| Patents for B62D 5 - Power-assisted or power-driven steering (23,389) |
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| 10/19/1993 | US5253728 Steering control method for a motor vehicle with a differential |
| 10/19/1993 | US5253726 Steering assembly for utility vehicles |
| 10/19/1993 | US5253725 Power steering apparatus |
| 10/14/1993 | WO1993019971A1 Rotary slide valve for power-assisted steering of motor vehicles |
| 10/14/1993 | DE4212184A1 Hydraulic control unit for double acting working cylinder esp. in vehicle steering unit - controls both working volumes by one 4/3-way valve with hydraulic shut off valve connected between each working vol. and 4/3-way valve |
| 10/12/1993 | US5251717 Hydraulic rack and pinion steering assembly |
| 10/12/1993 | US5251716 Two-loop steering system for motor vehicles |
| 10/12/1993 | US5251715 Auxiliary power steering mechanism |
| 10/12/1993 | US5251671 Pressure control valve assembly with feature of easy adjustment of set load |
| 10/12/1993 | US5251669 Rotary |
| 10/07/1993 | DE4310396A1 Drehschieberventil für Hilfskraftlenkungen von Kraftfahrzeugen Rotary valve for power steering systems of motor vehicles |
| 10/05/1993 | US5251135 Vehicle steering control system |
| 10/05/1993 | US5249639 Steering control arrangement |
| 10/05/1993 | US5249638 Motor assisted steering apparatus for vehicle |
| 10/05/1993 | US5249637 Internal combustion engine; electric propulsion motor |
| 10/05/1993 | US5249503 Variable ratio reaction valve |
| 10/05/1993 | US5249420 Control valve for bootstrap hydraulic systems |
| 09/30/1993 | DE4308116A1 Switch esp. for motor vehicle steering shaft |
| 09/30/1993 | DE4209839A1 Flow control valve for vehicle steering system - has control edge with positively and negatively chamfered areas to reduce noise emission. |
| 09/30/1993 | DE4209647A1 Rotary slide valve for servo steering system - has slide and bush with control openings, located in common contact surface, which is at right angles to longitudinal axis of valve |
| 09/29/1993 | EP0562426A1 Power steering apparatus |
| 09/29/1993 | EP0562122A1 Hydraulic driving device for steering wheel of dump truck |
| 09/22/1993 | EP0561401A1 Hydraulic power steering system with input detection capability |
| 09/21/1993 | US5247441 Vehicle steering control system |
| 09/16/1993 | DE4208004A1 Electrohydraulic power-assisted steering for motor vehicles - has purely mechanical valve arrangement integrated into reversible pump contg. radial pistons and eccentric sliding bearing ring |
| 09/16/1993 | DE4207719A1 Power-assisted steering gear e.g. for high-speed motor vehicles - uses redundant sensors of steering angle in control of hydraulic proportional valves and provision of reaction torque on steering column |
| 09/16/1993 | DE4207668A1 Vehicle hydraulic servo-assisted steering with steering torque sensor - has distribution of fluid to servo-valve chambers adjusted in accordance with torque-dependent displacement of sleeve around torsion bar |
| 09/14/1993 | US5244052 Steering control unit for multiple steerable axles |
| 09/14/1993 | US5244012 Hydraulic pressure control valve |
| 09/09/1993 | DE4303204A1 Hydraulically working servo linkage with pressure limiting valve - limits pump pressure and power when servo motor blockaded until pressure medium feed to damaged work chamber is interrupted |
| 09/07/1993 | US5241893 Reaction system for a rotary hydraulic distributor |
| 09/02/1993 | WO1993017245A1 Control valves having parasitic leakage orifices |
| 09/01/1993 | EP0557763A2 Road milling machine |
| 08/25/1993 | EP0556870A1 Power steering apparatus |
| 08/25/1993 | EP0556869A1 Power steering apparatus |
| 08/24/1993 | US5239490 Device for detecting rotation of rotary shaft and rotation controlling apparatus using the same |
| 08/24/1993 | US5238079 Steering system for vehicles |
| 08/24/1993 | US5238076 Electric power steering for parking |
| 08/19/1993 | WO1993015947A1 Power-assisted rack and pinion steering gear, especially for motor vehicles |
| 08/19/1993 | DE4204336A1 Hydrostatic steering unit for slow heavy motor vehicles - has short circuit grooves in control piston, associated with rows of bores in control sleeve |
| 08/18/1993 | EP0555987A2 Optical torque sensors and steering systems for vehicles incorporating them |
| 08/18/1993 | EP0555857A2 Rear wheel steering |
| 08/18/1993 | EP0427791A4 Load responsive flow amplified control system |
| 08/17/1993 | US5236335 Front-wheel steering system |
| 08/17/1993 | US5236056 Method for assisting the steering forces to be produced in a vehicle |
| 08/12/1993 | DE4203335A1 Zahnstangen-hilfskraftlenkung, insbesondere fuer kraftfahrzeuge Rack and pinion power-assisted steering, especially for motor vehicles |
| 08/11/1993 | EP0554703A1 Electric power steering apparatus |
| 08/11/1993 | EP0504166B1 Twin-axle vehicle |
| 08/10/1993 | US5234070 Automatic vehicle steering apparatus |
| 08/10/1993 | US5234068 Electric power steering system |
| 08/10/1993 | US5233906 Mechanical centering mechanism for rotary valve power steering system |
