | COcompressor A CO2 compressor for an air conditioner of a motor vehicle is suggested having a sealing device, assigned to the driveshaft of the CO2 compressor, which is implemented as a sliding ring. The CO2 compressor features a lubrication devi... | 10/10/2006 |
| RE39217 | Centrifugal pump having oil misting system with pivoting blades A lubrication system for equipment (e.g. centrifugal pump) employing a rotating shaft and corresponding support bearings is disclosed. The lubrication system includes a lubricant dispenser having a plurality of blades or dispensing members pivotally attached theret... | 08/01/2006 |
| 7080620 | Crankcase scavenged internal combustion engine An internal combustion engine including structure for lubricating at least one bearing disposed therein. The engine includes an engine housing including a cylinder with a reciprocating piston of the engine and a crankcase volume with a crankshaft having the at least... | 07/25/2006 |
| 7065954 | Turbine, particularly useful for small aircraft A turbine includes a combustion chamber with deflectors generating vortices in a secondary gas flow into the combustion chamber, thereby confining the flame front from penetrating into the cold region of the chamber under variable operating conditions, simplifying c... | 06/27/2006 |
| 7028571 | Lubrication system and method of lubricating an internal-combustion engine An apparatus and method for lubricating an internal-combustion engine includes a shaft extending through a gearbox, a gear and a sliding sleeve coupled to rotate with the shaft and adapted to move axially along the shaft, a gearshift fork in mating engagement with t... | 04/18/2006 |
| 6997284 | Lubricant cooling system for a motor vehicle axle In a driven axle assembly (12) for a motor vehicle that includes a differential housing located substantially in the center of the axle and tubes (16, 17) extending laterally from the differential, surrounding axle shafts (20) and opening into a... | 02/14/2006 |
| 6991574 | Dual level oil impeller for drive axle assembly A drive axle assembly includes an input operably coupled to a power source. The input drives first and second axle shafts, which in turn drive laterally spaced wheel ends. Each wheel end includes a gear set that is driven by one of the axle shafts. The axle shafts a... | 01/31/2006 |
| 6941914 | Internal combustion engine A twin cylinder engine, includes a pair of cylinder members mounted to mounting surfaces of a crankcase, and cylinder heads mounted to the cylinder members. The cylinder members are modular components, which may be pre-assembled with components of the valve train as... | 09/13/2005 |
| 6935293 | Oil circuit for twin cam internal combustion engine An engine having an oil circuit and method of communicating oil within an engine are disclosed. The engine includes a crankcase, a pump, and a camshaft having a first channel extending between first and second ends of the camshaft, where lubricant is provided from t... | 08/30/2005 |
| 6913438 | Pump lubrication system including an external reservoir A circulating lubrication system for a centrifugal pump, or other rotating equipment utilizing an oil sump, is disclosed. The lubrication system includes an external reservoir located distant from the main lubrication chamber, so that lubricating fluid from the main... | 07/05/2005 |
| 6904883 | Modular internal combustion engines A line of small internal combustion engines, including twin cylinder engines and single cylinder engines. The engines each include a crankcase, and one or more cylinder members attached to the crankcase, the cylinder members being separate components from the crankc... | 06/14/2005 |
| 6666300 | Device for lubricating a step-up/down mechanical assembly A device for lubricating a step-up/down mechanical assembly with a lubricating fluid has a collection reservoir, a circuit for distributing lubricating fluid, and a device for creating relative movement. The collection reservoir collects the lubricating f... | 12/23/2003 |
| 6644440 | Lubricating structure for output shaft bearing portion in transmission An output shaft bearing portion which is provided in an extension housing to be attached to an outside of an end wall portion of a casing main body of a transmission casing is lubricated by lubrication oil which is supplied to lubricating portions inside ... | 11/11/2003 |
| 6644439 | Transmission for an internal combustion engine In a transmission for an internal combustion engine including an oil sump and an oil pump operatively in communication with the oil sump, an oil reservoir is provided for receiving oil from the oil sump when the transmission is in direct drive and power i... | 11/11/2003 |
