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)
06/1989
06/13/1989US4838314 Secondary hydraulic steering system
06/13/1989US4838106 Power assistance means for a steering gear and a steering gear assembly which includes such means
06/08/1989DE3839784A1 Hydrostatic power steering device, in particular for motor vehicles
06/06/1989US4837692 Electric power steering system for vehicles
06/06/1989US4837690 Motor-driven power steering system for a vehicle
06/06/1989US4836319 Steering control apparatus for motor vehicles
06/06/1989US4836087 Hydraulic control apparatus for vehicle
06/06/1989US4835968 Hydraulic circuit in an industrial vehicle
06/06/1989CA1255236A1 Electrical power assisted steering system
06/01/1989WO1989004788A1 Hydrostatic servo-assisted steering system, in particular for motor vehicles
05/1989
05/30/1989US4834205 Apparatus for controlling steering of wheels of a vehicle
05/30/1989US4834203 Electric power steering system
05/30/1989US4834202 Motor-operated power steering apparatus of the rack-and-pinion type
05/30/1989US4834201 Electrical power steering apparatus
05/24/1989EP0317390A1 Steering mechanism having variable demultiplication controlled by vehicle speed
05/24/1989EP0317177A2 Road vehicle steering system
05/18/1989DE3837395A1 Hydrostatic power-steering system for vehicles
05/18/1989DE3737817A1 Steering device for a multi-axle vehicle
05/16/1989US4830137 Motor-driven type power assisted steering control apparatus
05/16/1989US4830131 Variable assist power steering system
05/16/1989US4830130 Power steering system
05/10/1989EP0314698A1 Servo-assisted steering system, specially for motor vehicles.
05/09/1989US4828068 Hydraulically power assisted steering gear with pressure relief stop
05/09/1989US4828066 Control apparatus for electrically driven power steering system for a fork lift truck
05/09/1989US4828065 Electronically controlled power steering system
05/09/1989US4828063 Mount for steering gear box
05/09/1989US4828062 Motor-operated power steering apparatus for vehicle with steerable front and rear wheels
05/09/1989US4828061 Closed-loop four wheel steering system having dual response rate rear steering
05/09/1989US4828060 Auxiliary drive circuit for an electric assist steering system
05/09/1989US4827978 Fluid controller with reduced steering wheel precession
05/03/1989EP0314637A2 A hydraulic operating system for tractors
05/02/1989US4825972 Steering system for vehicles
05/02/1989CA1253558A1 Electromagnetic servo unit
04/1989
04/25/1989US4823898 Mount for a steering gear box
04/25/1989US4823839 Rotary valve assembly and a method of assembling a rotary valve
04/18/1989CA1252922A1 Segmented tubular cushion springs and spring assembly
04/13/1989DE3743061C1 Steering boost for motor vehicles
04/12/1989EP0311524A1 Axle with mechanical springs and a hydraulic height adjusting device
04/12/1989EP0310729A1 Variable ratio steering mechanism
04/11/1989US4819757 Power steering for motor vehicles
04/11/1989US4819499 Rack and pinion steering gear
04/05/1989EP0310466A1 Device for proportional control using flow amplification
04/05/1989EP0309752A2 Vehicle with hydraulic steering and drive wheels driven by hydraulic motors
04/04/1989US4819170 Motor-driven power steering system for automotive vehicles
04/04/1989US4818200 Hydrostatic steering device having the control valve within the rotor
04/04/1989US4817748 Industrial vehicle equipped with electrically powered power steering system
03/1989
03/30/1989DE3731014A1 Mechanical-hydraulic power-assisted steering
03/29/1989EP0309293A2 Method for controlling the front wheel steer angle
03/28/1989US4815552 Rack and pinion gear
03/23/1989WO1989002387A1 Power steering apparatus
03/23/1989WO1989002386A1 Power steering apparatus
03/23/1989DE3729899A1 Hydraulic actuator
03/23/1989DE3729898A1 Hydraulic actuator
03/22/1989EP0308259A1 Electric power steering apparatus for vehicle
03/22/1989EP0307612A1 Power steering for vehicles
03/21/1989US4813294 Structure for preventing oil contamination for hydraulically operated power steering system
03/15/1989EP0307366A2 A device for converting a manually operated steering into a power steering
03/14/1989US4811813 Center take-off electric rack and pinion steering gear
03/14/1989US4811805 Rear-wheel steering apparatus
03/08/1989EP0305877A2 Apparatus for use in a power steering system
03/07/1989US4809806 Steering gear with hybrid housing
03/01/1989EP0304491A1 Motor-driven power steering system for a vehicle and a method for controlling same.
03/01/1989CN1003418B Segmented tubular cushion springs and spring assembly
02/1989
02/28/1989US4809173 Electrically driven power steering apparatus
02/23/1989WO1989001435A1 Special vehicle with movable steering mechanism and driver's cab capable of being lowered
02/23/1989DE3726160A1 Hydrostatische lenkeinrichtung A hydrostatic steering device
02/21/1989US4805714 Power steering system with hydraulic reaction
02/14/1989US4804057 Power-assisted steering gear
02/14/1989US4804016 Fluid controller with improved pressure balancing
02/14/1989US4803913 Hydraulic power steering valve with three-orifice reactive chamber pressure control
02/08/1989EP0302594A1 A power assisted steering system
02/07/1989US4803629 Power steering apparatus and control system for power steering apparatus having a steering wheel angle detection device
02/07/1989US4802546 Steering apparatus for a vehicle
02/07/1989US4802544 Electric power steering apparatus having motor braking function
02/07/1989US4802543 Electric power steering device
02/01/1989EP0301432A2 Reversing switch assembly for an electric assist steering system
01/1989
01/31/1989US4800975 Motor control unit for electrically operated power steering devices
01/31/1989US4800974 Electric steering gear
01/31/1989US4800764 Apparatus for sensing relative rotation between members
01/25/1989EP0300269A1 Steering control unit with flow amplification
01/25/1989EP0300233A1 Method and device for parking a vehicle
01/24/1989US4799566 Motor-operated power steering apparatus
01/24/1989US4799514 Rotary servovalve for power-assisted steering system
01/24/1989US4799303 Method of making a valve sleeve
01/18/1989EP0299250A2 Steering gear
01/18/1989EP0299173A2 Steering axle
01/18/1989EP0112910B1 Coupling for drive shaft and servo-motor driven shaft
01/17/1989US4798256 Hydrostatic auxiliary steering device
01/17/1989US4798253 Electric power steering apparatus
01/17/1989US4798050 Control system for hydraulic tandem pump in motor vehicle
01/12/1989WO1989000124A1 Rack and pinion servo-assisted steering system, in particular for motor vehicles
01/12/1989DE3821501A1 Power-assisted rack and pinion steering system, particularly for motor vehicles
01/10/1989US4796714 Power steering system for use in large vehicle
01/05/1989DE3820876A1 Hydrostatic steering system
01/04/1989EP0297277A2 Power assistance valve system
01/04/1989EP0227686B1 Steering unit, especially for narrow-track motor vehicles
01/03/1989US4794997 Road vehicle power assisted steering system
01/03/1989US4794883 Dual reservoir tank for propellant hydraulic fluid for internal combustion engine hydraulically driven cooling fan and for power steering actuating fluid
12/1988
12/29/1988WO1988010206A1 Hydrostatic steering device
12/28/1988CA1247339A Means for manufacturing components of rotary valves
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