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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 8113986 | Flexible pin for helical gears A flexible pin for a helical gear system. A countering realignment equal and opposite to the misalignment caused by the overturning moment and other gear forces is created without adding components or wearing surfaces. On the pin elements, one or more different or v... | 02/14/2012 |
| 8075443 | Planetary gear set The present epicyclic gear includes a carrier (12), a generally central sun gear (11), an outer annular gear (13) and an intermediary helical planet gear (14) which is mounted on the carrier (12) by a flexible pin assembly (15 | 12/13/2011 |
| 8021267 | Coupling assembly A coupling assembly for transmitting torque between a first body and a second body is disclosed herein. The coupling assembly includes a diaphragm plate extending radially between a radially inner periphery fixed for rotation with the first body. The diaphragm plate... | 09/20/2011 |
| 7824305 | Integral sun gear coupling A coupling system for connecting a sun gear to a shaft within a planetary gear train, includes a sun gear coupling connecting the sun gear to the shaft. The sun gear coupling has at least one undulant flexible section joined to an inflexible spindle for accommodatin... | 11/02/2010 |
| 7771308 | Wind turbine drive assembly A wind turbine (WT) is disclosed, wherein the rotor hub (1) transmit the driving torque to a planet carrier (5) of a planetary type gear transmission and a main bearing (9) attached to the supporting structure (3), such as the nacelle (N)... | 08/10/2010 |
| 7591754 | Epicyclic gear train integral sun gear coupling design A coupling system for connecting a sun gear to a shaft within a planetary gear train, includes a sun gear coupling connecting the sun gear to the shaft. The sun gear coupling has at least one undulant flexible section joined to an inflexible spindle for accommodatin... | 09/22/2009 |
| 7585248 | Hinge mounting for an adjustment device of a motor vehicle seat A hinge mounting for an adjustment device of a motor vehicle seat having a first external gear wheel comprising a first inner toothed surface and a second external gear wheel comprising a second inner toothed surface. At least two planet wheels mesh with both the fi... | 09/08/2009 |
| 7568993 | Planetary gear train A planetary gear train having planetary gears (8) which are rotatably mounted on a planet carrier (18) and are in toothed contact with an internally toothed ring gear (14) and a sun gear (4). For a simplified, process-safe and inexpensive... | 08/04/2009 |
| 7360464 | Variable rate impact and oscillation absorber in starter motors A starter motor is provided having a starter motor housing with an electric motor mounted therein. A stationary gear base mounted onto the starter motor housing and includes a plurality of pockets formed therein and spaced thereabout. A stationary gear is rotatably ... | 04/22/2008 |
| 7338405 | Transmission with main shaft centering device A transmission includes an input shaft having an internal bore at one shaft end and a main shaft having an extension formed at one shaft end that is received within the internal bore. The internal bore is defined by an inner peripheral surface and the extension is d... | 03/04/2008 |
| 7329200 | Drive unit of an adjuster of a vehicle seat In a drive unit (10) of an adjuster (80) of a vehicle seat, in particular of a motor vehicle seat, having at least one particularly electronically commutated motor (12) and at least one gear stage (14) provided on the output side of the m... | 02/12/2008 |
| 7303497 | Dual-input differential planetary gear transmission A dual planetary gear transmission having two planetary gear sets rotatably mounted on a common grounded axle wherein sun gears span both planetary gear sets providing a system for gear movement to be transferred between both gear sets whereby additional input allow... | 12/04/2007 |
| 7297087 | Micro gear system operating according to the strain wave gear principle with hollow shafts A micro gear system, operating according to the principle of a strain wave gear system, a Wolfrom gear system, or a similar planetary gear system comprises at least one sun wheel (14) and at least two planet wheels (16) meshing with the sun wheel (1... | 11/20/2007 |
| 7264567 | Wedge loading mechanism for traction drives A wedge loading mechanism for an eccentric planetary traction drive in which a roller having a flexibly mounted shaft is positioned between two raceways forming a convergent wedge. Rotation of either of the two raceways wedges the roller within the convergent wedge ... | 09/04/2007 |
| 7261667 | System and method for reducing backlash in a planetary gear set Systems and methods for reducing or eliminating backlash to control gear rattle include a planetary gear set with a planet carrier including a first part that supports at least one forward-torque carrying planet gear that has at least one tooth contacting a drive si... | 08/28/2007 |
| 7214160 | Planet carrier assembly The invention relates to a guide washer assembly (1) of a planet carrier for a planetary transmission having two guide washers (2, 3) which are interconnected via adequate connecting elements and held parallel at a distance from each other, the connect... | 05/08/2007 |
| 7204782 | Axle assembly An axle assembly including a housing, a tire supporting hub mounted for rotation with respect to the housing, a drive axle and a planetary unit for coupling the drive axle to the tire supporting hub. The planetary unit includes a sun gear, at least one planet gear a... | 04/17/2007 |
| 7197383 | System for limiting reactive torque in powertrains A control system limits reactive torque in a powertrain that is generated when braking force is applied to traction wheels during a sudden stop or other sudden braking event. The reactive torque generated at the traction wheels is prevented from being transmitted up... | 03/27/2007 |
| 7150340 | Hub drive and method of using same A hub drive includes an in-hub motor and a shifting in-hub transmission coupled with the motor. A hub drive wheel assembly includes a wheel comprising a hub, an in-hub motor, and a shifting in-hub transmission having an input attached to the motor and an output atta... | 12/19/2006 |
| 7121973 | Methods and apparatus for minimizing backlash in a planetary gear mechanism A planetary gear system includes a planetary gear assembly having a first planetary gear, a second planetary gear rotatable relative to the first planetary gear, and a torquing mechanism. The torquing mechanism generates a torsional spring force of the planetary gea... | 10/17/2006 |
