Patents for F16H 61 - Control functions within change-speed- or reversing-gearings for conveying rotary motion (47,420)
10/1990
10/02/1990US4959959 Distribution ring in hydraulically operated continuously variable transmission
09/1990
09/30/1990CA2013463A1 Safety shift-lock device for selector of automatic power transmission
09/29/1990CA2010269A1 Lock-up clutch for four element torque converter
09/27/1990DE4009448A1 Antrieb Drive
09/27/1990DE3909014A1 Mechanical gearshift arrangement for change-speed gearboxes of motor vehicles
09/26/1990EP0389262A2 Method of controlling continuously variable transmission in combination with engine throttle control
09/26/1990EP0389105A1 Manual control for extended range splitter type compound transmission
09/26/1990EP0389030A1 Pulley
09/25/1990US4959786 Dual regulator for reducing system current during at least one mode of operation
09/25/1990US4959597 Numerical control apparatus
09/25/1990US4958538 Method and apparatus for controlling line pressure of continuously variable transmission system
09/25/1990US4958537 Transmission casing cover with tubular conduit cast in situ
09/25/1990US4958534 Shift device for hydraulic transmission
09/25/1990US4958495 Hydraulic differential cylinder
09/25/1990US4958494 Controller for continuously variable speed transmission
09/25/1990US4958492 Method of controlling clutch operation for a vehicle and method of determining clutch engagement completion
09/25/1990CA1274453A1 Manual transmission gearshift mechanism with reverse inhibitor
09/25/1990CA1274404A1 Blocked jaw clutch assembly
09/19/1990EP0388107A2 Vehicle control apparatus and method therefor
09/19/1990EP0387275A1 A control system for automatic gearboxes in which gear changes are effected stepwise.
09/18/1990US4958287 Electronic control system for automatic vehicle transmission
09/18/1990US4957194 Torque converter slip control device
09/18/1990US4957016 Vehicle transmission, particularly for an agricultural tractor
09/18/1990US4957015 Holding means and binding means for selector gear servo valve in a hydraulic transmission
09/18/1990US4956972 Method of controlling speed reduction ratio for a continuously variable speed transmission
09/13/1990DE3844401A1 Variable delivery (displacement, volume) pump having hydraulic displacement for controlling the delivery rate (volumetric capacity) and/or pressure for at least two consumers (loads)
09/12/1990EP0386792A2 Slip control system for a vehicle
09/12/1990EP0386746A1 Control system for transmission
09/12/1990CN1045292A Gear stepless speed changing device
09/11/1990US4956776 Device for managing an electrohydraulic pressure control
09/11/1990US4955935 Gear shift device for automotive vehicle
09/11/1990US4955851 Transmission and method of operation
09/11/1990US4955260 Hydraulic control system for transmission
09/11/1990US4955259 Line pressure control arrangement for automatic automotive transmission
09/11/1990US4955258 Device and method of fail-safe control for electronically controlled automatic transmission
09/11/1990US4955257 Method of controlling shifts in an automatic transmission
09/11/1990US4955256 Hydraulic control apparatus
09/11/1990US4955255 Power transmission system for a motor vehicle with an automatic transmission
09/11/1990US4955249 Control mechanism for hydrostatic transmission
09/06/1990DE3906965A1 Electrical switch, especially a reversing switch for the drive of a motor vehicle
09/05/1990EP0385629A2 Method and system for updating of control parameter value indicative of master clutch point of incipient engagement
09/05/1990EP0385438A2 Line pressure control arrangement for automotive automatic transmission
09/05/1990EP0385393A1 Vehicle transmission with at least two ratios, especially for construction machines, for example tractor shovel
09/05/1990EP0385286A2 Variable force solenoid pressure regulator for electronic transmission controller
09/05/1990EP0385244A1 Method for controlling an automatic mechanical transmission including speed sensor signal fault detection and tolerance
09/05/1990EP0385058A2 Pilot operated variable force solenoid valve in an automatic transmission control circuit
09/05/1990CN1045164A Dual ratio transmission shifter assembly with neutral safety switch
09/05/1990CN1009483B Fluid actuated shift bar housing assembly
09/05/1990CN1009477B Accelerating adjuster in hydraulic driving system
09/04/1990US4953679 Slip control system for lock-up clutch of automatic transmission
