| Patents for B60G 17 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load (16,940) |
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| 03/24/1994 | DE4231784A1 Electrically-driven hydraulic pump - cools control stage for collectorless electric motor by hydraulic fluid handled by pump |
| 03/24/1994 | DE4227241A1 Secondary thermal spring for main spring of motor vehicle - has gas/fluid filled vessel, to apply temp. dependent pressure to fluid chamber via membrane |
| 03/23/1994 | EP0587987A1 Active actuator |
| 03/23/1994 | EP0587986A1 Active actuator |
| 03/23/1994 | EP0587663A1 Vehicle suspension |
| 03/22/1994 | US5297045 Vehicle suspension system |
| 03/22/1994 | US5296785 Fail-safe vehicle suspension system including switched reluctance motor |
| 03/22/1994 | US5295705 Automobile suspension including control of variable damping coefficient shock absorber |
| 03/22/1994 | US5295563 Active suspension actuator with control flow through the piston rod |
| 03/22/1994 | CA1327916C Integrated chassis and suspension systems for monorail vehicles |
| 03/17/1994 | DE4230875A1 Pilot controlled pressure regulating valve for vehicle active suspension level control - has external pilot electrically actuated stage controlling input to valve with control spool and axially aligned poppet |
| 03/17/1994 | DE4230874A1 Pressure maintaining valve for active suspension level control - has in line spool arrangement with poppet stage having inset elastomer face seal to provide pressure maintenance |
| 03/17/1994 | DE4230559A1 Altering a vehicle's stance during road travel - involves taking air pressure measurements to determine pitch, roll and ground clearance with springs/dampers altered to correct vehicle stance |
| 03/17/1994 | DE4230249A1 Bellows-type air spring for vehicle - has bent projections around edge of sealing seat between bellows |
| 03/15/1994 | US5295074 Vehicle suspension control system |
| 03/15/1994 | US5294146 Active suspension of vehicle having system of compensation for cornering force |
| 03/15/1994 | US5293970 Cylinder including a control valve between separate work chambers |
| 03/15/1994 | US5293969 Electromagnetic suspension device |
| 03/15/1994 | US5293968 Dual-tube shock absorber |
| 03/10/1994 | DE4229967A1 Transverse acceleration measurement for vehicle active suspension, ABS or ASR control - generating pulses for each rotation of left and right wheels during defined time duration |
| 03/10/1994 | DE4229504A1 Vehicle road-curve stability regulation procedure - involves regulation of actual yaw velocity by comparison with required value as calculated from detected parameters |
| 03/09/1994 | EP0585452A1 Electromagnetic actuator |
| 03/08/1994 | US5292149 Arrangement for the active adjustment of a motor vehicle wheel |
| 03/08/1994 | CA2039454C Suspension control apparatus |
| 03/03/1994 | DE4327220A1 Regulation and/or control system for active vehicle suspension system - detects steering angle to control variable suspension springs between chassis and vehicle wheels |
| 03/03/1994 | DE4228893A1 System for controlling travel dynamics of road vehicle e.g. for ABS or ASR - has sensors for determining longitudinal, transverse or sheer coupled to and physically combined with evaluation unit in module, and separates further evaluation units for activating actuators from module |
| 03/03/1994 | DE4228414A1 Sensor signal processing e.g. for vehicle suspension regulation and=or control - generates correction values from signals related to vehicle movement or inertial reference system to convert from fixed reference system to reference system locked to movement path |
| 03/01/1994 | US5291406 Land vehicle suspension control system |
| 03/01/1994 | US5290048 Working fluid circuit for active suspension control system of vehicle |
| 02/24/1994 | DE4227470A1 Monitoring of electric current in electromagnetic valves of shock absorbers - involves comparing current with limiting value and measuring duration of exceeding limit with alarm given if duration exceeds preset value. |
