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| Number | Title | Issue Date |
| 7708663 | Continuously variable constant mesh epicyclic transmission A transmission includes a ring gear driven by a first primary gear train, a carrier driven by a second primary gear train and a sun gear driven by a third primary gear train. Clutches are utilized to lock and unlock the ring gear, carrier and sun gear. When locked e... | 05/04/2010 |
| 7410436 | Transmission system and method for driving a vehicle A vehicle (1) has an epicyclic gearing (3) with three rotational members (5, 7, 9). Rotational member (9) is connected to a load formed by the wheels (17) of a vehicle. Rotational member (5) is connected to a flywheel (11... | 08/12/2008 |
| 7360616 | Method for controlling and regulating a power train of a hybrid vehicle and power train of a hybrid vehicle A method for controlling and regulating a power train of a hybrid vehicle and a power train of a hybrid vehicle having one internal combustion engine, one electric machine, one shifting element and one output in a power flow of the power train and designed with cont... | 04/22/2008 |
| 7351265 | Hybrid drive assembly for a vehicle, in particular a scooter A hybrid drive assembly (1) for a vehicle having at least one drive wheel (2), the drive assembly including an internal combustion engine (3); a transmission unit (5) interposed between a drive shaft (4) of the internal combustion ... | 04/01/2008 |
| 7328637 | Apparatus for machining a cylinder bore surface and method of machining the cylinder bore surface using the apparatus An apparatus for machining a circumferential surface defining a cylindrical bore of a workpiece, the apparatus including a tool holder rotatable about a first rotation axis, and a form roller supported on the tool holder so as to be rotatable about a second rotation... | 02/12/2008 |
| 7316630 | Control method and apparatus for a continuously variable transmission A control apparatus for a continuously variable transmission ensures good acceleration performance during staffing operations, and following an engine stall occurring before a gear ratio of the continuously variable transmission is shifted back to a low speed. The c... | 01/08/2008 |
| 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 |
| 7246672 | Hybrid-vehicle power train A hybrid-vehicle power train connected to an engine comprises a motor, a CVT unit, a planetary gear unit having at least two input elements, namely, first and second input elements and an output element, a first clutch for engaging/disengaging the first input elemen... | 07/24/2007 |
| 7226378 | Driving device for automatically exerting a variable torque on an output shaft that rotates at a constant speed A driving device includes a power supply unit and a torque converter. The power supply unit outputs a constant power. The torque converter has a gear train that is connected to the power supply unit and interconnects a flywheel and an input shaft in order to respect... | 06/05/2007 |
| 7207915 | Hybrid transmission In a hybrid transmission, input and output side motor/generators (MG1, MG2) and input and output portions (In, Out) are coupled to two sets of the differential units (G1, G2) in such a manner that, under a selection of a first predetermin... | 04/24/2007 |
| 7201699 | Face gear planetary assembly A high power, high speed gearbox including a compound face gear planetary gear assembly (FGPGA) is provided. The FGPGA includes a first planetary gear set (PGS1) and a second planetary gear set (PGS2). The PGS1 includes a spur gear connected to ... | 04/10/2007 |
| 7063637 | Hybrid transmission A hybrid transmission for variably producing a transmission ratio is comprised of first and second motor/generators and a differential mechanism constructed by two double-pinion planetary gearsets. The two double-pinion planetary gearsets are coaxially arranged and ... | 06/20/2006 |
| 7013205 | System and method for minimizing energy consumption in hybrid vehicles The present invention provides a system and method relating to the operation of plug-in hybrid electric vehicles powered both by electricity from rechargeable batteries and by consumable fuel powered means, such as an internal combustion engine or a fuel cell. More ... | 03/14/2006 |
| 7004296 | Torque transmission system for a vehicle A torque transmission system for the transmission of torque between a prime mover and a gearbox in a vehicle includes an input shaft, which can rotate around a first axis of rotation; at least one output shaft, which can rotate around a second axis of rotation trans... | 02/28/2006 |
| 6967419 | Motor for hybrid vehicle A motor for a hybrid vehicle is provided in which miniaturization of the drive system and transmission system can be achieved while maintaining driving performance. A drive plate 23 which connects a crank shaft 2 of an engine 1 to a transmission... | 11/22/2005 |
| 6966860 | Automatic transmission for motor vehicles An automatic transmission for motor vehicles (1) comprising a drive shaft (2) that can be linked with an internal combustion engine and an output shaft (3) that can be linked with at least one motor vehicle axle. Furthermore, it suggests a manua... | 11/22/2005 |
| 6949854 | Method and apparatus for a continuously variable-ratio transmission A method and apparatus for providing a continuously variable transmission (CVT) is described. The CVT comprises permanent magnets to couple power, a coefficient of coupling controlled by an electronic servo control loop. Wherein torque multiplication is achieved by ... | 09/27/2005 |
| 6829991 | Inker driven shaftless unit A printing unit of an offset printing press includes a first plate cylinder, a first blanket cylinder for selectively contacting the first plate cylinder, a first inker for inking the first plate cylinder, a second plate cylinder, a second blanket cylinder for selec... | 12/14/2004 |
| 6808468 | Composite power transmission mechanism and vehicle A composite power transmission mechanism 10, comprising the combination of a planetary gear unit 15 and a differential planetary gear mechanism 16, wherein a planetary gear is connected with a drive shaft of a vehicle, while other three gears le... | 10/26/2004 |
| 6718955 | Electric supercharger The present invention relates to a multiple electric motor driven centrifugal air compressor, for example, for gasoline or diesel engine powered vehicles. ... | 04/13/2004 |
