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| Number | Title | Issue Date |
| 7913582 | Transmission for tractor A transmission for a tractor has a main transmission part between a forward/reverse transmission part and a sub transmission part. The main transmission part has a driving shaft, a first sub shaft parallel with the driving shaft, a second sub shaft parallel with the... | 03/29/2011 |
| 7428852 | Actuator mechanism for shift motors of a transmission A system for actuating couplers to produce gear changes in a motor vehicle transmission includes first and second actuator drums supported for rotation, and first and second shift forks. Each first shift fork is driveably connected to a first actuator drum, secured ... | 09/30/2008 |
| 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 |
| 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 |
| 7311187 | Dual clutch transmission clutch cooling circuit A hydraulic circuit for controlling the application of pressurized cooling fluid to the clutches of a dual clutch transmission including a cooling unit in fluid communication with a source of the pressurized cooling fluid and adapted to exchange heat from the coolin... | 12/25/2007 |
| 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 |
| 7231287 | Gearbox and method for controlling a clutch, especially a double clutch A method for controlling a clutch, especially a double clutch, an interruption-free manually controlled gearbox, especially a parallel gearbox. A common torque mapping for controlling the clutches is created according to the respective base torque mapping of each cl... | 06/12/2007 |
| 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 |
| 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 |
| 7155993 | Dual clutch transmission having a synchronizer actuation interlock circuit A dual clutch transmission for a motor vehicle having a synchronizer actuation interlock system includes two input shafts, a counter shaft, and a plurality of gear sets rotatively disposed on the shafts. The gear sets are adapted to be operatively engaged to and dis... | 01/02/2007 |
| 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 |
| 7127961 | Integrated control module for a dual clutch transmission An integrated control module for a dual clutch transmission that includes a valve body having an inlet, a plurality of outlets with a plurality of internal hydraulic passages disposed therebetween, and a hydraulic control assembly mounted to the valve body. The hydr... | 10/31/2006 |
| 7121373 | Motorcycle To advance the pivotally supporting point of a swing arm on a vehicle body frame, the distance in the forward and backward direction between a crankshaft and a countershaft of a transmission is decreased as much as possible thereby making the length of the swing arm... | 10/17/2006 |
| 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 |
| 7073407 | Integrated control module for use in a dual clutch transmission having integrated shift actuator position sensors An integrated control module for a dual clutch transmission having an integrated shift actuator position sensor assembly that includes a valve body having a plurality of raised portions juxtaposed to each other with a plurality of shift actuator bores piston bores f... | 07/11/2006 |
| 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 |
| 7017887 | Winch for boat trailer A low-amp winch for use on boat trailers is provided with a higher gear reduction than conventional winches and with a winch cable made of a softer material and shorter length than conventional boat winches to reduce the current draw from the motor. The winch is cap... | 03/28/2006 |
| 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 |
| 6993991 | Gear selector device for a motor vehicle A gear selector device for a transmission of a motor vehicle in which at least one gear wheel 2, 3 and one sliding sleeve 4 are situated upon one transmission shaft 1. For axial displacement of the sliding sleeve 4 upon the transmission s... | 02/07/2006 |
| 6953417 | Method for controlling a dual clutch transmission A method of controlling the hydraulic actuation of the clutches and the synchronizers in a dual clutch transmission in the event of a clutch or synchronizer fault. The method includes the steps of determining which clutch is faulted when a clutch-on fault is detecte... | 10/11/2005 |
| 6926635 | Multi-speed transmission A multi-speed transmission with an input shaft (1) and an output shaft (2) with two spur gear speeds (ST1, ST2) that are connected tightly on the input side with the input shaft (1) and generate two output rotational speeds (n1 | 08/09/2005 |
| 6909955 | Method of controlling a dual clutch transmission A method of controlling the timing of the shift events of a dual clutch transmission that includes the steps of sensing the current output speed of the transmission, determining the time required to complete each possible shift event within the transmission, and det... | 06/21/2005 |
