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