| 6344008 | Hybrid vehicle A hybrid vehicle comprises: a first driving force source; a transmission for transmitting the torque of the first driving force source therethrough to wheels; a second driving force source; and a torque transmitting route interposed between the driving fo... | 02/05/2002 |
| 6315689 | Power transmitting device with multiple overdriver A clutchless automatic transmission comprises a hyper-overdrive for connecting first and second drive transmitting members, and a planetary transmission for varying the speed and direction of the output shaft with respect to the second drive transmitting ... | 11/13/2001 |
| 6052978 | Ensilage harvester variable speed feed roll drive A drive transmission for the feed rolls of a forage harvester includes a planetary gear set arranged such that an input shaft drives the sun gear while a further input shaft is provided by a reversible, variable speed motor that is connected to the ring g... | 04/25/2000 |
| 6017289 | Planetary gear assembly with floating ring gear A propelling and/or steering mechanism uses a planetary gear set and ring gear arrangement, in which the ring gear "floats" upon the planetary gear set, free of a center hub and a bearing connection.... | 01/25/2000 |
| 5853346 | Planetary gear assembly with floating ring gear A propelling and/or steering mechanism uses a planetary gear set and ring gear arrangement, in which the ring gear "floats" upon the planetary gear set, free of a center hub and a bearing connection.... | 12/29/1998 |
| 5800302 | Planetary gear drive assembly A transmission for transferring power from an input to an output, comprising a drive planetary gear assembly coupled to an input, and a driven planetary gear assembly coupled to an output and to the drive planetary gear assembly, whereby power from the in... | 09/01/1998 |
| 5628234 | Fail-free actuator assembly An electro-mechanical actuator has two motors which normally operate at the same speed and combine (sum) to move a load via a rotary actuator output member. If the motors begin to operate at different speeds, this indicates that the system has failed, and... | 05/13/1997 |
| 5569108 | Hybrid driving system Driving system containing at a minimum a first planetary coupling, equipped with a central wheel spindle, a planetary spindle and an annular ring spindle, a first driving component coupled to the central wheel spindle, a second driving component coupled t... | 10/29/1996 |
| 5512021 | Variable ratio transmission A variable ratio transmission for an engine. The transmission comprises a planetary gear system having a planet ring with a plurality of planet gears rotatably connected thereto. The planetary gear system also comprises an outer drum gear and an inner sun... | 04/30/1996 |
| 5211610 | Reduction-distribution unit particularly suitable for industrial machines Reduction-distribution unit for gearshift units, particularly for industrial machines, including a first hydrostatic motor and a second hydrostatic motor which are operatively associated for the transmission of the motion to the axles. The unit also compr... | 05/18/1993 |
| 5135442 | Gear arrangement for transmitting torque through an angle A gear arrangement includes a horizontally inclined rotary shaft having a pinion and two face gears rotating in parallel but axially spaced planes. The two face gears are in meshing engagement with the pinion. Each face gear rotates about a shaft that inc... | 08/04/1992 |
| 5087230 | Drive transmissions In a ships drive transmission, contra rotating propeller shafts are driven by powered means comprising concentric contra rotating drive elements, one of the shafts being connected thereto via epicyclic gearing. The propeller shafts are also coupled to eac... | 02/11/1992 |
| 5045034 | Adjustable antibacklash gear system An antibacklash gear drive system including an internal ring gear (46) engaged with a pinion gear (76) powered by a motor drive assembly (48). The motor drive assembly together with the pinion gear is mounted on an eccentric plate (58) so that the rotatio... | 09/03/1991 |
| 4928552 | Method and apparatus for power transmission from an engine An apparatus for transmitting rotary power includes first and second discrete sources of rotary power and a pair of intercoupled first and secondary planetary gear assemblies, each having a primary driving member, secondary driving member and driven follo... | 05/29/1990 |
| 4869217 | Internal combustion engine having light metal housing parts The present invention provides for an internal combuston engine having housing parts such as a cylinder, cylinder head and crankcase formed of a light metal. A plurality of tightening screws are provided for securing the above-mentioned parts so as to for... | 09/26/1989 |
| 4869127 | Relative rotation transmitting apparatus Disclosed is a relative rotation transmitting apparatus comprising outer and inner coaxial shafts, main and sub drives, speed-reduction unit operatively connected both to the telescoped shafts and the main and sub drives with associated gear wheels, and a... | 09/26/1989 |
| 4858490 | Two motor redundant drive mechanism Motors (42,44) each have a pinion driving ring gear (62). Motor (42) is mounted on the platform and motor (44) is mounted on ring gear carrier (56). Rotation of either motor rotates carrier (56), hubs (40) and shaft (30).... | 08/22/1989 |
| 4842291 | Enclosed multiple speed drive for low maintenance chain driven bicycles An enclosed drive for a low maintenance bicycle features a chain case which replaces the conventional chain stay on the right side of the bicycle, and an improved nine speed planetary transmission housed within a gear case inside the rear wheel hub. The c... | 06/27/1989 |
| 4825721 | Method and apparatus for power transmission from an engine An apparatus for transmitting rotary power includes first and second discret sources of rotary power and a pair of intercoupled first and secondary planetary gear assemblies, each having a primary driving member, secondary driving member and driven follow... | 05/02/1989 |
| 4815334 | Drive arrangement for a vehicle The invention provides an improved form of drive arrangement for use in a motor vehicle comprising a first prime mover, a hydromechanical power branching transmission, driven by the prime mover, and having at least two hydromechanical transducers, by the ... | 03/28/1989 |
