Patents for F16H 3 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion (26,889) |
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04/18/1989 | CA1252648A1 Speed change gear |
04/11/1989 | US4819510 Three-element multi-stage torque converter |
04/11/1989 | US4819506 Power transmitting system for a four-wheel drive vehicle |
04/11/1989 | CA1252308A1 Transmission apparatus and method |
04/06/1989 | WO1989002995A1 Multi-step reduction gear for motor vehicles |
04/04/1989 | US4817773 Synchronizing mechanism for clutches |
04/04/1989 | US4817772 Shiftable friction clutch |
04/04/1989 | US4817473 Hydraulic control valve system for an automatic multiple-speed transmission with a lockup torque converter and electronically operated lockup control |
04/04/1989 | US4817470 Gear-shift mechanism for motor-vehicle multi-step transmissions with interruption of traction |
04/04/1989 | US4817462 Planetary shift gear unit |
04/04/1989 | US4817451 Control mechanism for selective engagement of a free wheeling engagement mechanism |
03/30/1989 | DE3730314A1 Spur-wheel change-speed gearbox, particularly for motor vehicles |
03/29/1989 | EP0309329A1 Device for orienting an object around two rotation axes |
03/29/1989 | EP0309295A2 Multi-countershaft transmission |
03/29/1989 | EP0309288A2 Multi-speed transmission |
03/29/1989 | EP0309108A2 Extended range splitter type compound transmission |
03/28/1989 | CA1251660A1 Spacer for transmission shaft |
03/23/1989 | WO1989002550A1 Continuously adjustable drive |
03/22/1989 | EP0307689A2 Extended range hydromechanical steering transmission |
03/21/1989 | US4813302 Speed changing mechanism |
03/21/1989 | US4813301 Automatic transmission |
03/21/1989 | US4813300 Power transmission with torque converter |
03/21/1989 | US4813299 Automatic transmission |
03/15/1989 | EP0269622B1 Gear system for a motor vehicle |
03/14/1989 | US4811825 Dog clutch with locking synchronization |
03/14/1989 | US4811655 Motor vehicle gearbox with one-way clutch in a selected gear |
03/14/1989 | US4811615 Mechanism for eliminating gear rattle in a shiftable transmission |
03/14/1989 | CA1251098A1 Shift means for a marine propulsion device |
03/08/1989 | EP0305408A1 Hydromechanical drive |
03/07/1989 | US4809832 Gear synchronizer mechanism |
03/07/1989 | US4809560 Key-shift transmission |
03/01/1989 | EP0305136A2 Manual transmission for motor vehicle |
03/01/1989 | EP0305045A1 Planetary gear type speed change device to provide six speed stages with two single pinion type simple planetary gear mechanisms |
03/01/1989 | EP0304919A2 Stepless planetary gearing |
02/28/1989 | US4807494 Stepwise variable speed planetary drive |
02/28/1989 | US4807493 Twin countershaft transmission with floating main shaft |
02/28/1989 | US4807492 Mechanism for supporting transmission shafts of automatic transmission apparatus |
02/28/1989 | CA1250451A1 Clutch type change speed apparatus for working vehicle |
02/22/1989 | EP0304334A2 Manual transmission for motor vehicle |
02/22/1989 | EP0304275A2 Manual transmission for motor vehicle |
02/22/1989 | EP0303612A1 Friction devices |
02/22/1989 | EP0303606A1 Synchronisation ring. |
02/21/1989 | US4805755 Synchronizer |
02/21/1989 | US4805489 Infinitely variable ratio transmission |
02/21/1989 | US4805484 Power transfer mechanism for four-wheel drive |
02/21/1989 | US4805473 Bi-directional torque transmission unit |
02/21/1989 | US4805471 Multi-speed transmission |
02/15/1989 | EP0302857A1 Locking synchronization system for gearbox shift systems. |
02/08/1989 | EP0302723A2 Planetary gear type speed change device having one-way clutch operable in two functions |
02/08/1989 | EP0302229A2 Rotary electric tool with a variable speed gearing |
