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)
03/1991
03/21/1991WO1991003396A1 Hydrostatic power steering device, especially for motor vehicles
03/21/1991DE4028129A1 hydrostatic servo steering for vehicle - with control flow through aperture and main oil flow directly through proportioner
03/20/1991EP0417255A1 Improved four-way valve
03/20/1991CN1012053B Hydraulic device with adjustable pump
03/19/1991US5000278 Motorized power steering apparatus
03/14/1991DE4026163A1 Hydraulic circuit for power assisted steering - has auxiliary pump which runs at speed corresponding to vehicle speed
03/13/1991EP0416266A1 Electric power steering system
03/13/1991EP0416263A1 Method for the operation of a power assisted steering system and power assisted steering system
03/13/1991EP0415967A1 Control device for a power-assisted steering system.
03/07/1991DE3928376A1 Hydraulic servo steering device for vehicle
03/05/1991US4996905 Rack and pinion steering system
02/1991
02/28/1991DE3448167C2 Hydraulic servo steering with one piston - has one sided piston rod and two setting control valve
02/27/1991EP0414213A2 Hydraulic power steering apparatus for industrial vehicle
02/27/1991EP0168383B2 Hydraulic servo-steering for motor vehicles
02/26/1991CA1280668C Control device for hydrostatic steering means or the like
02/20/1991EP0413425A1 A vehicle power assisted steering system
02/19/1991CA1280375C Motor-driven power steering system for vehicles
02/13/1991EP0412791A2 Monitoring and predicting road vehicle/road surface conditions
02/13/1991EP0412637A1 A vehicle steering system
02/13/1991EP0412636A1 A vehicle steering system
02/12/1991US4992944 Electrically-operated
02/12/1991US4991676 Motorized power steering apparatus
02/07/1991WO1991001239A1 Wheel position correcting device for fully hydraulic steering system
02/06/1991EP0411600A1 Power steering apparatus
02/06/1991EP0346352B1 Hydraulic device with regulable pump
02/05/1991US4989683 Motorized power steering apparatus
02/05/1991US4989682 Control device of electric power steering system for motor vehicle
01/1991
01/31/1991DE3924324A1 Steering gear for motor vehicle with two inputs - introducing rotary movement by steering wheel to give axial movement and axial movement independent of steering wheel turn
01/30/1991EP0410942A1 A hydraulic steering system with two pistons and dual calibration, particularly for commercial vehicles
01/30/1991EP0410583A1 Noncontacting position detecting apparatus for an automotive steering gear
01/29/1991US4987964 Electric power steering system
01/29/1991US4987963 Steering gear for the roadwheels of a vehicle
01/29/1991US4987788 Electric motor-driven positioning element
01/29/1991CA1279714C Steering control system
01/24/1991WO1991000818A1 Servo-steering system and process for increasing its safety
01/22/1991US4986382 Fluid-pressure
01/22/1991US4986381 Unitized electric power steering apparatus
01/22/1991US4986380 Vehicle
01/22/1991US4986379 Vehicle
01/22/1991CA1279268C Power steering system for motor vehicles
01/17/1991DE4020238A1 Servolenkung und verfahren zur erhoehung der sicherheit einer servolenkung Power steering and method for increasing the security of a power steering
01/16/1991EP0407768A1 Full hydraulic power steering apparatus
01/15/1991US4984647 Electric power steering apparatus
01/15/1991US4984646 Steering system for motor vehicle
01/14/1991CA2009914A1 Auxiliary power steering system
01/09/1991EP0406261A1 Steerable wheel axle for a motor vehicle.
01/08/1991US4982803 Modulator and power-assisted steering circuit comprising such a modulator
01/02/1991EP0404946A1 Hydraulic circuit device of construction vehicle
01/01/1991US4981189 Power assisted vehicle steering system and gear and power assistance means for such a gear
12/1990
12/27/1990EP0404422A2 Method and apparatus for steering a vehicle
12/19/1990EP0403234A2 Servo mechanisms for rotary shafts
12/18/1990US4979114 Motor control apparatus for electric power steering system
12/13/1990WO1990015304A1 Steering wheel operation state detector of vehicle
12/11/1990US4977507 For detecting an overload on an electric motor
12/05/1990EP0401061A1 Modulator and servo steering circuit with such a modulator
12/05/1990EP0400684A2 Apparatus for detecting the steering angle of rear wheels of a vehicle
12/05/1990EP0400033A1 Suspension of a steerable wheel axle of a tractor.
