| Patents for F16H 47 - Combinations of mechanical gearing with fluid clutches or fluid gearing (4,840) |
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| 05/09/1990 | EP0366737A1 Cam gearing |
| 05/08/1990 | US4922804 Variable speed hydraulic unit |
| 05/02/1990 | EP0365772A2 Propulsion device, particularly for an extreme cross-country wheeled vehicle |
| 05/01/1990 | US4920826 Transmission apparatus |
| 04/25/1990 | EP0365369A2 Flexible hydraulic drive for commercial vehicles travelling at a relatively high speed |
| 04/24/1990 | US4919010 Transmission apparatus and method |
| 04/24/1990 | US4919009 Two turbine variable speed fluid coupling marine transmission |
| 04/18/1990 | CN2056204U Engagement mechanism of hydraulic starter for explosion-proof locomotive |
| 04/11/1990 | EP0253851B1 Integral gear box and electrical generating system |
| 04/10/1990 | US4914907 Axle driving apparatus |
| 04/03/1990 | US4913002 Automatic continuously variable transmission of the toroidal-race rolling-traction type |
| 03/22/1990 | WO1990002893A1 Hydromechanically infinitely variable transmission with power splitting, in particular for motor vehicles |
| 03/22/1990 | DE3929209A1 Stufenloses hydrostatisch-mechanisches verzweigungsgetriebe, insbesondere fuer kraftfahrzeuge Infinitely variable hydrostatic-mechanical branching transmission, particularly for motor vehicles |
| 03/21/1990 | EP0359654A1 Transmission for fast tracked or non-deflectable wheeled vehicles |
| 03/20/1990 | US4909103 System for controlling a continuously variable transmission having a torque converter |
| 03/14/1990 | EP0358318A2 A damper assembly for a power transmission mechanism |
| 03/08/1990 | WO1990002060A1 Arrangement and process for operating a variable drive unit |
| 03/08/1990 | WO1990002059A1 Arrangement and process for operating a continuously variable drive unit in a motor vehicle |
| 03/08/1990 | WO1990002058A1 Arrangement and process for operating a variable drive unit |
| 03/07/1990 | EP0356441A1 Hydraulic pressure-regulating device, in particular for powershift gearbox in motor vehicles. |
| 02/28/1990 | EP0355268A2 Transmission and method of operation |
| 02/22/1990 | DE3926718A1 Adjustable drive unit operating system for vehicle - uses drive switch to preselect continuous speed and control device only allows continuous running at given transfer ratios |
| 02/22/1990 | DE3926717A1 Vehicle adjustable drive unit operating system - has controlled combustion engine and hydrostatic-mechanical power branching gearing and control device |
| 02/22/1990 | DE3926716A1 Vehicle adjustable drive unit operating system - has controlled combustion engine, controlled hydromechanical power branching and shared control device |
| 02/20/1990 | US4901597 Continuously variable automotive transmission |
| 02/13/1990 | US4899622 Automatic transmission for a motor vehicle |
| 02/06/1990 | US4898050 System for controlling the pressure of oil for a continuously variable transmission |
| 01/30/1990 | US4896563 Hydraulic mechanical power drive for heavy vehicles |
| 01/25/1990 | WO1990000691A1 Flexible hydraulic device for driving vehicles, in particular commercial vehicles, at relatively high speed |
| 01/24/1990 | EP0351510A1 Two speed automatic IC engine auxiliary drive |
| 01/23/1990 | US4895050 Branched infinitely-variable hydromechanical transmission for motor vehicles |
| 01/23/1990 | US4895049 Stepless speed reducer |
| 01/17/1990 | EP0351096A2 Four speed planetary gear transmission having three driving modes |
| 01/17/1990 | EP0351095A2 Accumulator control for hydraulic actuating pressure of automatic transmission friction clutch or brake |
| 01/10/1990 | EP0349624A1 Device for suppressing noise and vibrations, in particular in continuously variable transmissions with power split in motor vehicles. |
| 12/27/1989 | EP0347594A1 Drive system for a vehicle |
| 12/27/1989 | EP0347504A1 Infinitely variable positive mechanical transmission |
| 12/26/1989 | US4889012 Damping assembly for a torque converter clutch |
| 12/20/1989 | EP0347186A2 Variable ratio power transmission |
| 12/19/1989 | US4887487 Hydro-planetary power division system |
| 12/14/1989 | WO1989012188A1 Mechanical-hydraulic transmission gear and method of controlling same |
| 11/29/1989 | EP0343197A1 Infinitely variable, hydrostatic-mechanical gear system, in particular for motor vehicles |
| 11/29/1989 | CN1037590A Device for detection of braking engine |
| 11/28/1989 | CA1263285A1 Torque transmission arrangement and control system for same |
| 11/16/1989 | WO1989011051A1 Hydro-planetary power division system |
| 11/15/1989 | EP0341818A2 A device for detecting engine brake |
| 11/08/1989 | CN2047322U Stationary shaft type variable-speed box of hydraulic machine |
| 11/02/1989 | EP0339346A1 Automatic control device for the gearshift of industrial vehicles |
