| Patents for B62D 5 - Power-assisted or power-driven steering (23,389) |
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| 07/21/1994 | WO1994015825A1 Centring device, especially for steering valves |
| 07/21/1994 | DE4301012A1 Control circuit for hydraulic steering for vehicle |
| 07/19/1994 | US5330024 Steering force control apparatus for power steering system |
| 07/19/1994 | US5330023 Vehicle steering system with a steering output sensor |
| 07/19/1994 | US5330021 Power steering system for vehicles |
| 07/19/1994 | US5329969 Fluid controller with joystick capability and actuator therefor |
| 07/19/1994 | US5329766 Hydraulic power steering system with input detection capability |
| 07/14/1994 | DE4400684A1 Blade-type pump with control device for discharge volume |
| 07/12/1994 | US5327986 Electric motor drive-type power steering system |
| 07/12/1994 | US5327936 Spool valve with self-centering mechanism |
| 07/07/1994 | DE4318933C1 Detachable power-assistance system for steering gear |
| 06/30/1994 | DE4244203A1 Electro-motor servo steering device for automobile |
| 06/30/1994 | DE4243785A1 Compact control valve for hydraulic servo system |
| 06/29/1994 | EP0603356A1 Advanced rotary hydraulic valve |
| 06/28/1994 | US5323866 Power steering system |
| 06/23/1994 | WO1994013523A1 Steering system for vehicles or ships |
| 06/23/1994 | DE4243267A1 Steering drive for steering motor vehicles with first and second inputs |
| 06/23/1994 | DE4243014A1 Electric servomechanism for rotary movements with permanent magnets |
| 06/23/1994 | DE4242663A1 Hydraulic auxiliary power steering for motor vehicles |
| 06/21/1994 | US5322142 Hydraulic auxiliary power steering |
| 06/16/1994 | DE4242213A1 Seal for sealing cylinder and rod or shaft inside it - has first sealing on rod side, and second sealing surface on inside of cylinder |
| 06/16/1994 | DE4241558A1 Servo steering for motor vehicle - with working pressure differential which attempts to move control piston in direction to lower differential |
| 06/14/1994 | US5320191 Steering circuit system for a moving vehicle |
| 06/09/1994 | DE4240619A1 Centering aid for steering servo valve - has centering groove in end face of valve sleeve and with spring loaded centering plug in plate rotating with steering column |
| 06/01/1994 | EP0599260A1 Electric power steering apparatus |
| 06/01/1994 | DE4240100A1 Centering device for power steering valve - with sleeve of clad strip comprising low carbon steel clad with high carbon steel strip. |
| 05/31/1994 | US5316043 Preload mechanism for power steering apparatus |
| 05/26/1994 | WO1994011646A1 Resilient device for lost motion coupling and centring of two rotary members |
| 05/26/1994 | WO1994011232A1 Hydraulic cylinder |
| 05/26/1994 | WO1994011231A1 Power-assisted rack and pinion steering system, especially for motor vehicles |
| 05/26/1994 | DE4340203A1 Automobile electric steering system acting on vehicle rear wheels - has one-way coupling between electric motor and output shaft controlling rear wheel steering angle |
| 05/25/1994 | EP0598059A1 Hydraulic steering arrangement for vehicles. |
| 05/24/1994 | US5314036 For a vehicle |
| 05/19/1994 | DE4337440A1 Conversion of relative rotation of shafts into axial displacement - has ball bearing with angled tracks that generate axial displacement when parts are rotated |
| 05/19/1994 | DE4238331A1 Servo valve for control of hydraulic system fluid flow and fluid pressure - has simple slide element with linear motion and flow-restricting passages on both sides |
| 05/19/1994 | DE4238312A1 Centering device, esp. for steering valve - has centering part on tube, connected to drive shaft, and spring element in tube bore |
| 05/19/1994 | DE4237932A1 Volume flow control esp. for vehicle steering hydraulics - pumping hydraulic fluid, e.g. oil into main and auxiliary chambers using pump and throttle valve in main chamber |
| 05/18/1994 | EP0597655A1 Four-wheel steering |
| 05/17/1994 | US5313389 Fail-safe mechanism for vehicle stability augmentation steering system |
| 05/17/1994 | US5311906 Rotary control valve |
| 05/11/1994 | WO1994009943A1 Improvements in or relating to the manufacture or rotary valves |
| 05/11/1994 | EP0596167A1 Variable ratio steering system for a motor vehicle |
| 05/11/1994 | DE4237680A1 Hydraulic servo steering with lever-actuated control valve - has floating actuating lever and fixing elements for its position |
| 05/11/1994 | DE4237485A1 Auxiliary rack=and=pinion steering esp. for motor vehicles - has cylinder with integral connection parts for working lines, and formed collar on each part |
| 05/11/1994 | DE4237482A1 Forming control grooves in hollow, cylindrical control bush - starts with shaped, hollow blank with inner cross-sectional change and restriction |
| 05/11/1994 | DE4237481A1 Zahnstangen-Hilfskraftlenkung, insbesondere für Kraftfahrzeuge Rack and pinion power steering system, especially for motor vehicles |
| 05/11/1994 | DE4237480A1 Auxiliary rack=and=pinion steering mechanism - is esp. for motor vehicle and has separate valve housing of formed sheet metal part |
| 05/11/1994 | CA2146575A1 Improvements in or relating to the manufacture of rotary valves |
| 05/10/1994 | US5309758 Steering angle sensor for automobile |
| 05/05/1994 | DE4336892A1 Oil pressure drive for vehicle with hydraulic steering and engine cooling - has engine-driven variable delivery pump supplying steering servo and hydraulically impelled engine cooling fan via distributor valve |
