Patents for F16H 47 - Combinations of mechanical gearing with fluid clutches or fluid gearing (4,840)
01/1994
01/11/1994CA1325979C Unitized power system and vehicles employing same
01/05/1994EP0577282A1 Transmission
12/1993
12/28/1993US5273492 Hydraulic control system for a continuously variable transmission with a torque converter
12/15/1993EP0573844A1 Hydrostatic transaxle assembly and improved housing arrangement therefor
12/14/1993US5269732 Vehicle transmission with Ravigneaux central differential
12/07/1993US5267911 Hydromechanically infinitely variable transmission, with power splitting, particularly for motor vehicles
12/02/1993DE4321755A1 Vegetative drive via continuously variable servo mechanical gearbox - has epicyclic system in servo-mechanism with servo machine signalling change attached to epicyclic
12/01/1993CN2148217Y Rotary power transmission with alternative parallel motion and statics
11/1993
11/24/1993CN2147388Y Pneumatic transmission device
11/23/1993CA1324510C Infinitely variable positive mechanical transmission
11/18/1993DE4236671C1 Staglessly working hydrostatic-mechanical load switch gear - comprises four-shaft gearwheel circulating gear, stagelessly adjustable hydrostatic gear comprising gearwheel switch stages, and switch couplings
11/16/1993CA2012591C Power transmission with a continuously variable speed range
11/10/1993EP0569250A2 Gear box and vehicle incorporating the gear box
11/09/1993US5259194 Axle driving apparatus with variable volume reservoir chamber
10/1993
10/19/1993US5254051 Gearshift
10/19/1993US5253548 Vehicle transmission incorporating multi-stage torque converter
10/07/1993DE4227228A1 Variable drive for small power unit - has hydraulic pump driving hydraulic motor with swashplate control
10/06/1993EP0564003A1 Continuously variable hydromechanical power transmission
10/06/1993EP0563941A1 Power train for an automotive vehicle
09/1993
09/28/1993US5248283 Transmission
09/23/1993DE4208782A1 Goods vehicle drive with stepless hydrostatic-mechanical transmission - has computerised electronic control of diesel engine exhaust turbocharger and hydraulic retarder
09/22/1993EP0561430A2 Hydrostatic drive for components with multi-axle drive and process for driving said components hydrostatically
09/16/1993DE4206023A1 Continuously variable hydrostatic-mechanical transmission e.g. for independent drives in road vehicles - has split transmission with pair of hydrostatic units coupled to engine via gearbox and with output controlled by valves coupled to electrical controller
09/08/1993EP0559003A1 Power transmission unit particularly for agricultural, industrial and similar machines
09/08/1993EP0558748A1 Hydrostatic-mechanical power transmission system
09/08/1993EP0558707A1 Device for hydrostatically regulating the rotation of an output shaft
09/02/1993DE4206086A1 Modular power transmission system - is composed of electric or hydraulic motor with an epicyclic gear attached by housing.
09/01/1993EP0557700A1 Continuously variable hydrostatic-mechanical power transmission
08/1993
08/24/1993US5238460 Power transmission system for vehicle
08/05/1993WO1993015338A1 Continuously-variable hydromechanical parallel-type transmission device
08/05/1993WO1993015337A1 Power transmission
07/1993
07/28/1993CN2139190Y Flat hydraulic variable speed case for motor-trolley
07/21/1993EP0466742B1 Drive device with gearbox
07/15/1993DE4200692A1 Hydrostatic-mechanical power branching transmission for motor vehicle - has bidirectionally variable hydrostatic clutch motor adjusted while multi-variable brake motor is held at zero angle.
