Patents for F16D 48 - External control of clutches (10,172)
08/1994
08/16/1994US5337871 Calibration method for transmission control clutches
08/16/1994US5337868 Touch point identification for automatic clutch controller
08/16/1994US5337866 Device for monitoring a friction clutch
08/16/1994US5337564 Force or pressure augmenting device
08/10/1994EP0609390A1 Automatic clutch control method and associated automatic transmission device.
08/09/1994US5337239 Automatic transmission control system
08/09/1994US5335764 Positively engaging clutch
08/09/1994US5335746 Electromagnetic clutch driven steerable axle
08/04/1994WO1994016916A1 Device for actuating the friction clutch in motor vehicles
08/04/1994DE4302846A1 Automated actuator for starter or switch coupling
08/02/1994US5335174 Correcting method for data used for control operation of vehicular clutch
07/1994
07/26/1994US5332074 Incipient clutch control system
07/26/1994US5332059 Control system for a differential of a motor vehicle
07/21/1994WO1994015808A1 A clutch control system
07/21/1994DE4327881C1 Clutch control for hybrid transmission vehicle
07/19/1994US5330039 Clutch with torque measuring device
07/07/1994DE4318933C1 Detachable power-assistance system for steering gear
06/1994
06/29/1994EP0604085A1 Hand brake arrangement for a four wheel drive vehicle
06/28/1994US5323870 Adjustable viscous shear coupling for an all-wheel drive vehicle and a process for its control
06/23/1994DE4308128C1 Travel path inclination evaluation system for vehicle
06/21/1994US5323320 Stability test for slip operation of torque converter clutch
06/21/1994US5322150 Arrangement for controlling the slip of an automatic friction clutch
06/16/1994DE4341729A1 Automobile with semi-automatic transmission - has switches associated with gear selection lever supplying signals to clutch operation control device
06/16/1994DE4318949C1 Electrical machine with motor and generator functions for vehicle hybrid drive - has rotor on outside of stator and integrated switched coupling on inside of stator
06/15/1994EP0601728A1 Clutch mode control logic
06/14/1994US5320203 Damper for hydraulic clutch actuator
06/09/1994DE4241171A1 Clutch control via electromagnetic valves and pressure controller in automatic gearbox - involves gradual restoration of clutch pressure when transmission is resumed after period of anti-creep torque redn.
06/01/1994EP0599708A1 Device for controlling the clutch disengagement on stopping of an automatic transmission
06/01/1994EP0356527B1 Clutch switching circuit of nonstage transmission
05/1994
05/26/1994DE4239233A1 Hydraulic-fluid-actuated friction clutch with axially movable members - has single cylinder with piston between two pressure chambers, one having moving wall under pressure of spring
05/25/1994EP0598121A1 Power cutoff device in automobile
05/24/1994US5314378 Rear differential gear lock controller with automatic unlock control means
05/24/1994US5314050 Clutch mode control logic
05/19/1994DE4238991C1 Infinitely variable ratio transmission - is for agricultural or contractor's machinery and includes adjustable cone belt drive and friction clutch
05/19/1994DE4237983A1 Automatic operating control for vehicle clutch with emergency driving mode - detecting failure of revs. sensor or accelerator pedal position sensor to switch to emergency driving mode
05/17/1994US5311974 Valve arrangement for a hydraulic transmission circuit
05/04/1994EP0595712A1 Method for protection against sudden start-up of a motor vehicle
05/04/1994CN1086177A Closed loop launch and creep control for automatic clutch with robust algorithm
05/03/1994US5307914 Method and means for controlling torque amplifier
04/1994
04/28/1994DE4334210A1 Computerised control of motor vehicle drive assembly - allows engine-to-flywheel transmission clutch to be re-engaged in circumstances not incurring waste of fuel
04/26/1994US5307269 Method for correcting clutch control data in accordance with disk temperature
04/26/1994US5306216 Variable weight-load generator
04/20/1994EP0592990A1 Driving-wheel torque control system for automotive vehicles
04/20/1994EP0444098B1 Process for controlling a clutch
04/19/1994US5303807 Electrohydraulic device for controlling the engagement of the clutch in motor vehicles and the like
04/19/1994US5303797 Torque distribution control device for four-wheel drive vehicle
04/19/1994US5303794 Wheel spin control using electronically controlled clutches and engine controls
04/14/1994WO1994008158A1 Inching device
04/14/1994DE4217138A1 Digital position controller for road vehicle throttles - has PID control actions summed with integral action limited and proportional plus derivative wide ranging
04/13/1994EP0591244A1 A clutch control system.
04/12/1994US5301783 Dual pressure accumulator
04/12/1994US5301781 Clutch for vehicles
04/12/1994US5301769 Vehicle power distribution and control system
04/07/1994DE4333961A1 System for limiting drive wheel viscous-coupling type differential for motor vehicle - includes pair of right- and left-drive wheels and pair of right-and left-driven wheels and system for limiting differential between driven wheels.
