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| Number | Title | Issue Date |
| 7418883 | Parking mechanism for transmission An automatic transmission includes a transmission case, a parking gear fixed to the transmission case, and a meshing mechanism, such as a synchromesh mechanism. The meshing mechanism includes a coupling sleeve to engage with the parking gear and hold a transmission ... | 09/02/2008 |
| 7357047 | Power unit vehicle use automatic transmission device A power unit with a multi-stage automatic transmission having two clutches for use in a vehicle as an automatic transmission. The transmission has a first group of driving gears fixed to a tubular auxiliary main shaft end a first group of follower gears rotatably mo... | 04/15/2008 |
| 7340973 | Twin-clutch transmission A pair of first speed gears (26a, 26b) is provided between a first input shaft (14) and a first output shaft (20), and a pair of fourth speed gears (30a, 30b) is provided between a second input sh... | 03/11/2008 |
| 7313979 | Transmission device for a motor vehicle The invention relates to a transmission device for a motor vehicle that has a plurality of gear sets that form gear ratio steps, final control mechanisms being provided and an actuation device being provided for the actuation of the final control mechanisms that has... | 01/01/2008 |
| 7313981 | Reverse gear arrangement in a countershaft transmission A reverse gear arrangement in a countershaft transmission (1, 40, 44) having at least one starting element (2, 41), at least one transmission input shaft (4, 5, 42), one countershaft (22), fixed or idler gear wheels fastened or rotatably ... | 01/01/2008 |
| 7287635 | Force -transmission unit comprising speed -dependent hydraulic clutch and centrifugal force compensation A power transmission unit with a hydraulic coupling dependent on a rotational-speed difference, in which, when a rotationalspeed difference occurs between the input member (1) and the output member (6), a hydrostatic displacement machine (20) pr... | 10/30/2007 |
| 7272986 | Dual input automatic transaxle A transaxle for a vehicle includes a first input shaft having a first speed drive gear, a third speed drive gear, and a reverse drive gear; and a second input shaft having a second speed drive gear. An output shaft has a first speed driven gear engaged with the firs... | 09/25/2007 |
| 7263907 | Dual clutch transmission with a torque converter A multi-speed transmission for transmitting power from a power source includes a torque converter as well as dual clutches which may be arranged as dual input clutches or dual output clutches. To combine the smoothness and ratio boosting effects of a torque converte... | 09/04/2007 |
| 7231843 | Double clutch transmission A dual clutch transmission with two clutches, two relative coaxial input shafts, two relative coaxial countershafts, two drive constants (gear trains, as well as one concentric transmission output shaft to the two drive shafts. Such a transmission structure is to be... | 06/19/2007 |
| 7231845 | Cone selector and associated transmission assembly A multi cone selector in a transmission employs sandwiched cone friction surfaces 19A, 20A and 21A and these are shown in free or unengaged state while the corresponding friction surfaces as numerals 19, 20 and 21 are shown as enga... | 06/19/2007 |
| 7225696 | Double clutch transmission In a double clutch transmission in which an input shaft can be coupled by two load clutches selectively with a central intermediate shaft and a concentric intermediate shaft and each of the intermediate shafts can be operatively connected by gear stages selectively ... | 06/05/2007 |
| 7222551 | Automatic transmission A mesh-type automatic transmission includes a power input shaft for introducing power of an engine, a plurality of transmission gears, a plurality of cogged clutches, a power output shaft for outputting driving force, a counter shaft, and a plurality of counter gear... | 05/29/2007 |
| 7191676 | Universal multifarious gearbox of mutually definite units and method therefore A gearbox for maximizing the number of torques produced with the least loss of energy by using a geometric sequence of terms of ratios for the gears and having the separation in the degree of the common ratio uniform for all the gearsets between the same two shafts.... | 03/20/2007 |
| 7174996 | Hydraulic fluid feeder Supplying fluids different in pressure from one end of a revolving shaft without providing a diagonal hole in the revolving shaft for supply holes for feeding hydraulic fluid and lubricating oil. The time for manufacturing and the cost of providing a hydraulic fluid... | 02/13/2007 |
| 7140267 | Multi-speed dual clutch transmission A multi-speed, dual clutch transmission includes an input shaft, an output shaft, and first and second countershafts. The first and second countershafts are axially displaced from the input shaft, the output shaft and from one another. Four intermeshing gear pairs, ... | 11/28/2006 |
| 7121162 | Parallel shaft transmission An input shaft 10 is connected rotationally with an intermediary shaft 20 through a connecting drive gear GCV, a connecting first idle gear GC1, a connecting second idle gear GC2 and a connecting driven gear GCN. A fourth speed drive gear... | 10/17/2006 |
| 7121161 | Parallel shaft transmission An input shaft 10 is connected rotationally with an intermediary shaft 20 through a main drive gear GMV, a connecting idle gear GCC and a connecting driven gear GCN and also connected rotationally with a countershaft 30 through the main drive ge... | 10/17/2006 |
| 7093511 | Transmission A power transmission for a motor vehicle. The transmission includes a plurality of transmission ratio steps defined by pairs of gear carried on parallel shafts, and final output mechanisms for engaging desired transmission ratio steps. The final output mechanisms ar... | 08/22/2006 |
| 7083540 | Dual clutch transmission having low gear mesh loss A power transmission for a motor vehicle In realizing these advantages, a power transmission according to this invention includes an input shaft, an output, and a layshaft disposed parallel to the input shaft. A pair of drive elements includes a first element secure... | 08/01/2006 |
