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)
11/1989
11/08/1989EP0340896A2 Steering-gear with hybrid housing
11/02/1989WO1989010289A1 Control device for a power-assisted steering system
11/02/1989EP0340044A2 Electric power steering apparatus
11/02/1989EP0339612A2 Power steering system
11/02/1989EP0339611A2 Power steering system having simulated torque sensor
10/1989
10/31/1989US4878004 Motor-operated power steering apparatus
10/31/1989US4877098 Automatic road wheel steering system
10/31/1989US4876899 Torque sensing device
10/24/1989US4875541 Electric power steering system
10/24/1989US4875540 Electric power steering system
10/24/1989US4875539 Electric power steering control system
10/18/1989EP0337723A1 Hydraulic pressure control valve
10/18/1989EP0337645A1 Electric power steering device having a fail-safe relay
10/17/1989US4874053 Torque detecting apparatus
10/11/1989EP0336683A1 Electric power steering device having a clutch
10/11/1989EP0336682A2 Electric motor assisted power steering device
10/11/1989EP0336553A1 A vehicle power assisted steering system
10/11/1989CN1005401B Static pressure steering for vehicle
10/10/1989US4873475 Electrically powered power steering system for industrial vehicle or the like
10/10/1989US4872393 Steering gear with recirculation check valve
10/05/1989DE3909057A1 Progressiv gesteuerte hydraulische lenkeinrichtung, insbesondere fuer behindertenfahrzeuge Progressive controlled hydraulic steering device, in particular for disabled vehicles
10/03/1989US4871952 Motor speed control apparatus
10/03/1989US4871039 Power steering system incorporating electric motor
10/03/1989US4870853 Tool and method of coining corner breaks in a stator of a power steering valve
09/1989
09/27/1989EP0334723A1 Control device for a hydraulic double-acting actuator
09/27/1989EP0334691A1 Pivoting device for a steering wheel of an automotive vehicle
09/26/1989US4869334 Electric motor-driven power steering apparatus
09/26/1989US4869333 Motor-driven type power steering control device
09/26/1989CA1260844A1 Electric power steering system for vehicles
09/26/1989CA1259882A1 Electro/pneumatic proportional valve
09/21/1989WO1989008576A1 Steerable wheel axle for a motor vehicle
09/21/1989DE3907381A1 Steerable wheel axle for a motor vehicle
09/20/1989EP0333108A2 Steering system for motor vehicle
09/19/1989US4866936 Two-stage flow divider with pressure-relief valves in each stage to regulate flow in hydraulic system for working vehicles
09/19/1989CA1259568A1 Electro/pneumatic power steering system
09/13/1989EP0331752A1 Power steering apparatus
09/12/1989US4865150 Power assistance vehicle steering mechanisms
09/12/1989US4865148 Vehicle height control apparatus responsive to power steering operation
09/12/1989US4865147 Hydraulic fluid circuit for variable assist power steering system
09/12/1989US4865145 Power steering apparatus
09/12/1989US4865144 Power steering system having simulated torque sensor
09/12/1989US4865143 Torque detecting device
09/06/1989CN2043956U Equivalent steering strengthener
09/05/1989US4862986 Steering axle
09/05/1989US4862985 Variable assist power steering system with varying power assist with vehicle speed
09/05/1989US4862982 Torque detector for motor-driven power steering system
09/05/1989US4862690 Steering control unit with both flow amplification and manual steering capability
09/05/1989US4862571 Method of making a valve sleeve
08/1989
08/30/1989EP0329795A1 Power steering apparatus
08/29/1989US4862366 Motor-driven power steering system for a vehicle
08/29/1989US4860846 Vehicle speed responsive variable assist power steering system
08/29/1989US4860844 Power steering system
08/29/1989US4860635 Steering control valve for variable power assist steering system
08/29/1989CA1258809A1 Fluid operated system control
08/24/1989WO1989007545A1 Suspension of a steerable wheel axle of a tractor
08/24/1989DE3804192A1 Steering mechanism with a power-assist unit (servo unit) for vehicles
08/23/1989EP0290448B1 Steering valve for cars
08/22/1989US4858714 Hydrostatic steering device
08/22/1989US4858515 Priority valve for hydraulic installations
08/17/1989DE3902808A1 Hydraulic power steering system
08/15/1989US4856608 Power assisted vehicle steering mechanism
08/15/1989US4856277 Two-stage flow divider with constant orifice first stage in hydraulic system for working vehicles
08/10/1989WO1989007064A1 Hydraulic power-assisted steering
08/10/1989DE3900937A1 Power steering system with infinitely adjustable stops
08/09/1989EP0326562A1 Rotary gate valve for hydraulic servo-assisted steering systems.
08/09/1989CN1034512A Particularly suitable for motor vehicle control power-assisted by static pressure
08/08/1989US4855655 Electromagnetic servo drive for power steering
08/01/1989US4853672 Steering angle detector
08/01/1989US4853125 Fluid chamber having a tubular filter and a securing recess for mounting the same
08/01/1989US4852707 Reversible self-locking clutch
08/01/1989US4852462 Operating noise-free fluid flow distributor circuit for variable assist power steering system
07/1989
07/27/1989WO1989006618A1 Hydrostatic power-assisted steering system
07/27/1989DE3900935A1 Hydrostatic power steering device
07/26/1989EP0325148A2 Power steering system of motor drive type
07/25/1989US4850606 Steering gear
07/20/1989DE3800338A1 Hydraulic servo device
07/19/1989EP0323972A1 Rotary gate valve for hydraulic servo-assisted steering systems.
07/18/1989US4849889 Motor-driven power steering system for a vehicle
07/18/1989US4848500 Hydraulic reaction controlling apparatus for power steering system
07/18/1989US4848402 Rotary slide valve for hydraulic auxiliary power steerings
07/12/1989EP0323640A2 Method and apparatus for nullifying electrical offsets in a torsion sensor
07/11/1989US4846296 Hydraulic fluid pressure control system for use with power assist steering
07/05/1989EP0323066A2 Automotive system for dynamically determining road adhesion
07/05/1989EP0020563B2 Motor-valve apparatus for hydraulic fan drive system
07/04/1989US4844126 Rotary control valve for power assist steering system
07/04/1989US4844118 Rotary hydraulic distributor for a servo mechanism
07/04/1989CA1256910A1 Contoured shaft seal for high pressure applications
06/1989
06/28/1989EP0321756A2 Apparatus and method for readjusting pressure relief poppet valves
06/27/1989US4842090 Electrically power-assisted four-wheel steering system for vehicles
06/27/1989US4842088 Electric power steering system
06/27/1989US4842087 Motor driven type power steering control device
06/27/1989US4841790 Electro mechanical actuator
06/27/1989CA1256534A1 Control apparatus for power assist steering system
06/22/1989DE3742012A1 Motor vehicle
06/20/1989US4840389 Vehicle steer angle control system based on mathematical model
06/20/1989US4840197 Power steering valve
06/15/1989WO1989005256A1 Control device for two hydraulic regulating devices each supplied through a flow path by a high-pressure pump
06/15/1989DE3839786A1 Control device for two hydraulic adjustment devices which are supplied by means of a high pressure pump via one flow path each
06/13/1989US4838376 Power steering device for parking
06/13/1989US4838375 Steering system
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