Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16H - Gearing › F16H 61 - Control functions within change-speed- or reversing-gearings for conveying rotary motion
Patents for F16H 61 - Control functions within change-speed- or reversing-gearings for conveying rotary motion (47,420)
04/1989
04/11/1989US4819777 System for integrally controlling an engine and an automatic transmission having a device for determining engagement of the lockup clutch when a certain time duration elapses after output of an engagement signal
04/11/1989US4819690 Pressure control valve
04/11/1989US4819514 Pulley actuating hydraulic pressure control for continuously variable transmission
04/11/1989US4819513 Transmission ratio control system for a continuously variable transmission
04/11/1989US4819429 Hydraulical drive system
04/05/1989EP0310447A1 Method of speed reduction ratio control in continuously variable speed transmission
04/05/1989EP0310402A1 Pulley type continuously-variable speed-shifting device
04/05/1989EP0310387A2 Transmission control apparatus
04/05/1989EP0310277A2 Steady state slip detection/correction for a motor vehicle transmission
04/05/1989EP0310276A2 Output speed sensor diagnostic control for a motor vehicle transmission
04/05/1989EP0310275A2 Failure mode shift pattern alteration for an electronically controlled transmission
04/05/1989EP0310117A1 Lock-up control system for automatic transmission
04/05/1989EP0309967A2 Control systems for power trains provided in vehicles
04/05/1989EP0309779A1 Control of engine speed with automatic transmissions
04/05/1989EP0309591A1 Method and apparatus for controlling transmissions
04/04/1989US4819187 System for integrally controlling automatic transmission and engine
04/04/1989US4819163 Driving power control system
04/04/1989US4817776 Starting control apparatus for automatic transmission system
04/04/1989US4817770 Control system for independent control of fluid actuated devices
04/04/1989US4817766 Arrangements for damping shifting movements in transmissions
04/04/1989US4817474 Hydraulic pressure control apparatus for use in automatic transmission
04/04/1989US4817473 Hydraulic control valve system for an automatic multiple-speed transmission with a lockup torque converter and electronically operated lockup control
04/04/1989US4817472 Transmission control system with protection against excessively high speed downshifting
04/04/1989US4817471 Electrical control system for control of an automatic transmission apparatus
04/04/1989US4817470 Gear-shift mechanism for motor-vehicle multi-step transmissions with interruption of traction
04/04/1989US4817469 Automatic transmission for automobile and method of controlling same
04/04/1989US4817468 Electric shift apparatus for manual transmission
04/04/1989US4817467 Transmission with dual modulated shift controls
04/04/1989US4817451 Control mechanism for selective engagement of a free wheeling engagement mechanism
04/04/1989CA1252022A1 Clutch control system for a continuously variable transmission
04/04/1989CA1252021A1 Hydraulic control system for continuously variable transmission
04/04/1989CA1251951A1 Transmission control system
03/1989
03/29/1989EP0309222A2 yethod of controlling clutch operation for vehicle
03/29/1989EP0309108A2 Extended range splitter type compound transmission
03/29/1989EP0309070A2 Control system for vehicle transmissions
03/29/1989EP0308509A1 Hydraulic clutch pressure control apparatus
03/28/1989US4815341 Electronically controlled automatic transmission
03/28/1989US4815340 Device for controlling engine torque in vehicle
03/28/1989US4815289 Variable pressure control
03/28/1989CA1251713A1 Speed changing apparatus usable for a saddle-riding type car
03/22/1989EP0308261A2 Temperature responsive flow control valve apparatus
03/22/1989EP0307846A1 Device for locking shift lever of automatic transmission
03/22/1989EP0307511A1 Automatic transmission
03/21/1989US4813920 V belt with blocks
03/21/1989US4813307 Method of controlling hydraulic pressure for an automatic transmission gear system
03/21/1989US4813299 Automatic transmission
03/21/1989US4813235 Hydraulic gain reduction circuit
03/21/1989US4813234 Hydraulic transmission
03/16/1989DE3742236A1 Resilient centering of a hand shift lever of a shifting device of a gear-change transmission
03/15/1989EP0306558A1 Automatic transmission
03/15/1989EP0306475A1 Control system for a torque converter with a bridging connection.