| 11/02/1989 | EP0339202A2 Driving device for machines and vehicles |
| 10/31/1989 | US4876922 Stepless speed-change power transmission for vehicle |
| 10/26/1989 | DE3817292A1 Torque dividing transmission |
| 10/19/1989 | WO1989009899A1 Hydrostatic-mecanical power-distribution gearbox |
| 10/19/1989 | DE3910410A1 Hydrostatically mechanical torque-division gearing |
| 10/19/1989 | DE3909939A1 Change-under-load transmission (powershift transmission) |
| 10/17/1989 | US4873893 Infinitely variable positive mechanical transmissions |
| 10/12/1989 | DE3909940A1 Change-under-load transmission (powershift transmission) with infinitely variable transmission ratio |
| 10/12/1989 | DE3809992A1 Vorrichtung zur formschluessigen uebertragung oder umwandlung von kraeften und bewegungen Apparatus for formschluessigen Transfer or conversion of forces and motion |
| 10/10/1989 | US4872375 Control method for planetary transmission having four element torque converter |
| 10/10/1989 | US4872374 Planetary transmission apparatus having a four element torque converter |
| 10/05/1989 | WO1989009353A1 Powershift gearbox with infinitely variable ratio |
| 10/05/1989 | WO1989009351A1 Cam gearing |
| 10/03/1989 | US4871048 Control system for vehicle transmissions |
| 09/20/1989 | EP0333487A1 Automatic transmission for vehicle having forward clutch and counter drive gear positioned between torque converter and gear mechanism |
| 09/20/1989 | CN2044666U Stepless moment-changer with double planets |
| 09/19/1989 | US4867290 High excursion torsional vibration damper for controlled energy absorption |
| 09/19/1989 | US4867011 Four speed planetary gear transmission having three driving modes |
| 09/12/1989 | US4864889 Continuously variable transmission |
| 08/22/1989 | CA1258593A1 Transmission with torque converter |
| 08/16/1989 | EP0328166A1 Continuously variable transmission provided with a torque converter |
| 08/15/1989 | US4856369 Continually variable transmission having torque regeneration operating mode |
| 08/15/1989 | CA1258451A1 Device for driving a body that performs a tumbling and rotating movement |
| 08/10/1989 | DE3903010A1 Clutch with control device, particularly for automatic motor-vehicle gearboxes |
| 08/09/1989 | EP0205608B1 Differential transmission mechanism for a constant speed drive |
| 08/02/1989 | EP0325641A1 Vehicle drive lines |
| 08/01/1989 | US4852427 Transmission |
| 07/19/1989 | CN1034046A Fluid static pressure stepless gearshift planetary gear reducer |
| 07/18/1989 | US4848186 Dual hydrostatic drive transmission |
| 07/13/1989 | DE3843272A1 Device for reducing noise and vibration, especially in a continuously variable split-torque motor-vehicle transmission |
| 07/11/1989 | US4846765 System for controlling the pressure of oil for a continuously variable transmission |
| 07/05/1989 | EP0322574A2 Continually variable transmission having torque regeneration operating mode |
| 07/04/1989 | US4843918 System for controlling a continuously variable transmission having a torque converter |
| 07/04/1989 | US4843917 Accumulator control for hydraulic actuating pressure of automatic transmission friction clutch or brake |
| 07/04/1989 | US4843908 Stepless speed-change power transmission for vehicle |
| 07/04/1989 | US4843907 Hydromechanical power splitting transmission for vehicles |
| 06/29/1989 | WO1989005935A1 Engine starting and power generating system |
| 06/29/1989 | WO1989005931A1 Device for suppressing noise and vibrations, in particular in continuously variable transmissions with power split in motor vehicles |
| 06/28/1989 | EP0322202A2 Dual hydrostatic drive transmission |
| 06/28/1989 | EP0321621A1 Continuously variable automotive transmission |
| 06/21/1989 | EP0320857A2 Hydromechanical drive system, such as a coupling, transmission or the like |
| 06/20/1989 | CA1255994A1 Hydromechanical torque transmission device |
| 06/08/1989 | DE3838768A1 Hydrostatic/mechanical power-shift transmission with a continuously variable effect and with toothed selector clutches for shifts proprietary to gear changes and multi-plate clutches for the gear changes |
| 06/08/1989 | DE3838767A1 Hydrostatic/mechanical power-shift transmission with a continuously variable effect and a high-quality gear change |
| 06/06/1989 | US4836362 Endless drive transmission |
| 06/06/1989 | US4836049 Continually variable transmission having fixed ratio and variable ratio mechanisms |
| 05/30/1989 | US4833946 Variable force solenoid pressure control for an automatic transmission |
| 05/30/1989 | US4833942 Multistate differential transmission |
| 05/24/1989 | EP0316629A2 Variable force solenoid pressure control for an automatic transmission |
| 05/23/1989 | US4831892 Automatic transmission with overdrive |
| 05/10/1989 | EP0214989B1 Planetary wheel gear-change box |
| 05/10/1989 | CN2037412U Liquid static pressure infinitely variable speeds planetary speed reducer |