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| Number | Title | Issue Date |
| 8186237 | Change speed transmission A transmission, in particular a dual clutch transmission, has a plurality of transmission shafts and a fastening apparatus for at least one fixed gear on one of the transmission shafts. The fixed gear is held axially on the transmission shaft by way of a fastening n... | 05/29/2012 |
| 8161836 | Multi-step transmission A multi-step transmission having at least a reverse drive gear, several forward drive gears, a main shaft (1) and two counter shafts. The power flow in forward drive can be split up and be distributed to both counter shafts and further transferred to the main... | 04/24/2012 |
| 8161835 | Multi-group transmission and method for changing gear in a multi-group transmission An automated multi-group standard transmission, for a utility vehicle, and a process for changing gears in the multi-group transmission. The multi-group transmission includes at least two multi-speed transmission groups arranged one after the other, such that a mult... | 04/24/2012 |
| 8156835 | Transmission and vehicle having transversely mounted transmission and engine arranged in axial direction thereof A vehicle includes an engine, a pair of side frames extending along a vehicle body, and a transmission adapted to be axially connected with the engine and transversely mounted on the vehicle body, including, an input shaft, an output shaft, a first counter shaft, a ... | 04/17/2012 |
| 8156836 | Gearbox for a motor vehicle A gearbox for a motor vehicle is provided that includes, but is not limited to two coaxial input shafts carrying gearwheels, and three layshafts selectively drivable by the input shafts. Each gearwheel of the input shafts meshes with at least one gearwheel of the tw... | 04/17/2012 |
| 8127635 | Twin clutch transmission A twin clutch transmission for reducing the frequency of hit noise occurring in a dog clutch when shifting from neutral to a first speed. The twin clutch transmission includes a plurality of pairs of gears according to the number of speed stages between dual-structu... | 03/06/2012 |
| 8109167 | Gear box for a motor vehicle A gearbox is provided for a motor vehicle that includes, but is not limited to at least a first input shaft and at least a first output shaft. The first input and output shafts carrying at least a first drive gearwheel and a first driven gearwheel, respectively, for... | 02/07/2012 |
| 8104367 | Seven speed dual clutch transmission A transmission connectable to an input member and having an output transfer gear, first and second transmission input shaft members, first and second countershaft members, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque... | 01/31/2012 |
| 8051732 | Dual clutch group transmission shifttable under load In a load shiftable group transmission with a high number of gears, particularly suitable for utility vehicles, the transmission includes a dual clutch a split unit, a direct gear, a main group and a hollow shaft on a countershaft in an arrangement, wherein the vari... | 11/08/2011 |
| 8033194 | Transmission for vehicle with multi-gear set A transmission for a vehicle includes first to fourth counter shafts arranged in parallel with one input shaft, a reduction gear set including first to fourth reduction gears respectively provided at an output shaft and first to third counter shafts for connecting t... | 10/11/2011 |
| 8011262 | Multipurpose combined machine A multipurpose combined machine, such as compressor-pump or similar, includes motor elements (M) and a plurality of operating machines (H, C, V) that can be powered in an independent manner by the motor elements, wherein the operating machines are powered through a ... | 09/06/2011 |
| 7987741 | Auxiliary range transmission In an auxiliary range transmission comprising a main group having a main transmission shaft and two main countershafts capable of rotating in relation to two auxiliary countershafts of a range or an auxiliary transmission group, a gearshift element is provided, whic... | 08/02/2011 |
| 7987740 | Multi-speed transmission with countershaft gearing arrangement A transmission includes an input member, an output member, a first and second interconnecting member, a plurality of countershafts, a reverse member, a plurality of co-planar gear sets, and a plurality of torque transmitting devices. The torque transmitting devices ... | 08/02/2011 |