09/04/1990US4953677 Method of and apparatus for controlling direct coupling mechanism in hydrodynamic driving apparatus
09/04/1990US4953591 Hydraulic accumulator
09/04/1990US4953427 Vehicle speed control system
09/04/1990US4953421 Power-transmission joint
09/04/1990CA1273506A1 Blocked jaw clutch assembly
09/04/1990CA1273505A1 Method of controlling clutch for fluid torque converter in vehicular transmission
08/1990
08/29/1990EP0384413A2 Control system for vehicle with automatic transmission
08/29/1990EP0384300A2 Engine torque control system for vehicle with automatic transmission
08/29/1990EP0384062A1 Transmission shifter assembly
08/29/1990CN1009350B Method for controlling amt system including wheel lock-up detection and toterance
08/28/1990US4953091 Automatic transmission torque converter clutch control
08/28/1990US4953090 Hydraulic pressure control for reducing engagement shock of automatic transmission
08/28/1990US4952200 Automatic transmission
08/28/1990US4951795 Modulation valve device
08/28/1990US4951528 Shift control system for automatic transmission
08/28/1990US4951468 Method of determining duty ratio used for operational control of a solenoid
08/28/1990US4951466 Warm-up control for transmission hydrostatic unit
08/28/1990US4951462 Hydrostatic transmission with motor start control system
08/28/1990CA1273424A1 Clutch-to-clutch coast downshifting in a motor vehicle automatic transmission
08/28/1990CA1273268A1 Dual pressure displacement control system
08/23/1990WO1990009649A1 Motor vehicle control system
08/22/1990EP0383688A1 Manual gearbox ratio-detecting device associated with a linkage of a control system for an automatic clutch
08/22/1990EP0383493A2 Compound transmission and shift control therefor
08/22/1990EP0268686B1 Device for selecting starting speed stage in automatic transmission
08/21/1990US4951206 Throttle valve opening detecting apparatus for a vehicle engine
08/21/1990US4951205 Method of diagnostic protection for an electronic automatic transmission system
08/21/1990US4951200 Method of controlling the apply element during a kickdown shift for an electronic automatic transmission system
08/21/1990US4949821 Automatic transmission
08/21/1990US4949752 Thermally compensated noise control device for a solenoid-actuated valve
08/21/1990US4949597 Hydraulic system for controlling shift in automatic transmission
08/21/1990US4949596 Method of controlling continuously variable automotive transmission
08/21/1990US4949595 Line pressure control arrangement for an automatic transmission
08/21/1990US4949541 Apparatus for the feed and the speed and torque control of a hydraulic motor with variable displacement at constant pressure
08/16/1990EP0382115A2 Control device for a belt drive
08/16/1990DE4004182A1 Automatic transmission for vehicle - incorporates kick-down modulation valve, throttle valve and gear-change valve
08/16/1990DE4001853A1 Electronic range indicator for motor vehicle - has switch array powered by vehicle ignition voltage used to indicate selected transmission range
08/14/1990US4949264 Transmission having electromagnetic proportional reduction valve
08/14/1990US4949078 Fail-safe operation of a vehicle automatic transmission responsive to failure of engine water temperature sensor
08/14/1990US4948370 Transmission ratio control system for a continuously variable transmission
08/14/1990US4947971 Control system for a clutch for a motor vehicle
08/14/1990US4947968 Transmission mounted solenoid interlock device
08/14/1990US4947967 Locking apparatus for shift lever in automatic transmission
08/14/1990US4947953 Drive speed control system for a motor vehicle having a continuously variable transmission
08/14/1990US4947893 Variable force solenoid pressure regulator for electronic transmission controller
08/14/1990US4947734 Method of duty-ratio control for hydraulically actuated slip control lock-up clutch and transmission
08/14/1990US4947687 Drive system comprising a variable speed driving motor, an adjustable hydrostatic transmission and a gear-changing means
08/14/1990US4947681 System and method for facilitating correct gear meshing and clutch engagement in vehicles
08/09/1990WO1990008910A1 Hydraulic driving running apparatus
08/09/1990DE3903189A1 Method for controlling a hydrostatic transmission connected to a driving engine and the control system for carrying out the method
08/09/1990DE3903188A1 Control system for a hydrostatic transmission