Patents
Sitemap › B62 - Land vehicles for travelling otherwise than on rails › B62D - Motor vehicles; Trailers › B62D 5 - Power-assisted or power-driven steering
Patents for B62D 5 - Power-assisted or power-driven steering (23,389)
08/1991
08/21/1991EP0442148A1 Steering for a pivoted turntable
08/20/1991US5040951 Oil pump
08/20/1991US5040631 Rack and pinion auxiliary steering mechanism, especially for motor vehicles
08/20/1991US5040630 Power steering system of motor drive type
08/20/1991US5040629 Motor-driven power steering apparatus
08/14/1991EP0440665A1 Rotary gate valve, in particular for servo-assisted steering systems in motor vehicles.
08/14/1991EP0440638A1 Servo-assisted steering system for motor vehicles.
08/14/1991EP0440614A1 Control device for two hydraulic regulating devices each supplied through a flow path by a high-pressure pump.
08/13/1991US5039926 Motorized power steering apparatus
08/13/1991US5038822 Flow rate control valving apparatus
08/08/1991DE4103067A1 Vehicle steering control system - has correction for slew for optimised handling
08/08/1991DE4102595A1 Motor vehicle steering system control arrangement - controls wheels according to vehicle state, e.g. yaw angle, for increased directional stability, e.g. during cornering
08/08/1991DE4003047A1 Power assisted steering system - has servo-piston mounted on retaining ring with radial gap
08/07/1991EP0440271A2 Rack and pinion hydraulic servosteering
08/07/1991EP0439538A1 Hydraulic servo-assisted steering system
08/07/1991EP0417255A4 Improved four-way valve
08/06/1991CA1287364C Reversing switch assembly for an electric assist steering system
07/1991
07/31/1991EP0439370A1 Vehicle
07/31/1991EP0438933A2 Relief valve for hydraulic fluid
07/31/1991EP0438438A1 Device for steering the rear wheels of vehicles with steerable front and rear wheels.
07/31/1991EP0438435A1 A hydraulic steering system.
07/31/1991CN2081913U Multi-filtering and double-rotating type oil tank steered with car power
07/24/1991EP0388440B1 Hydraulic power-assisted steering
07/23/1991US5033566 Device for steering the rear wheels of a vehicle with four wheel steering
07/23/1991US5033565 Motor-driven power steering apparatus
07/16/1991US5032999 Motion sensor useful for power assisted steering systems
07/16/1991US5031714 Steering gear ratio changing apparatus
07/09/1991US5029659 Torque detecting apparatus
07/09/1991US5029466 System for detecting abnormality of steering angle sensor
07/03/1991EP0363357B1 Torque sensor, in particular for electric steering mechanisms
07/02/1991US5028851 Vehicle steering system
07/02/1991US5027917 Power-steering system
07/02/1991US5027916 Hydraulic auxiliary-force control of steering
07/02/1991US5027915 Electric power steering system
06/1991
06/27/1991DE3942096A1 Car hydraulic steering servo
06/26/1991EP0433569A1 Hydraulic power-assisted steering for motor vehicles
06/26/1991EP0433347A1 Power-assisted steering, in particular for motor vehicles.
06/25/1991US5027276 Electric power steering device having a fail-safe relay
06/25/1991US5026263 Rotary vane pump with valve to control vane biassing
06/20/1991DE4038451A1 Hydraulic cylinder for power-assisted steering - has by=pass duct formed by groove in cylinder wall
06/19/1991EP0432519A1 An adjustable gauge steering axle
06/13/1991WO1991008123A1 Twin-axle vehicle
06/13/1991WO1991008122A1 Twin-axle vehicle
06/12/1991EP0431181A1 Steering wheel operation state detector of vehicle
06/12/1991EP0430954A1 Device for producing a preferably controllable axial counterforce on a rotating shaft which can be displaced axially by an axial force.
06/11/1991US5022482 Hydraulic steering system for electrically driven motor vehicles
06/11/1991US5022481 Emergency power steering backup apparatus and method
06/11/1991US5022480 Steering safety mechanism
06/05/1991EP0430417A2 A power assisted vehicle steering system
06/05/1991EP0429466A1 Friction clutch.
