| 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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| 08/20/1991 | US5041977 Actively controlled suspension system with fail-safe operation in response to failure of sensor for monitoring vehicle attitude change |
| 08/20/1991 | US5040851 Pneumatic circuit for wheel mounted shovel |
| 08/20/1991 | US5040823 Vehicle with front and rear wheels |
| 08/14/1991 | EP0441522A2 Control device for an automobile |
| 08/14/1991 | EP0440943A1 Damping system with a shock absorber |
| 08/14/1991 | DE4004204A1 Hydropneumatic suspension system for vehicle - incorporates two piston-cylinder units connected to reservoir |
| 08/14/1991 | DE4004133A1 Hydropneumatic suspension system for vehicle - incorporates control rollers moving against curved surfaces |
| 08/14/1991 | DE4003959A1 Oscillation damping system e.g. for vehicle suspension - has throttle point controlled by temp. to vary damping characteristics of shock absorber |
| 08/14/1991 | DE4003766A1 Characteristic evaluation for vehicle pneumatic suspension spring - using differential of detected spacing between wheel mounting and vehicle chassis |
| 08/14/1991 | DE4003746A1 Loading measuring device for vehicle pneumatic suspension system - uses variation in measured spacing between measuring point and defined ref. level for determining vehicle weight |
| 08/13/1991 | US5040115 System for monitoring vehicle slip angle |
| 08/09/1991 | WO1991012452A1 Proportional pressure control valve |
| 08/09/1991 | CA2074367A1 Proportional pressure control valve |
| 08/08/1991 | WO1991011757A1 Control system |
| 08/08/1991 | WO1991011636A1 Friction leaf spring for vehicles |
| 08/08/1991 | DE4003493A1 Hydro-pneumatic suspension for vehicle |
| 08/08/1991 | DE4003316A1 Braking monitor for semi-trailer - has pressure monitors inside articulated coupling and with processor |
| 08/08/1991 | DE4003200A1 Hydro-pneumatic spring - has two hydraulic circuits each having two separate cylinder chambers and two separate pressure chambers |
| 08/08/1991 | DE4002910A1 Silicone oil- or gel-filled force measurement device - allows attitude change between rigid piston and housing for uniform pressure loading of strain-gauge diaphragm |
| 08/08/1991 | DE4002883A1 By=pass valve for vehicle hydraulic damper - has two stable positions with solenoid switching action |
| 08/07/1991 | EP0440012A1 Force measuring device |
| 08/07/1991 | EP0439979A1 Improved apparatus for level control of a motor vehicle |
| 08/06/1991 | US5037128 Active suspension system with enhanced stability |
| 08/06/1991 | US5037119 Suspension-steering control apparatus |
| 08/06/1991 | US5036941 Drive unit for a vehicle in a driverless transport system |
| 08/06/1991 | US5036750 Pilot-operated dual check valve assembly with cross-line flow valving pilot pistons |
| 08/03/1991 | WO1991011339A2 Digital suspension system |
| 08/03/1991 | CA2074514A1 Digital suspension system |
| 08/02/1991 | CA2035132A1 Force measuring device and method of manufacturing it |
| 08/01/1991 | DE4002059A1 Active suspension method for vehicle - having spring legs with hydraulic or pneumatic working chambers connected via logic-controlled valves to supply |
| 07/31/1991 | EP0438815A1 Active sensor for a shockabsorber for measuring the relative speed between body and axle |
| 07/30/1991 | US5036275 Inductive coupling position sensor method and apparatus having primary and secondary windings parallel to each other |
| 07/30/1991 | US5035408 Jounce responsive actuator for parallel auxiliary spring |
| 07/25/1991 | DE4100236A1 Wheeled vehicle with shock-absorbers esp. for forestry - has changeover valve allowing reciprocal flows of oil between reservoir and upper and lower damping chambers |
| 07/23/1991 | US5034892 Apparatus for suppressing vibratory or quaky movements of mobile type crane |
| 07/23/1991 | US5034890 Automotive suspension control system with road-condition-dependent damping characteristics |
| 07/23/1991 | US5033770 Controlling apparatus for active suspension system for automotive vehicle |
| 07/23/1991 | US5033573 Wheel slip control utilizing active suspension |
| 07/17/1991 | EP0436870A2 Dynamic vehicle suspension system including electronically commutated motor |
| 07/16/1991 | US5032998 System and method for updating in real time a reference position of an oscillating object |
| 07/16/1991 | US5032997 Fail-safe vehicle control system |
| 07/16/1991 | US5032821 Motor vehicle stability monitoring and alarm system and method |
| 07/16/1991 | US5031934 Vehicular suspension position sensor and method of calibration |
| 07/16/1991 | US5031732 Shock absorber for a vehicle |
| 07/16/1991 | US5031663 Pressure control valve device |
| 07/16/1991 | CA1286327C Vehicle suspension system |
| 07/11/1991 | WO1991006440A3 Height control of air suspended vehicles |