| 05/05/1994 | DE4236716A1 Hydraulic accumulator charging system for vehicle drive - uses switch-off valve actuated by piston responsive to pressure in accumulator |
| 05/04/1994 | EP0595302A1 Automated guided vehicle movable in all directions |
| 05/03/1994 | US5308287 Rotary pump |
| 05/03/1994 | US5308095 Steering axle for vehicles |
| 05/03/1994 | US5307894 Hydraulic power steering system for automotive vehicles |
| 05/03/1994 | US5307892 Electronically controlled power steering system |
| 05/03/1994 | US5307891 Automotive steering system |
| 05/03/1994 | CA1329142C Hydraulic steering system |
| 04/28/1994 | WO1994008836A1 High performance power steering |
| 04/28/1994 | WO1994008835A1 Power steering with automatic play compensation |
| 04/28/1994 | WO1994008834A1 Hydraulic control device including a movable valve |
| 04/28/1994 | DE4241036C1 Reaction force for servo steering - is generated by coaxial sliding sleeve between two parts of steering column and driven by servo pressure |
| 04/28/1994 | DE4235635A1 Servo-assisted rack=and=pinion steering gear for vehicle - incorporates servo piston and piston rod forged in one piece with rack |
| 04/28/1994 | DE4235634A1 Servo-assisted rack=and=pinion vehicle steering - has servo cylinder attached to rack housing with crimped end seal over steering shaft |
| 04/28/1994 | DE4235633A1 Centering system for steering column servo valve - has angled positioning sleeve and axially sprung locating pegs between ends of steering system |
| 04/27/1994 | EP0594137A2 Hydraulic power steering apparatus |
| 04/26/1994 | US5305604 Control valve for bootstrap hydraulic systems |
| 04/21/1994 | DE4234623A1 Hydraulic system with separate reservoir and gearbox - uses inflow valve and float to provide constant supply in hydraulic gearbox, esp. for tractors |
| 04/21/1994 | DE4234571A1 Centring mechanism for car steering valves - has centring member integral with prestressed spring element on drive or driven shaft |
| 04/20/1994 | EP0544734B1 Hydraulic power-assisted steering system |
| 04/19/1994 | US5303793 Steering apparatus |
| 04/19/1994 | US5303636 Fluid controller and logic control system for use therewith |
| 04/14/1994 | WO1994007732A1 Centring device, in particular a centring device for steering valves |
| 04/14/1994 | DE4334261A1 Servo steering control system for assisting operating of vehicle steering wheel - has first control unit for determining drive torque for auxiliary steering motor on basis of steering torque data which shows steering torque of steering wheel |
| 04/14/1994 | DE4334260A1 Motor vehicle dual microcomputer ABS and servo-assisted steering controller - has first computer for producing assisting torque and DC motor direction signals, second computer for producing brake operating and motor direction signals, and AND=gate for determining coincidence of motor direction signals |
| 04/13/1994 | EP0592095A1 Steering control valve with contoured control surfaces |
| 04/13/1994 | EP0591653A1 Electric power steering, especially for motor vehicles |
| 04/12/1994 | US5303156 Electric power steering apparatus having overload protection |
| 04/12/1994 | US5301766 Power steering and limited slip differential system |
| 04/06/1994 | EP0591065A1 A distribution device for pressurized hydraulic fluid |
| 04/06/1994 | EP0590808A1 Fluid clutch device |
| 04/06/1994 | EP0590697A1 Electric power steering apparatus |
| 04/05/1994 | US5299650 Motor-driven power steering apparatus and method |
| 04/05/1994 | US5299649 Steering device and speed reduction device |
| 04/05/1994 | US5299648 Driver current limiting method in electric power steering apparatus |
| 03/31/1994 | WO1994006668A1 Rack and pinion servo-assisted steering system, in particular for motor vehicles |
| 03/31/1994 | WO1994006667A1 Rack and pinion servo-assisted steering system, in particular for motor vehicles |
| 03/31/1994 | DE4314616A1 Hydrostatic steering-gear for mobile working machines - comprises separate control and setting circuits with control circuit working to lower pressure |
| 03/31/1994 | DE4232813A1 Zentriereinrichtung, insbesondere für Lenkventile Centering device, in particular for steering valves |
| 03/31/1994 | DE4232570C1 Rotary slide valve for hydraulic servo steering unit - has engaging cylinder body and rotary disc with control edges on contacting surfaces and separated sealed groove on body surface |
| 03/30/1994 | EP0589036A1 Wheel position correcting device for fully hydraulic steering system |
| 03/30/1994 | CN2159915Y Hydraulic power-assisted steering machine for automobile |
| 03/29/1994 | US5297650 Electrically-driven motor car with an externally-operated parking device |
| 03/29/1994 | US5297447 Steering axle for vehicles, particularly for agricultural tractors |
| 03/29/1994 | CA2105147A1 Fluid clutch device |
| 03/22/1994 | US5295553 Rear wheel steerable working vehicle |
| 03/17/1994 | DE4230960A1 Zahnstangen-Hilfskraftlenkung, insbesondere für Kraftfahrzeuge Rack and pinion power steering system, especially for motor vehicles |
| 03/17/1994 | DE4230957A1 Zahnstangen-Hilfskraftlenkung, insbesondere für Kraftfahrzeuge Rack and pinion power steering system, especially for motor vehicles |
| 03/17/1994 | DE4230906A1 Electric servo device for vehicle steering system - uses rotor cooperating with driving and driven magnetic stators coupled via torsion element limiting their relative rotation |
| 03/16/1994 | EP0587042A2 Torque sensor |