| 08/05/1993 | WO1993015330A1 Parasitic leakage slots in power steering valve |
| 08/05/1993 | WO1993014966A1 Power-assisted steering device for motor vehicles |
| 08/05/1993 | DE4302544A1 Rear-wheel steering control system with stepper motor - returns rear wheels to neutral position by opening valve in hydraulic system on detection of fault |
| 08/04/1993 | EP0553978A2 Method and apparatus for correcting the zero pressure value of a hydraulic power steering pressure sensor |
| 08/03/1993 | CA1320980C Hydraulic steering systems dampening devices |
| 07/29/1993 | DE4202116A1 Hilfskraftlenkeinrichtung fuer kraftfahrzeuge Power steering device for motor vehicles |
| 07/29/1993 | DE4201730A1 Servo-assisted rack and pinion steering for vehicle - has integral, pressure moulded steel housing for steering mechanism and servo-piston. |
| 07/27/1993 | US5230399 Four-wheel steering system for vehicles |
| 07/27/1993 | US5230397 Discontinuous power assistance mechanism for a steering column of a vehicle having steerable wheels |
| 07/27/1993 | US5230396 Steering control apparatus |
| 07/27/1993 | US5230273 Apparatus for controlling fluid flow to a power steering actuator |
| 07/22/1993 | WO1993013971A1 Rotary valve for hydraulic power steering with reduced noise and linear boost characteristic |
| 07/22/1993 | CA2127451A1 Rotary valve for hydraulic power steering with reduced noise and linear boost characteristic |
| 07/21/1993 | EP0551623A1 Fluid controller having axial modulation |
| 07/21/1993 | EP0551619A2 Power steering mechanism |
| 07/21/1993 | EP0551479A1 Variable assist gain control apparatus for a servo-assist system |
| 07/20/1993 | CA2032454C Motor vehicle power steering cooler arrangement |
| 07/15/1993 | DE4300844A1 Control system for ride characteristics of motor vehicle - corrects estimated characteristic index in accordance with control signal dependent on ride, movement and route evaluations. |
| 07/15/1993 | DE4300366A1 Servo system regulator for robust control of motor vehicle rear wheel steering - has compensating filter stage that adjusts to block disturbance effects generated mechanically or electrically. |
| 07/13/1993 | US5227974 Rear wheel turning system for four-wheel steered vehicle |
| 07/13/1993 | US5226498 Automotive power steering gear |
| 07/13/1993 | US5226497 Carrier/excavator remote operating system |
| 07/13/1993 | US5226290 Bootstrap hydraulic systems |
| 07/08/1993 | WO1993013384A1 Steering angle detecting apparatus |
| 07/08/1993 | WO1993012965A1 Power-assisted steering for vehicles |
| 07/07/1993 | EP0400127B1 Assisted steering system for a vehicle |
| 07/06/1993 | US5225753 Electric control apparatus for four-wheel steering system |
| 07/06/1993 | US5224564 Hydrostatic power steering system |
| 07/01/1993 | DE4142992A1 Hilfskraftlenkung fuer fahrzeuge Power steering for vehicles |
| 06/30/1993 | EP0548854A1 Steering system for instantaneous steering ration control |
| 06/30/1993 | EP0548510A2 Hydraulic reaction variable assist power steering system |
| 06/24/1993 | DE4142580A1 Verfahren und vorrichtung zum betrieb einer elektromotorischen servolenkung Method and device for operating an electromotive power steering |
| 06/24/1993 | DE4142569A1 Automobile servomotor steering circuit - has transistor switch controlled by pulse width modulated signal and parallel relay exhibiting lower losses connected across transistor |
| 06/24/1993 | DE4142546A1 Hilfskraftlenkung fuer kraftfahrzeuge Power steering system for motor vehicles |
| 06/23/1993 | EP0547570A1 Servo-steering system for steering a vehicle |
| 06/23/1993 | EP0547376A2 Electrohydraulic actuator for operating the rear wheel steering system of a motor vehicle |
| 06/17/1993 | DE4141160A1 Servo steering mechanism for motor vehicle - has freewheel coupling acting as safety release between servo steering motor and input shaft of conversion gearing |
| 06/16/1993 | EP0547009A1 Hydraulic actuator, in particular for activating servocontrols and the like mechanisms |
| 06/16/1993 | EP0504232B1 Twin-axle vehicle |
| 06/16/1993 | EP0433347B1 Power-assisted steering, in particular for motor vehicles |
| 06/15/1993 | US5219035 Front and rear wheel steering system for motor vehicles |
| 06/15/1993 | US5218989 Flow control valve |
| 06/15/1993 | US5218769 Sensor for sensing angle of rotation and/or number of rotations effected, and a power steering system for a vehicle including such a sensor |
| 06/13/1993 | CA2085183A1 Hydraulic actuator, in particular for activating servocontrols and the like mechanisms |
| 06/09/1993 | EP0545462A2 Power steering-gear permitting separate mechanical and hydraulic balancing |
| 06/09/1993 | EP0545243A2 Hydraulic circuit for motor vehicle |
| 06/09/1993 | EP0545113A2 Fluid controller with integral auxiliary valving |
| 06/09/1993 | EP0545034A2 Motor driven power steering |
| 06/08/1993 | US5218279 Method and apparatus for detection of physical quantities, servomotor system utilizing the method and apparatus and power steering apparatus using the servomotor system |