| 7069799 | Vehicle gearbox A vehicle gearbox having an input shaft, an output shaft and a countershaft, which is arranged to parallel to the axis of shafts and can be drivingly connected by gear sets to shafts via separating clutches, wherein four gear sets and a reversing gear set having an ... | 07/04/2006 |
| 7044014 | Dual clutch automatic transaxle A multiple speed transaxle includes first and second input shafts, first and second output shafts, a layshaft, an idler shaft, a first set of selectable torque paths between the first input shaft and first output shaft, a second set of selectable torque paths betwee... | 05/16/2006 |
| 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 |
| 6997073 | Vehicle power unit In a vehicle power unit, a main shaft and a counter shaft of a transmission are placed in and taken out through an opening formed on the crankcase. The main shaft and the counter shaft are rotatably held by a single transmission cover fastened to the crankcase and a... | 02/14/2006 |
| 6962093 | Noise reduction structure for power take-off unit gear assembly A noise reduction structure is provided for use with a meshing gear assembly, such as in a power take-off unit for selectively providing power to one or more rotatably driven accessories. The meshing gear assembly includes meshing input and output gears that are sup... | 11/08/2005 |
| 6910398 | 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... | 06/28/2005 |
| 6871131 | Transmission systems A method of changing gear in an automated transmission system of a motor vehicle having a multi-ratio gearbox with an input shaft and an output shaft, a take-up clutch located between the input shaft and an output shaft of an engine, a number of pairs of intermeshin... | 03/22/2005 |
| 6776062 | Power transmission system A power transmission system capable of preventing a feeling of inertia travel caused by torque transmission interruption, without increasing the axial length of a transmission, thereby improving the speed position-shifting performance of the transmission, includes a... | 08/17/2004 |
| 6718841 | Gearbox A transmission with a drive shaft (10), an output shaft (20) mounted coaxially thereto and a countershaft (30), there being provided a first constant gear pair (K1) that can transmit the rotation of the countershaft (30) to the out... | 04/13/2004 |
| 6647817 | Automatic transmission An automatic transmission including an input shaft, an output shaft, a main clutch for transmitting a power of an engine to the input shaft, and synchromesh mechanisms for automatically changing over a plurality of shift gear trains, comprises an intermed... | 11/18/2003 |
| 6619150 | Manual transmission A compact manual transmission, especially for use in FF drive vehicles, has a small overall length even though a synchronizer is provided exclusively for reverse gear. The transmission has an input shaft, first and second intermediate shafts disposed in p... | 09/16/2003 |
| 6612193 | Change speed apparatus for a tractor A tractor change speed apparatus includes a manual change speed device having a combination of gear trains mounted on first and second parallel shafts and driving a change speed output shaft at various speeds. A backward and forward drive switching device... | 09/02/2003 |
| 6561052 | Automatic transmission A mesh type automatic transmission is equipped with a plurality of shift gears arranged to rotate freely to an output shaft for providing driving force to the wheels. Cogged clutches 12, 15 engage with the output shaft. Counter shift gears corresponding t... | 05/13/2003 |
| 6520041 | Three parallel shaft type automatic transmission A driven gear G3b for a forward second gear G3 which is obtained by a hydraulic clutch C3 on a second input shaft 5 is disposed contiguous with a driven gear G4b for a first gear G4. A spacer collar 9 is provided on an output shaft 6 so as to be positione... | 02/18/2003 |
| 6427551 | Transmission for vehicle A transmission for a vehicle has a pair of input shafts and an output shaft parallel to the input shafts. A plurality of drive gears is installed on the input shafts, and a plurality of driven gears are installed on the output shaft and meshed with the dr... | 08/06/2002 |
| 6397693 | Change speed apparatus for a tractor A change speed apparatus for a tractor includes a main change speed device (24) having a combination of gear trains mounted on a first shaft and a second shaft extending parallel to each other, for driving a change speed output shaft (58) at a plurality o... | 06/04/2002 |
| 6374690 | Gearshift In a transmission which incorporates a plurality of speed change gear trains, a plurality of clutches to select one of the gear trains for power transmission and a plurality of shift forks to selectively activate one of the clutches, a gearshift coveys a ... | 04/23/2002 |
| 6257084 | Transmission A transmission 1 includes: a casing 2 and rotatable shafts 50, 60, 70. A drive gear of a reversing gear train 24 and a drive gear of a first speed gear train 25 are fixed on the input shaft 50. The gear change mechanism for 1st speed operation is constitu... | 07/10/2001 |
| 5934142 | Two piece continuous mesh synchronized reverse idler system A two-piece continuous mesh synchronized reverse idler system is provided for use with a manual transmission. The system is provided for use with a vehicle transmission having an input shaft with a reverse driven gear, and an intermediate shaft with a rev... | 08/10/1999 |
| 5906132 | Motor vehicle gearbox Motor vehicle gearbox, comprising an input shaft (2) and two countershafts (3, 4) having six pairs of interengaging gears (7-11, 15, 16, 17-20) for first to sixth gear. The disengageable gear (17) for the first gear speed engages a disengageable gear (23)... | 05/25/1999 |
| 5884525 | Gear type power transmission A manual power transmission includes a transmission casing, input and output shafts coaxially aligned with each other and a countershaft accommodated within the transmission casing and positioned below the input and output shafts. The input and output sha... | 03/23/1999 |