06/05/1991CN1012723B Control device for pressure medium
06/04/1991US5021721 Electric power steering system for a motor vehicle
06/04/1991US5020618 Full hydraulic power steering apparatus
06/04/1991US5020617 Method and apparatus for checking torque sensor in electric power steering system for vehicle
06/04/1991US5020616 Power steering apparatus
05/1991
05/30/1991WO1991007304A1 Cylinder-piston unit
05/30/1991WO1991007303A1 Hydrostatic assisted steering system
05/28/1991US5018432 Hydrostatic steering device with a radially free floating valve member
05/23/1991DE4036589A1 Zylinder-kolben-einheit Cylinder-piston unit
05/23/1991DE4021089A1 Hydraulic servo steering system for fork lift truck - calculates required feed rate for hydraulic fluid to adjust variable displacement pump
05/22/1991EP0427791A1 Load responsive flow amplified control system.
05/21/1991US5016740 Torque responsive engaging clutch
05/21/1991US5016723 Hydraulic power steering apparatus
05/21/1991US5016672 Steering controller with integral parallel control
05/16/1991WO1991006462A1 Power steering system for vehicles
05/16/1991DE4035288A1 Hydrostatic power assisted vehicle steering - has internal passageways in valve housing which reduce oil leakages
05/15/1991EP0427029A1 Power steering for motor vehicles
05/14/1991US5014596 Remote control modification for manually controlled hydraulic systems
05/08/1991EP0425594A1 Electro-hydraulic steering assister for motor vehicles
05/07/1991US5012881 Vehicle steering system with flow dividing valve
05/02/1991WO1991005692A1 Electric motor servo-steering system
05/02/1991EP0425329A1 Hydraulic cylinder with variable compressive force and power steering device for an automotive vehicle equipped with such a cylinder
05/01/1991CN2076060U Powered steering device
04/1991
04/30/1991US5010970 Power-assisted steering system
04/24/1991EP0424202A1 Centering system more particularly for vehicles power steering
04/24/1991EP0423737A1 Power steering apparatus with electric motor
04/23/1991US5009110 Torque sensor, in particular for electric steering mechanism
04/23/1991US5009066 Automotive power steering system
04/23/1991CA1283367C Automatic road wheel steering system
04/18/1991DE3933770A1 Vehicular electric power assisted steering with planetary gear - incorporates servomotor geared to steering column via clutch mechanism with free-wheel action inhibited at parking spees
04/18/1991DE3933769A1 Vehicular electric power assisted steering with redn. gear - incorporates servomotor brush position control actuated by axial displacement of sleeve across sections of steering column
04/16/1991US5008823 Method and apparatus for determining failure of vehicle steering sensing device
04/16/1991US5007507 Method of, and a device for, controlling the rotation of an element about an axis of means of a wrap spring
04/11/1991DE4029156A1 Hydraulic servo steering system - has double action piston and with throttle valves in return direction
04/11/1991DE3933551A1 Hydraulic circuit with hydraulic accumulator - incorporates valve which can be held open when required
04/10/1991EP0421766A1 Motorized power steering apparatus
04/10/1991EP0420881A1 All-wheel steering system for motor vehicles.
04/09/1991US5005659 Power assisted steering for vehicles
04/09/1991CA1282710C Motor-driven power steering system and method of controlling same
04/04/1991DE4027877A1 Power assisted car steering drive - has coaxial locking member for coupling valve elements, drive input shaft, and drive pinion
04/04/1991DE3931689A1 Power amplifier - uses coupling between parts that uses centrifugal force to provide improved operation
04/03/1991EP0420131A1 Rear wheel steering device for a vehicle
04/03/1991EP0419924A1 Power steering for vehicles
04/02/1991US5004063 Steering system for the rear wheels of a vehicle
03/1991
03/27/1991EP0418763A1 Power steering apparatus
03/26/1991US5002404 Radial rolling bearings
03/26/1991US5002142 Vehicle steering system
03/26/1991US5002117 Motor vehicle power steering cooler arrangement
03/26/1991CA1282144C Electric power steering system for vehicles
03/26/1991CA1281972C Center take-off electric rack and pinion steering gear
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