| 6580189 | Vibratory motor having a self-contained continuous bearing lubrication system A vibratory motor for a vibratory screening machine including a housing having a main shaft mounting outer shafts at its ends with a slip connection therebetween, bearings mounted on the outer shafts, first lubricant chambers on opposite sides of each of ... | 06/17/2003 |
| 6551055 | Centrifugal pump having oil misting system with pivoting blades A lubrication system for equipment (e.g. centrifugal pump) employing a rotating shaft and corresponding support bearings is disclosed. The lubrication system includes a lubricant dispenser having a plurality of blades or dispensing members pivotally attac... | 04/22/2003 |
| 6516789 | Centrifugal supercharger having lubricating slinger A centrifugal supercharger includes a case presenting a compressor chamber and a transmission chamber. An impeller in the compressor chamber is mounted to a shaft that extends into the transmission chamber. The impeller shaft is drivingly connected to a p... | 02/11/2003 |
| 6502665 | Drive axle for motor vehicle A motor vehicle drive axle including a center housing, a pair of axle tubes, and a pair of axle bars in respective ones of the axle tubes. A gear assembly in the center housing includes a pinion shaft, a pinion gear on the pinion shaft, and a differential... | 01/07/2003 |
| 6446755 | Device for lubricating a step-up/down mechanical assembly The present invention relates to a device for lubricating a step-up/down mechanical assembly (2), particularly a transmission gearbox, which comprises a reservoir (5A) of lubricating fluid (H) and a distribution circuit (8) capable of supplying lubricatin... | 09/10/2002 |
| 6244386 | Lubrication apparatus in power transmission unit A lubrication apparatus in a vehicular power transmission unit includes device pinion shaft which is rotatably supported by a bearing disposed at a rear end portion of a casing. The casing contains lubricating fluid. A pickup member is disposed on the dri... | 06/12/2001 |
| 6223859 | Lubricant feeding system for shaft and hub profile assemblies with axial longitudinal displacement capacity A lubricant feeding system for shaft and hub profile assemblies that can move longitudinally along an axis. A first exterior assembly member (e.g., shaft or hub) encloses at least partly a second interior member (e.g., hub or shaft) along the circumferenc... | 05/01/2001 |
| 6223858 | Transmission lubricating device High and low speed gears of a vehicle transmission are selectively lubricated by transmission oil flung by a final ring gear. A first oil gutter directs the transmission oil to low speed gears when the transmission oil is flung at low speed. At higher spe... | 05/01/2001 |
| 6132329 | Axle assembly lubricant temperature reduction apparatus An apparatus is provided for reducing the temperature of an axle assembly by moving the lubricating fluid from the hotter to the cooler portions of the axle assembly. The axle assembly has an axle housing with a central portion and opposing legs extending... | 10/17/2000 |
| 6112641 | Lubrication system for high-pressure liquid pumps with cylinders of vertical axis High pressure pump, particularly for water, containing a sealed chamber containing, partially in an oil bath, an inclined disc keyed onto the shank of a socket bush arranged to receive a drive shaft, the bush being received in a hole in the base of the ch... | 09/05/2000 |
| 6109393 | Gear type of manual transmission for automotive vehicle An output reduction gear type of manual transmission having a reduction gear chamber formed by partitions disposed on opposite sides of a reduction gear unit, an oil inflow structure comprising an oil inflow passage formed at a lower end of the reduction ... | 08/29/2000 |
| 5989143 | Arrangement for lubricating a differential assembly of a work machine A differential assembly which includes a differential housing is disclosed. The differential housing defines an internal component chamber, a fluid housing inlet, and a fluid housing outlet. The differential assembly also includes a spider structure posit... | 11/23/1999 |
| 5954159 | Oil supply structure for a chain adjuster Approximately U-letter-shaped oil groove 42 is formed by casting on the surface 35a of the pedestal 35, the depth of the groove is deeper than the surface of the cylinder block 2, one leg of the U-letter shaped groove 42 is formed as a reservation chamber... | 09/21/1999 |
| 5950763 | Oil supplying device for an engine An engine oil supplying device wherein a lower case which supports a crank shaft is attached to a cylinder block of an engine. An oil pan is attached to the lower case and a chain case which covers a timing case is attached to one side surface of a crank ... | 09/14/1999 |