| 7987739 | Transmission The present invention is directed to a transmission capable of minimizing the number of speed-change driven gears on a first countershaft to ensure a layout space in an engine compartment of a vehicle, and reducing a driving torque to be applied to a second counters... | 08/02/2011 |
| 7966901 | Torque transfer device A torque transfer device, in particular in the power train of a motor vehicle, having at least one wet-running clutch device, in particular a multi-plate clutch device, which is actuatable by an actuating lever device, in particular an actuating lever spring device,... | 06/28/2011 |
| 7950302 | Step variable transmission for a motor vehicle A step variable transmission for a motor vehicle has a plurality of forward gear stages and at least one reverse gear stage. The transmission comprising: a drive input shaft arrangement, a drive output shaft arrangement, and a plurality of wheel sets which have loos... | 05/31/2011 |
| 7895910 | Gearbox with six or more forward gears for single-clutch or twin-clutch motor-vehicle transmissions The gearbox comprises a pair of coaxial input shafts, that is, an inner input shaft and an outer input shaft, a first, upper output shaft, a second, lower output shaft, and an intermediate shaft. A driven gearwheel for a fourth gear and a driven gearwheel for a reve... | 03/01/2011 |
| 7874224 | Transmission for tractor A transmission for a tractor has an input shaft receiving power from an engine, an idle shaft disposed parallel with the input shaft, an output shaft disposed parallel with the idle shaft and transmitting power to a main transmission part, forward/reverse driving ge... | 01/25/2011 |
| 7870804 | Multi-speed dual clutch transmission A transmission is provided having an input member, an output member, a dual clutch assembly, a plurality of countershafts, a plurality of co-planar gear sets, a plurality of interconnecting members, and a plurality of torque transmitting devices. The torque transmit... | 01/18/2011 |
| 7866227 | Vehicular power transmission system A transmission M of a vehicular power transmission system has a first shifting part and a second shifting part which shift a power of an internal combustion engine, a first shift clutch transmitting and interrupting the power to the first shifting part, and a second... | 01/11/2011 |
| 7798030 | Twin clutch transmission design with selective hybrid power transfer compatibility In to a modular transmission design for twin-clutch transmissions which are alternatively equipped with, or without, hybrid functionality in particular for use in connection with front-wheel drive motor vehicles, the transmission is designed to optionally accommodat... | 09/21/2010 |
| 7762154 | Synchromesh automatic transmission A synchromesh automatic transmission includes a lug lock portion which is engaged with a shift lug separately from a shift finger and enables a shift fork to be controlled so as to be located at a neutral position, a shift selector mechanism which achieves a target ... | 07/27/2010 |
| 7752934 | Multi speed transmission having a countershaft gearing arrangement A transmission is provided having a dual clutch, to achieve torque flow through a countershaft gearing arrangement. The countershaft gearing arrangement includes a plurality of co-planar gear sets having gears that are selectively connectable to a first and second c... | 07/13/2010 |
| 7743677 | Powertrain with torque converter and axially compact seven speed dual clutch transmission A powertrain having a torque converter, friction input shifting clutches and shared driving gears has an axially compact design, packages a transmission pump between the torque converter and a clutch hub and achieves seven forward speed ratios utilizing four back-to... | 06/29/2010 |
| 7730800 | Power unit A small center distance is provided between a crankshaft and a gearshift shaft disposed in parallel. A power unit is built compactly in a direction of arrangement of the crankshaft and the gearshift shaft for supporting reliably the gearshift shaft on which heavy, f... | 06/08/2010 |
| 7703346 | Multi-speed transmission with countershaft gearing A transmission is provided having a dual clutch and a countershaft gearing arrangement. The countershaft gearing arrangement includes a plurality of co-planar gears sets having gears that are selectively connectable to at least two countershafts. Moreover, one of th... | 04/27/2010 |