| 6892595 | Transmission of a working vehicle A compact transmission includes a reliable wet brake, which is disposed in a brake chamber formed on an outer surface of a sidewall of a housing of the transmission. Engine power is transmitted through a continuously variable transmission to an input shaft of the tr... | 05/17/2005 |
| 6752034 | Powershift reversing gearbox In a powershift multi-gear transmission (1), the countershafts of the reverse gear (KR), of the forward gear (KV) and of the fourth gear (K4) are combined to form one reversing transmission unit (33) and the countershaft units of the first gear ... | 06/22/2004 |
| 6620070 | Multi-speed transmission A vehicle transmission is provided that includes an input shaft, a countershaft, and an output shaft. A plurality of clutches and gears are operatively disposed on the input shaft, countershaft, and output shaft. At least one of the clutches disposed on t... | 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 |
| 6513399 | Dual power flow counter shaft transmission A powershift transmission for a work vehicle is disclosed having two modes of applying power: a direct connection through a series of gears, and a connection through a torque converter integral with the transmission. The two paths branch at the input shaf... | 02/04/2003 |
| 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 |
| 6250172 | Gear change for a commercial vehicle A gear change for a commercial vehicle comprising a main group defining a plurality of transmission ratios and an auxiliary group with two transmission ratios actuated by an actuator with three positions corresponding respectively to two coupling position... | 06/26/2001 |
| 6085606 | Mechanical transmission with reduced ratio steps in upper transmission ratios A mechanical transmission (14) having a plurality of ratios (first-twelfth) and an automated system (10) utilizing same, has an upper group of ratios (seventh-twelfth) having a relatively small average ratio step (13%) compared to the average ratio steps ... | 07/11/2000 |
| 5970809 | Transmission for farm tractors A transmission device for farm tractors is disclosed. In the transmission device, a hollow travelling drive shaft and a PTO drive internal shaft are substituted for a typical hollow PTO drive shaft and travelling internal shaft, respectively. The transmis... | 10/26/1999 |
| 5802916 | Shift device for a change speed-gearbox In a shift device of a change speed gearbox, a shift rod is mounted axially displaceably on a shift casing unit and on a casing part, securing the latter, of a gearbox casing, which is divided into two, and a shift rocker is pivotably mounted on two beari... | 09/08/1998 |
| 5647246 | Reverse idler shaft and washer assembly A reverse idler shaft and washer assembly particularly suited for use in a compound transmission includes a lubricating washer having at least one notch for collecting and directing lubricating oil through a reverse idler gear bearing such that lubricatio... | 07/15/1997 |
| 5640882 | Indirect manual transmission for motor vehicles having cross-country An indirect manual transmission for a motor vehicle having cross-country mobility includes a cross-country reduction stage connected behind the transmission unit. At least one control gear wheel constructed as a loose wheel is provided on its input shaft.... | 06/24/1997 |
| 5524500 | Multi-stage reversing gear changeable under load The invention relates to a multi-stage reversing gear (1) that is changeable under load, especially as used in construction machines. The gear has a four-speed transmission (3) preferably fitted downstream of a changing set (2). The gear ratios can be cha... | 06/11/1996 |
| 5508916 | Control for engagement of positive clutches in automated mechanical transmission systems A control method/system for controlling engagement of a target gear ratio (GRT)in a vehicular automated mechanical transmission system (10) is provided. The control causes engine speed (ES) to be alternately greater than and then less than sync... | 04/16/1996 |
| 5479835 | Reverse gear synchronizer A manual transmission for a motor vehicle includes an input shaft; a counter shaft constantly torque-transmittingly coupled to the input shaft and carrying driven gears; a main shaft carrying forward driven gears mounted for free rotation and being in a c... | 01/02/1996 |
| 5417125 | Automatic transmission for motor vehicles An automatic transmission for motor vehicles, comprising an input shaft (2) driven by a torque converter (3). The input shaft drives via two countershafts (6, 7), an output shaft or a crown gear (42) and a differential. The countershafts each have an indi... | 05/23/1995 |
| 5375482 | Gearbox for a front wheel drive and transverse engine vehicle improving the ability of the latter to cope with difficult ground A gearbox of a front wheel drive vehicle, having a transverse engine, includes a hollow main shaft carrying gears corresponding to different speeds, and has a driving input shaft extending therethrough so as to be rotatable relative to the hollow main sha... | 12/27/1994 |