03/15/1989CN1031752A Auxiliary transmission section shift control system
03/14/1989US4811827 Lock-up clutch control method in automatic transmissions for automotive vehicles
03/14/1989US4811630 Automatic shift device for an epicyclic change-speed gear having means for blocking the engagement of a reverse gear clutch and/or reverse gear brake
03/14/1989US4811616 System for combining driven modules with driving modules
03/09/1989WO1989002044A1 Stepless belt transmission
03/09/1989WO1989002043A1 Stepless belt transmission
03/09/1989DE3818945A1 Delivery-flow control device for hydrostatic transmissions
03/09/1989DE3729110A1 Hydraulic generator
03/09/1989DE3728986A1 Safety valve for hydraulic rotational drives
03/08/1989EP0306351A1 Drive train for a wheeled vehicle and method of controlling same
03/08/1989EP0306229A1 Cruise control system for a motor vehicle having a continuously variable transmission
03/08/1989EP0306216A1 A cruise control system for a motor vehicle having a continuously variable transmission
03/08/1989EP0305761A2 Secondarily controlled hydrostatic transmission with an open circuit
03/08/1989EP0305750A2 Auxiliary transmission section shift control system
03/08/1989EP0305595A1 Hydraulic control system for an automatic transmission
03/08/1989EP0305594A1 Hydraulic control system for an automatic transmission
03/08/1989EP0305390A1 Electric-hydraulic control for an automatic gearbox.
03/08/1989EP0255519B1 Control device for shifting step-by-step shift gears
03/08/1989CN1003500B Automatic engine / transmission control system
03/07/1989US4811225 Ratio control technique for continuously variable transmission
03/07/1989US4811224 Blocking circuit for transmission shifting responsive engine torque reducer
03/07/1989US4811223 System for controlling engine torque
03/07/1989US4810234 Continuously variable transmission
03/07/1989US4809587 Actuator with built-in pilot valve
03/07/1989US4809565 Hydraulic control system for automatic transmission
03/07/1989US4809564 Control system of a selector mechanism for a continuously variable transmission
03/07/1989US4809544 Universal method and apparatus for testing a valve body for an automatic transmission
03/07/1989CA1250796A1 Automatic transmission shift selector mechanism
03/02/1989DE3827091A1 Control device for the automatic shifting of multistage gearboxes
03/02/1989DE3727633A1 Cone pulley transmission with controlled quantity of pressure medium
03/01/1989EP0305156A2 Speed control system for a motor vehicle having a continuously variable transmission
02/1989
02/28/1989US4807497 System for integrally controlling automatic transmission and engine
02/28/1989US4807496 Control system for alleviating shock in automatic transmission
02/28/1989US4807495 Temperature-dependent infinitely variable ratio transmission control system and method
02/28/1989US4807489 Gear shift device
02/23/1989WO1989001421A1 Control device for automatically shifting gradual gear change boxes
02/23/1989DE3827248A1 Device for monitoring the switching state of a drive unit of a motor vehicle
02/23/1989DE3806151C1 Joint coupling for gearshift linkage, especially of commercial vehicles
02/22/1989EP0304228A1 Control system for a vehicle
02/22/1989EP0304089A2 Electronic engine control apparatus
02/22/1989EP0304085A2 Hydraulic control device for belt-and-pulley type continuously variable transmission for a vehicle
02/21/1989US4807135 Power supply control device for automotive electronic control system
02/21/1989US4807132 Apparatus for controlling an internal combustion engine for vehicles
02/21/1989US4807130 Servo control system for transmission shaft speed control
02/21/1989US4805751 System for controlling a clutch for a motor vehicle
02/21/1989US4805750 Steady state slip detection/correction for a motor vehicle transmission
02/21/1989US4805491 Pressure regulating throttle valve used with transmission
02/21/1989US4805490 Valve and closure assembly for an automatic transmission
02/21/1989US4805476 Transmission shift control assembly
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