| 07/11/1991 | DE3546704C2 Hydro pneumatic suspension for mobile crane |
| 07/10/1991 | EP0436180A2 Vehicle suspension with auxiliary leaf springs |
| 07/10/1991 | EP0435916A1 Control arrangement. |
| 07/09/1991 | USRE33630 Air ride vehicle front suspension assembly |
| 07/09/1991 | US5029893 Vehicle suspension with auxiliary leaf springs |
| 07/09/1991 | US5029892 Hydraulic suspension control device |
| 07/09/1991 | US5029473 Acceleration sensor |
| 07/04/1991 | DE4014441A1 Levelling system for motor vehicle suspension - has switching device with level switch controlling supply or removal of hydraulic fluid |
| 07/03/1991 | EP0435704A1 Vehicle suspension |
| 07/03/1991 | EP0435587A2 Multi-axle air suspension system for a vehicle |
| 07/03/1991 | EP0435403A2 Suspension controller |
| 07/03/1991 | EP0435143A2 Jounce responsive actuator for parallel auxiliary spring |
| 07/03/1991 | EP0435142A2 Hydraulic actuator for auxiliary leaf spring |
| 07/03/1991 | EP0434787A1 Chassis control with servo-adjustment circuit |
| 07/03/1991 | EP0434784A1 Device for controlling a vehicle's chassis as a function of the road surface |
| 07/03/1991 | EP0434780A1 Semi-active regulation of chassis. |
| 07/02/1991 | US5029328 Method of controlling active suspensions for an automotive vehicle |
| 07/02/1991 | US5028073 Dynamic vehicle suspension system including electronically commutated motor |
| 07/02/1991 | US5027927 Variable rate shock absorber |
| 06/27/1991 | DE3942654A1 Restricting swaying of vehicle - involves suspension incorporating hydraulic struts with difference pistons |
| 06/27/1991 | DE3942106A1 Hydropneumatic piston-cylinder for vehicle suspension - makes use of movable cylinder free from mechanical stresses |
| 06/26/1991 | EP0433700A2 Device for the compensation of tilting of the body of a motor vehicle |
| 06/26/1991 | EP0433606A1 Vehicle suspension |
| 06/25/1991 | US5027302 Device for switching vehicle operating characteristics |
| 06/25/1991 | US5027048 Field oriented motor controller for electrically powered active suspension for a vehicle |
| 06/25/1991 | US5025899 Method and apparatus for absorbing mechanical shock |
| 06/25/1991 | US5025877 Load distribution system for road vehicles having wheel axles supported by pneumatic suspension |
| 06/20/1991 | DE3941702A1 Dynamic, hysteresis-free control of vehicle horizontal level - using one computer to control level on straights and round bends and another to control force distribution during braking |
| 06/18/1991 | US5024465 Axle suspension for vehicles, particularly heavy vehicles with two or more axles |
| 06/18/1991 | US5024463 Manually power mechanical actuator for parallel auxiliary spring |
| 06/18/1991 | US5024460 Output filter and method for on/off semi-active suspension control |
| 06/18/1991 | US5024459 Pressure control system for suspension |
| 06/18/1991 | US5024302 Apparatus for damping courses of motion |
| 06/18/1991 | CA1285005C Control system for motor vehicle suspension unit |
| 06/13/1991 | WO1991008120A1 Combined control system for motor vehicles |
| 06/13/1991 | DE4039005A1 Control system for vehicle - has central control unit and two controllers responding to driver-command sensors to control two sets of devices |
| 06/13/1991 | DE4017189A1 Controlled damping valve for hydraulic vibration damper - has damping characteristics set adjusting shaped armature enclosed by excitation coil using adjustment shaft |
| 06/12/1991 | EP0431673A1 Axle lifting device for a vehicle with gas spring system |
| 06/12/1991 | EP0431646A1 Suspension apparatus of automotive vehicle |
| 06/12/1991 | EP0431597A1 Suspension apparatus of automotive vehicle |
| 06/11/1991 | US5022501 Hydraulic type vehicle height adjusting device for attachment to vehicle shock absorber |
| 06/06/1991 | DE4035784A1 Air suspension with weight sensor - has sensing coil integral to gas spring walls |
| 06/05/1991 | EP0430746A1 Attachment device, especially for attaching an axle of a rear wheel suspension of a motor vehicle to the body |
| 06/05/1991 | EP0430368A1 Vehicle with axle suspension device with gas spring suspension, and control system therefor |
| 06/04/1991 | USRE33601 Rear wheel suspension controller |
| 06/04/1991 | US5020826 Vehicle suspension system |
| 06/04/1991 | US5020825 Method and apparatus for absorbing mechanical shock |
| 06/04/1991 | US5020781 Controls for a semiactive chassis |
| 06/02/1991 | CA2030991A1 Vehicle with axle suspension device with gas spring suspension, and control system therefor |
| 05/30/1991 | WO1991007607A1 Arrangement for semi-active or active control of damping members in a vehicle suspension system |
| 05/30/1991 | WO1991007291A1 Vehicle height adjusting system |
| 05/30/1991 | WO1991007290A1 Vehicle suspension |
| 05/29/1991 | EP0428651A1 Process for regulating a suspension |