| 7059996 | Planetary gear drive A planetary gear drive includes a thin, elastically resilient internal gear arranged within an annular housing, in which there is also a carrier that is rotatably supported by a pair of tapered roller bearings. A sun gear located concentrically within a cylindrical ... | 06/13/2006 |
| 7056259 | Epicyclic gear system An epicyclic gear system (A) has a sun gear (2), a ring gear (4) located around the sun gear, and planet gears (6) located between and engaged with sun and ring gears. In addition, it has a carrier (8) including a carrier flange (30 | 06/06/2006 |
| 7010992 | Starter having rotation restricting structure A center case has a force-receiving wall and a fixed wall, and is rigidly fixed in a starter. A gear-forming section is coaxially arranged with the center case, and has a forcing wall and a movable wall on the side of the center case. A cushion member is elastically... | 03/14/2006 |
| 7000492 | Axial adjusting device with spring support during the return motion An axial adjusting device includes two discs which are rotatable relative to one another and coaxially supported relative to one another, between which two discs balls are guided in pairs of ball grooves. The depth of the pairs of ball grooves is variable across the... | 02/21/2006 |
| 6994651 | Epicyclic gear system An epicyclic gear system has a sun gear, a ring gear, and planet gears between the sun and ring gears. In addition, it has a carrier including a carrier flange offset axially from the planet gears and carrier pins that project from the flange into the planet gears, ... | 02/07/2006 |
| 6974401 | Active damper for a planetary gear arrangement A planetary gear arrangement having at least three rotatable members with intermeshing gears and a primary torque path defined therein. At least one active friction damper is disposed between two of the planetary gear members, for example, a sun gear and a ring gear... | 12/13/2005 |
| 6960147 | Planet gear and use thereof A planetary gear comprising a central, rotatable input/output shaft (1a), an elastic outer ring (4) which when being elastically deformed encloses and presses at least three planet wheels (6, 12) in the form of rollers radially against a ... | 11/01/2005 |
| 6931953 | Starter having small diameter front housing for installation from transmission side In a starter, a front side bearing is provided between a one-way clutch and a pinion combined at a front end portion of a pinion tube. A housing supporting the pinion tube through the bearing has a housing small diameter portion where the inner diameter of the housi... | 08/23/2005 |
| 6931959 | Train housing for pseudo-planetary kinematic transmission A composite train housing for pseudo-planetary kinematic transmission, which comprises three components namely two external ones fixed to a central one, axial posts being formed between the components. ... | 08/23/2005 |
| 6907951 | Snowmobile planetary drive system Disclosed is a snowmobile including reduction drive including a planetary gear system having a shaft with a sun gear, a plurality of planetary gears spaced around the sun gear and engaging a ring gear. A second shaft is driven by said planetary gears or ring gear. | 06/21/2005 |
| 6893375 | Planetary gear with little play The invention relates to a planetary gear with little play that comprises, for one stage of reduction each, at least one sun wheel, an elastically deformable internal geared wheel, planet wheels that are rotatably received by a planetary carrier and that act on the ... | 05/17/2005 |
| 6846258 | Gas turbine power generation facility There is provided a planetary reduction gear 10 between a gas turbine 1 and a generator 5. The planetary reduction gear includes elastic deformation unit 12 on an output side, and for the elastic deformation unit, a strain energy within a... | 01/25/2005 |
| 6540641 | Speed reducer A mechanical paradox planetary speed reducer has an input shaft, a plurality of plantet gears, a pair of fixed internal sun gears, and a movable internal sun gear. The fixed internal sun gears are spaced from each other in the axial direction of the input... | 04/01/2003 |
| 6516928 | Hydrodynamic coupling device A hydrodynamic coupling device comprises a casing arrangement and a turbine rotor which can be rotated about an axis of rotation (A) in the casing arrangement. The turbine rotor has a turbine rotor shell which supports a plurality of turbine rotor blades,... | 02/11/2003 |
| 6490940 | Motor vehicle starter with reduction gear comprising means forming torsional damper The motor vehicle starter (10) has a casing (18) in which there is arranged an electric motor (12) which rotates a coaxial starter head (22) with the interposing of an epicyclic gearbox (34) including a ring gear (44) made of rigid material (M1) which is ... | 12/10/2002 |
| 6435998 | Drive train with rigidity dependent on rotational speed A drive train of a motor vehicle includes a gear arrangement with at least two gear elements moveable relative to one another acts in a torque transmission path between an internal combustion engine and a transmission. The gear arrangement being connected... | 08/20/2002 |
| 6368221 | Torsional vibration damper with a gearset and a shift mechanism therefor A torsional vibration damper with a driving-side transmission element and a driven-side transmission element which is rotatable relative to the driving-side transmission element and which is connected with the driving-side transmission element by a dampin... | 04/09/2002 |
| 6344009 | Backlash-free gear The gear consists of a housing (12) to which a drive motor (10) is flanged. Its shaft (1) carries a sun wheel (2) on which multiple planets (3) roll off. The planets (3) are positioned on a planetary carrier (6) which is rigidly connected to the output sh... | 02/05/2002 |
| 6343527 | Coupling device with an accommodating fixture for a driving gear on a centrifugal mass A coupling device having a drive-side centrifugal mass, which is actively connected in rotation-proof fashion to a driving gear that acts on the drive train. On the centrifugal mass, there is an accommodating fixture that faces the driving gear and is equ... | 02/05/2002 |
| 6290625 | Small backlash planetary gear assembly A small backlash planetary gear assembly can achieve a large torque capacity while minimizing backlash. The small backlash planetary gear assembly has an assembly housing, an internal gear, a sun gear arranged inside of the internal gear in concentric fas... | 09/18/2001 |