07/07/1993EP0550098A1 Hydromechanical transmission system
07/06/1993CA2002870C Hydro-planetary power division system
06/1993
06/30/1993EP0548428A1 Transmission system for axles
06/29/1993US5222921 Continuous gear change mechanism
06/29/1993US5222418 Pressurized fluid supply system for automatic power transmission for automotive vehicle
06/29/1993CA1319740C Output speed sensor diagnostic control for a motor vehicle transmission
06/24/1993DE4142545A1 Transmission with hydrodynamic torque converter and variable transmission stage - has fixed ratio gearing to bridge variable transmission while torque converter is operating
06/17/1993DE4241239A1 Automatic spur gear reduction transmission for motor vehicle - is formed as 3-shaft transmission with parallel drive shaft and two gear shafts meshing with pinion and ring gear to drive wheels
06/17/1993DE4140979A1 Mechanical-hydrostatic transmission for vehicle diesel engine - incorporates two hydrostatic machines with shaft of non-driven sun wheel coupled to rotor of hydrodynamic retarder
05/1993
05/26/1993EP0543803A2 Infinitely variable positive mechanical transmission
05/25/1993US5213551 Variable-ratio transmission device, especially for motor vehicles
05/19/1993CN2133715Y Stepless speed changer with machinery static liquid
05/18/1993US5211610 Reduction-distribution unit particularly suitable for industrial machines
05/18/1993US5211064 For a vehicle propulsion system
05/06/1993DE4135936A1 Steplessly-adjustable automatic gearbox - has shaft driving main shaft via first differential and torque-converter with clutch
05/04/1993US5207736 Control of a displacement machine of a hydrostatic-mechanical torque shift transmission
04/1993
04/29/1993DE4235728A1 Hydrostatic gearbox for motor vehicles - has torque support bearing formed as complete structural unit
04/21/1993EP0429517B1 Arrangement and process for operating a continuously variable drive unit in a motor vehicle
04/20/1993US5203747 Integrated hydro-mechanical transmission
04/15/1993DE4133349A1 Drive for cutting and forming machine tools - has additional flywheel mass, rotating at fast and mainly constant speed
04/13/1993US5201692 Rider transaxle having hydrostatic transmission
04/13/1993US5201691 Variable speed transmission assembly
03/1993
03/31/1993EP0533921A1 Two-path hydromechanical transmission and control method therefor
03/31/1993CN1070459A Infinitely variable positive mechanical transmission
03/25/1993DE4131572A1 Hydrostatic split-type vehicle power transmission
03/25/1993DE4131180A1 Gear assembly for vehicle automatic gearbox - has planet carrier coupled to engine, with torque of sun wheel transmitted via coupling to pump wheel of hydro-dynamic torque converter
03/24/1993EP0386214B1 Hydromechanically infinitely variable transmission with power splitting, in particular for motor vehicles
03/23/1993US5195600 Electric drive system for track-laying vehicles
03/16/1993US5194052 Stepless transmission for vehicles
03/16/1993US5193416 Mechanical-hydraulic transmission gear system and method of controlling power transmission using the system
03/10/1993EP0530516A2 Multiple speed automatic transaxle for automotive vehicles
03/03/1993EP0343197B1 Infinitely variable, hydrostatic-mechanical gear system, in particular for motor vehicles
02/1993
02/24/1993EP0528319A1 Vehicle transmission with centre differential
02/23/1993US5188193 Drive arrangement for earth moving machines
02/16/1993US5186692 Hydromechanical orbital transmission
02/04/1993WO1993002298A1 Device for hydrostatically regulating the rotation of an output shaft
01/1993
01/20/1993EP0523280A1 Hydrostatic two-way-variable-speed drive
01/14/1993DE4122628A1 Vehicle gearbox with double friction clutch and synchroniser - includes planetary gear train at output side for transmission of power to lower ratios of gearing
01/07/1993EP0521769A1 Shift device for transverse automatic transmission with the powerflow passing through two stages of coupled gears
01/07/1993EP0521195A1 Split-torque hydromechanical transmission
01/07/1993EP0429525B1 Arrangement and process for operating a variable drive unit
01/07/1993DE4125988A1 Hydrostatic split-type vehicle power transmission
01/05/1993US5176588 Continuously variable drive train
12/1992
12/30/1992CN1019680B Power-diversion stepiess variable drive system
12/23/1992CN1067299A Manual and automatic slepless power variable speed case
12/09/1992EP0429503B1 Process for operating a variable drive unit
12/08/1992US5169366 Device for the regulation of an automatic transmission unit
12/01/1992US5167588 Hydrostatic two-way-variable-speed drive
11/1992
11/26/1992DE4115623A1 Hydrostatic-mechanical drive for agricultural or goods vehicle - has compact lay out with minimum gap between input and output shafts
11/24/1992CA1310518C Variable-speed power transmission device
11/19/1992EP0513674A1 Hydrostatic-mechanical power-split transmission
11/19/1992EP0513382A1 Stepless speed change gear for vehicle
11/17/1992US5163293 Axle driving apparatus with variable depth crescent oil passages
11/11/1992CN2121573U Machine-liquid double-flow stepless speed variator
11/03/1992US5159992 Infinitely variable hydrostatic transmission drive
11/03/1992US5159855 Continuously variable driving unit of a motor vehicle
10/1992
10/29/1992WO1992018793A1 Gearshift
10/20/1992US5156577 Hydrostatic split-type power transmission
10/15/1992DE4126650A1 Vehicle gear change device - has two change couplings with intermeshing coupling rings, one with axial spring location
10/14/1992CN1065324A Infinitely variable speed device for vehicles
10/07/1992EP0507114A2 Arrangement of a planetary gearing with a hydraulic torque converter
10/06/1992US5152190 Toothed-wheel change gear pump for conveyance and a gearbox for transmission oil intermediate storage
09/1992
09/30/1992EP0505688A1 Control for the positive displacement machine of a hydrostatic-mechanical gearing shiftable under load
09/29/1992US5151067 Vehicle automatic transmission system
09/23/1992EP0504194A1 Gearshift
09/16/1992EP0503592A1 Gearbox with hydrostatic motors particularly for earth-movers
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