| 02/23/1994 | EP0583597A1 Linkage for a rigid front axle, in particular for utility vehicles |
| 02/23/1994 | EP0583546A1 Handling truck, in particular driverless vehicle |
| 02/22/1994 | US5289380 System and method for controlling damping force characteristic of shock absorber applicable to automotive suspension |
| 02/22/1994 | US5289379 Land vehicle suspension control system |
| 02/22/1994 | US5288102 Vehicle height control system |
| 02/22/1994 | US5288101 Variable rate torsion control system for vehicle suspension |
| 02/22/1994 | US5287735 For detecting abnormal combustion event in an internal combustion engine |
| 02/22/1994 | CA1327215C In-wheel plane damping |
| 02/17/1994 | WO1994003340A1 Secondary suspension system for rail vehicles |
| 02/17/1994 | WO1994003338A1 Method and devices for sensing the engagement of a tyre on a safety ring |
| 02/17/1994 | CA2141303A1 Method and devices for sensing the engagement of a tire on a safety ring |
| 02/16/1994 | EP0582735A1 Device for controlling the attitude of a vehicle |
| 02/16/1994 | EP0473766B1 Device for controlling the level of a vehicle |
| 02/15/1994 | US5287277 Method and apparatus for controlling height of a vehicle |
| 02/15/1994 | US5286059 Height control system when vehicle is jacked up |
| 02/15/1994 | US5285876 Adaptive damper control |
| 02/10/1994 | DE4326227A1 Vehicle suspension system with variable-damping force shock-absorbers - has dead zone in stepping-motor control whose boundaries are raised and lowered according to measured vertical velocity |
| 02/03/1994 | WO1994002767A1 Vehicle suspension system and control valve therefor |
| 02/03/1994 | DE4222346A1 Noise reduction circuit for path sensor differentiator in vehicle speed measuring system - consists of hysteresis circuit comprising buffer amplifier and positive feedback path of capacitor and parallel connected second operational amplifier and antiparallel clamping diodes, with ratio of resistors determining hysteresis voltage |
| 02/02/1994 | EP0581476A1 Adjustable dampers using electrorheological fluids |
| 02/01/1994 | US5283740 Steering handle position sensor checking apparatus |
| 01/27/1994 | DE4237708C1 Roll stabilisation for vehicle suspension - has non-return valves in both lines to suspension dampers |
| 01/25/1994 | US5282135 Steering handle position sensor checking apparatus |
| 01/20/1994 | WO1994001988A2 A vehicle suspension system |
| 01/20/1994 | WO1994001296A1 Multiple stage torsion axle |
| 01/20/1994 | DE4323589A1 Suspension system for motor vehicle with adjustable hydraulic cylinders - uses signals from pressure and acceleration detectors to control supply or removal of fluid in or from hydraulic cylinders installed between bodywork and wheels |
| 01/20/1994 | DE4323552A1 Vehicle suspension system with variable suspension characteristics - controls supply or removal of fluid into or out of hydraulic cylinders provided respectively between motor vehicle bodywork and each wheel |
| 01/20/1994 | DE4323544A1 Vehicle suspension system with variable suspension characteristics - controls supply and discharge of fluid in to or out of hydraulic cylinders provided respectively between motor vehicle body and each wheel |
| 01/20/1994 | DE4223783A1 Hydropneumatic suspension system for goods vehicle - uses spring reservoirs with non-overlapping pressure regions |
| 01/20/1994 | CA2139342A1 Multiple stage torsion axle |
| 01/19/1994 | EP0579182A1 An active vehicle suspension, particularly a driver's cab suspension for a commercial vehicle |
| 01/19/1994 | EP0268608B1 Method and apparatus for absorbing mechanical shock |
| 01/15/1994 | CA2100210A1 Adjustable dampers using electrorheological fluids |
| 01/13/1994 | DE4323024A1 Suspension system for steered wheel of vehicle - uses speed or angular sensor to adjust wheel position on curves |