11/1990
11/29/1990WO1990014261A1 Power steering device
11/28/1990EP0399405A1 Motor-driven type front and rear wheel steering apparatus
11/27/1990US4972916 Vehicle steering system
11/27/1990US4972915 Hydraulic steering apparatus
11/27/1990US4972914 Automatic road wheel steering system
11/22/1990EP0398238A1 Motor-driven power steering apparatus
11/22/1990EP0397692A1 Hydrostatic servo-assisted steering system, in particular for motor vehicles.
11/20/1990US4972320 Motor-driven power steering apparatus
11/20/1990US4972133 Fail-safe means for electrical power steering
11/20/1990US4970943 Power steering cylinder with built in continuously variable steering angle limiter
11/15/1990WO1990013466A1 Load responsive flow amplified control system
11/15/1990WO1990013465A1 Servo steering device with an electric motor
11/14/1990EP0396895A1 Rack and pinion steering system
11/13/1990CA1276074C Transducer coupling
11/07/1990EP0395892A1 Radial rolling bearing
11/06/1990US4967859 Vehicle with front and rear wheel steering and a steering system which includes skid simulation and control
11/06/1990US4967858 Power steering apparatus with unitary torque sensor and worm driving housing
11/01/1990WO1990012725A1 Steering wheel position compensator of fully hydraulic steering system
10/1990
10/31/1990EP0395310A1 Motor driven power steering apparatus
10/31/1990EP0394820A2 High-back pressure steering device
10/31/1990DE4012935A1 Twin-circuit power-assisted steering gear - has pressure-relief valve opening to cut in emergency circuit also
10/31/1990DE4012934A1 Automobile servo steering device - has 2 separate signal paths for steering signals provided by steering sensors
10/31/1990DE4012880A1 Power assisted steering arrangement for motor vehicle - has control ascertaining assisted steering angle from working neutral position value
10/30/1990US4966192 Rotary directional control valve
10/30/1990US4966066 Load sensing system with increasing priority in series of control valves
10/30/1990US4966041 Displacement detection device
10/27/1990WO1990012724A1 Vehicle steering systems
10/27/1990WO1990012723A1 Vehicle steering systems
10/27/1990CA2051632A1 Vehicle steering systems
10/27/1990CA2051622A1 Vehicle steering systems
10/23/1990US4964983 Reservoir
10/18/1990WO1990011921A1 Power-assisted rack steering unit for motor vehicles, in particular heavy vehicles
10/16/1990CA1275259C Power steering system incorporating electric motor
10/11/1990DE4011469A1 Pneumatic servo steering for vehicles - has proportional valve inside piston with sensor for load on push bars and a distributor slide
10/11/1990DE4011031A1 Rack and pinion steering for heavy vehicles - has two hydraulic circuits, first formed by rack-end pistons in housing cylinders and second by pistons on housing end plates in cylinders
10/10/1990EP0391773A1 System for driving a shaft in rotation with two gear ratios, especially for a steering column of a motor vehicle
10/04/1990WO1990011217A1 Electro-hydraulic steering assister for motor vehicles
10/03/1990EP0390688A1 Servo control device for the rotation of two shafts separated by a torsion element particularly for the steering column of a vehicle
10/02/1990US4961144 Self-check method of four-wheel steering drive system
10/02/1990US4961033 Current limiter for an electrical actuator
10/02/1990US4960178 Motor-driven power steering apparatus
10/02/1990CA1274780A1 Fully metered compensating steering system
09/1990
09/27/1990DE4008635A1 Servo steering for vehicle - has recirculating ball race with return track in plug inert in side of servo piston
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