02/08/1989 | EP0302188A1 Continuously variable hydromechanical power transmission |
02/07/1989 | US4802385 Automatic transmission's ravigneaux type planetary gear train having two ring gears |
02/07/1989 | US4802384 Procedure for shifting a transmission composed of several gear units |
02/07/1989 | US4802375 Change-speed gearbox |
02/07/1989 | US4802373 Manual transmission with one primary shaft and two secondary shafts |
02/07/1989 | US4802372 Selectable ratio transmission and visual identification of the ratio |
02/01/1989 | EP0301704A1 Two-speed alternator drive |
02/01/1989 | EP0301081A1 Dual epicyclic speed changer. |
01/31/1989 | US4800782 Accessory transmission |
01/31/1989 | US4800780 Accessory transmission |
01/31/1989 | US4800778 Mechanical system for the continuous and staged conversion of a torque |
01/31/1989 | US4800769 Transmission dual idler reverse drive mechanism |
01/31/1989 | CA1249458A1 Forging process |
01/26/1989 | DE3822319A1 Planetary power-shift transmission |
01/26/1989 | DE3723635A1 Mechanism for the infinite variation of the transmission ratio |
01/25/1989 | EP0300843A1 Gear pinion brake device of a motor vehicle gearbox |
01/25/1989 | EP0300792A2 Automatic change gear control means |
01/25/1989 | EP0300293A2 Variable speed hydraulic unit |
01/24/1989 | US4799404 Intermediate shift control apparatus for automatic transmission |
01/24/1989 | US4799401 Extended range hydromechanical steering transmission |
01/24/1989 | US4799399 Manually controlled multiple speed ratio transmission |
01/24/1989 | US4799395 Motor vehicle gearbox with one-way clutch in first gear |
01/18/1989 | EP0299930A1 Motor vehicle gearbox with a device for synchronised engagement of reverse |
01/17/1989 | US4798254 Components in or for self-powered vehicles |
01/17/1989 | US4798103 Automatic transmission with add-on overdrive |
01/12/1989 | DE3721214A1 Spur-wheel change-speed gearbox for motor vehicles, especially passenger vehicles |
01/11/1989 | EP0255520B1 Gearbox for a motorized vehicle |
01/10/1989 | US4796490 Event sequenced clutch-to-clutch downshift for an electronically controlled transmission |
01/10/1989 | CA1248365A1 Epicyclic gear speed change mechanism |
01/05/1989 | DE3719987A1 Getriebe fuer kleinantriebe Gear for small drives |
01/04/1989 | EP0225327B1 Control device for automatic shifting of staged gear-boxes |
01/04/1989 | CN1030034A Drive for continuous rolling train |
01/03/1989 | CA1247980A1 Hydraulic servo for friction coupling devices of automatic transmissions |
12/29/1988 | WO1988010379A1 Gearbox for small gears |
12/28/1988 | EP0296900A1 Control system for the output speed of a torque convertor with two differentials |
12/28/1988 | EP0296770A2 A transmission for producing multiple speed ratios |
12/28/1988 | CN86210990U Planetary mechanical stepless speed-changing device |
12/28/1988 | CA1247400A Torque-proportioning differential with sectional housing |
12/27/1988 | US4793773 Marine propelling apparatus |
12/27/1988 | US4793215 Transmission |
12/27/1988 | US4793213 Compact transmission apparatus for a vehicle |
12/27/1988 | US4793210 Compact construction for transversely mounted transmission |
12/27/1988 | US4793202 Vehicular transmission shift mechanism |
12/22/1988 | DE3721276C1 Power-shift transmission for motor vehicles |
12/21/1988 | EP0295569A1 Reversing mechanism for an outboard propulsion power leg |
12/20/1988 | US4791833 Reduction gear mechanism for motor-driven drill incorporating speed changing mechanism |
12/20/1988 | CA1246896A1 Continuously variable transmission |
12/14/1988 | CN87107664A Power-diversion stepless variable drive system |
12/13/1988 | US4790418 Transmission clutch loop transfer control |
12/13/1988 | US4790213 Planetary gear assemblies |