| 01/13/1994 | DE4221126A1 Hydropneumatic spring suspension system for vehicle - uses mechanical spring to produce counter force to balance out force generated in fluid reservoir |
| 01/11/1994 | US5277450 For use on a trailer |
| 01/11/1994 | CA1326067C Control system and method for operating adjustable vehicular suspension unit over undulating road surfaces |
| 01/06/1994 | WO1994000308A2 Vehicle suspension systems |
| 01/06/1994 | WO1994000307A2 A suspension system for a vehicle |
| 01/05/1994 | DE4221722A1 Measuring acceleration of vehicle - evaluating instantaneous fluid pressure in hydraulic or hydropneumatic components for force transfer between chassis and body |
| 01/05/1994 | DE4221088A1 Suspension system for motor vehicle with actuator(s) between bodywork and wheel axle bearer - has valve arrangement and servo valve increasing springed rigidity if effectiveness of pressure control arrangement is insufficient |
| 01/05/1994 | DE4220801A1 Distance measurement system for controlling shock absorber - feeds AC excitation voltage to one coil and uses second coil as measurement coil on piston for generating signal related to electromagnetic coupling between coils. |
| 01/04/1994 | US5276623 System for controlling suspension deflection |
| 01/04/1994 | US5276622 System for reducing suspension end-stop collisions |
| 01/04/1994 | US5276621 Quarter car variable force suspension system control |
| 01/04/1994 | US5275430 Trailer suspension apparatus |
| 12/29/1993 | EP0575384A1 Twin-tube shock absorber. |
| 12/28/1993 | US5274576 Apparatus for measuring the yaw rate of a vehicle |
| 12/28/1993 | US5273308 Height control of air suspended vehicles |
| 12/28/1993 | US5273297 Leveling system for vehicles |
| 12/28/1993 | CA1325650C Support system for a vehicle driving wheel |
| 12/28/1993 | CA1325645C Shock absorber with damping valve structure having wide range variable damping characteristics |
| 12/21/1993 | US5271632 For a vehicle |
| 12/16/1993 | DE4319080A1 Motor vehicle load wt. measurement system - mounts strain gauge in slide or suspension plate, which is located between leaf spring and axle housing. |
| 12/16/1993 | DE4318611A1 Off road multi-purpose vehicle with at least two axles and drive gearing - has at least one slow off-road transmission and fast road transmission and wheels spring suspended at chassis restricted by spring blocks. |
| 12/15/1993 | EP0175747B2 Shock-absorber |
| 12/14/1993 | US5269558 Correction of asynchronous dampers in a suspension system for a vehicle |
| 12/14/1993 | US5269557 Suspension system for a vehicle |
| 12/14/1993 | US5269178 Engine misfire, knock of roughness detection method and apparatus |
| 12/14/1993 | CA1325254C Damping force control system for shock absorber variable with frequency of vehicle height difference exceeding limit value |
| 12/09/1993 | WO1993024342A1 Powered wheelchair with a detachable power drive assembly |
| 12/09/1993 | WO1993024340A1 Variable rate torsion control system for vehicle suspension |
| 12/07/1993 | US5267589 Piezoelectric pressure control valve |
| 12/07/1993 | US5267466 Apparatus and method for calibrating a suspension control module |
| 12/02/1993 | DE4317510A1 Spring damper suspension system for vehicle wheel - has spring dampers with control levers for loaded and unloaded vehicle settings |
| 12/02/1993 | DE4218087A1 Controlling vibration damping of car chassis or body - using mathematical model with linear relationship between vertical chassis acceleration and its displacement and velocity |
| 12/01/1993 | EP0572040A1 Method and apparatus for absorbing mechanical shock |
| 12/01/1993 | EP0571718A2 Stand-by circuit for one of several functional groups in a vehicle |
| 11/30/1993 | US5267161 System for the generation of signals for control or regulation of an undercarriage controllable or regulable in its sequences of motion |
| 11/30/1993 | US5265913 Leveling system for vehicles |