04/06/1994EP0591064A1 Electro hydraulic actuator
04/06/1994EP0590808A1 Fluid clutch device
03/1994
03/31/1994DE4231998A1 Pressure regulating valve with proportional solenoid - has spool with displacement provided by proportional solenoid operating a small valve to vary pressure applied to end of valve spool
03/30/1994EP0589497A1 Fluid operated friction device
03/30/1994EP0588826A1 Process for automatically controlling a motor vehicle speed-varying starting device.
03/29/1994US5297646 Control system for optimizing operation of vehicle performance/safety enhancing systems such as 4WS, 4WD active suspensions, and the like
03/29/1994CA2105147A1 Fluid clutch device
03/24/1994DE4332218A1 Torque distribution controller for four-wheel-drive vehicle - calculates different torques as functions of higher and lower gain in inverse proportion to transverse acceleration for starting and running
03/24/1994DE4332217A1 Torque distribution controller for four-wheel-drive vehicle - includes hydraulic clutch engaged for transmission of additional torque when required to normally-idling front wheels
03/17/1994WO1994005522A1 A clutch control system
03/15/1994US5295038 Electromagnetic clutch
03/10/1994DE4326862A1 Electronic clutch management system
03/10/1994DE4229996A1 System for saving fuel during long descent of vehicle - uses automatic interruption of connection between engine and transmission
03/09/1994EP0585817A1 Control system for automotive clutch
03/09/1994EP0470950B1 Device for electrohydraulic actuator of a clutch which locks the transfer differential of a vehicle
03/08/1994US5293316 Closed loop launch and creep control for automatic clutch
03/03/1994DE4229024A1 Automatic control for motor vehicle friction clutch - monitors vehicle speed and direction and provides engine braking without stalling
03/02/1994EP0584457A1 Method and device for a regulated engagement and disengagement of a clutch in the transmission of a vehicle
03/02/1994CN1082998A Touch point identification for automatic clutch controller
03/01/1994CA1327327C Friction clutch system
02/1994
02/22/1994US5289131 Circuit configuration for monitoring an electromagnetically actuated device, in particular an electromagnetic clutch
02/22/1994US5287941 Drive wheel torque controlling system for vehicle
02/10/1994DE4226113A1 Electrical adjustment unit for internal equipment of car - has motor with drive shaft at each end plus electromagnetic clutches between them and adjuster shafts
02/03/1994DE4324415A1 Electronic management system for automobile clutch - Has microcontroller actuating clutch with monitor for override function should a fault develop in microcontroller
02/02/1994EP0581014A1 A device for transmitting torque between two rotatable shafts
02/01/1994US5283738 Process and device for controlling a clutch
02/01/1994CA2004185C Clutch pressure control device for continuously variable transmission
01/1994
01/11/1994US5277286 Method of controlling automatic clutch for motor vehicles
01/05/1994EP0577482A1 Electrohydraulic actuator especially for controlling a motor vehicle clutch
01/05/1994EP0577256A1 On demand vehicle drive system
01/05/1994EP0577174A1 Transmission apparatus
01/05/1994EP0480973B1 Electrohydraulic device for controlling the engagement of the clutch in motor vehicles and the like
01/05/1994DE4221990A1 Pressure-operated friction clutch engaged by expanding hollow ring element - uses two-two way control valve for fine sensitive control and engagement by controlling pressures in work pressure pipes
01/04/1994US5275267 Closed loop launch and creep control for automatic clutch with robust algorithm
01/04/1994CA1325837C Method and apparatus for controlling line pressure of continuously variable transmission system
01/04/1994CA1325836C Method of controlling clutch of continuously variable transmission system
12/1993
12/28/1993US5273143 Arrangement for operating a friction clutch of a motor vehicle, in particular of a truck
12/23/1993WO1993025825A1 Power cutoff device in automobile
12/23/1993DE4220057A1 Appts for power transmission between fixed and mobile units - incorporates magnetised discs at ends of respective shafts of fixed motor and mobile generator for battery-charging with microprocessor control
12/22/1993EP0575152A1 Left/right drive torque adjusting apparatus for vehicle and left/right drive torque adjusting method for vehicle
12/07/1993US5267635 Clutch actuator system
11/1993
11/30/1993US5265705 Method of preventing wheel loader from slipping
11/24/1993EP0571137A1 Fluid pressure control device for an automatic transmission in a vehicle
11/23/1993US5265020 Torque distribution control apparatus for four wheel drive
11/18/1993EP0569726A1 Method for shifting a utility vehicle power-take-off shaft by means of a mechanical clutch
11/09/1993US5259489 Oil pressure control for automatic transmissions
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