| 7690278 | Step variable transmission for a motor vehicle A step variable transmission for a motor vehicle has a plurality of forward gear stages and at least one reverse gear stage. The transmission comprising: a drive input shaft arrangement, a drive output shaft arrangement, and a plurality of wheel sets which have loos... | 04/06/2010 |
| 7669494 | Gear box with two pinion shafts A variable-speed gearbox comprises a main transmission (2) arranged in a housing (30) and a downstream range-change transmission (32), the range-change transmission having power distribution on two countershafts (12, 14). On a main shaft ... | 03/02/2010 |
| 7631570 | Transmission A transmission includes a first shifting part and a second shifting part which shift power of an internal combustion engine, a first shift clutch transmitting and interrupting the power to the first shifting part, and a second shift clutch transmitting and interrupt... | 12/15/2009 |
| 7624658 | Transmission configuration and method for controlling a transmission A transmission configuration includes an automated dual-clutch transmission having two transmission sections with respective input shafts, respective output shafts and respective motor clutches. The motor clutches are connected, on a motor side thereof, to a drive s... | 12/01/2009 |
| 7621195 | Vehicle transmission A vehicle transmission is provided with two coaxially mounted input shafts having input gears, a pair of clutches to selectively transmit a driving torque of a power source to the input shafts, a plurality of output shafts having output gears, and a plurality of gea... | 11/24/2009 |
| 7610826 | Parallel axes type transmission having a plurality of idle drive routes A parallel axes type transmission including a first idle drive route and a second idle drive route for transmitting the relation of an input shaft to an intermediate shaft. The first idle drive route includes a one-way clutch capable of transmitting the rotation of ... | 11/03/2009 |
| 7607366 | Hydraulic control apparatus for automatic transmission To alleviate shift shock of an automatic transmission provided with a twin clutch. An automatic transmission is provided with gear trains equal in number to the number of speed ratios between a primary shaft and a counter shaft. A first hydraulic clutch and second h... | 10/27/2009 |
| 7591203 | Control apparatus and control method for vehicle A vehicular control apparatus for a vehicle has a twin clutch type automatic transmission. The control apparatus comprises an external information acquisition apparatus for acquiring external information required for vehicular transmission control, an input section ... | 09/22/2009 |
| 7565847 | Device for preventing wobbling of the pick-up gears in a gearbox with two layshafts A device to prevent wobbling of cog wheels (3) arranged on a main shaft (6) in a transmission train with two countershafts (1, 2), which has at the minimum, a disk (7) for one of the cog wheels that is connected with the respective cog wh... | 07/28/2009 |
| 7562598 | Seven-gear gearbox for a motorcar double clutch transmission The gearbox comprises: a first inner input shaft (10) which carries driving gearwheels (21, 23, 27) associated to the odd gears (I, III, V, VII) and fast for rotation therewith; a second outer input shaft (12) which is coaxial with the first and... | 07/21/2009 |
| 7562597 | Engine for motorcycle An engine for a motorcycle includes an engine case, a crankshaft rotatably supported within the engine case and extending laterally, an intermediate shaft being substantially parallel to the crankshaft and being rotated by the crankshaft at the same speed via a prim... | 07/21/2009 |
| 7506558 | Reduction gear and reduction gear frictional load application member A reduction gear includes a gear case, a plurality of shafts in the gear case, a fixed member, an axially movable member, and a friction applying member. The friction applying member is interposed between the fixed member and the axially movable member, to apply a f... | 03/24/2009 |
| 7467562 | Vehicular transmission A vehicular transmission has a structure which enables a reverse idle gear to absorb and reduce excessive back torque inputted from drive wheels. At the time of reverse traveling motion, a counter shaft and a reverse gear are connected to each other through the inte... | 12/23/2008 |
| 7464616 | Hybrid twin-clutch transmission The invention relates to a twin-clutch transmission, in particular for a motor vehicle, comprising: a twin-clutch arrangement with clutches, input shafts, at least one output shaft, a number of gearwheel pairs and drive units. The first drive unit is connected to th... | 12/16/2008 |
