Matches 1 - 50 out of 231 1 2 3 4 5 >
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6905126 Air-bag suspension system  
An air-bag suspension system for a motorcycle having a motorcycle main frame, fender struts extending outwardly from the main frame, and a swing arm pivotally mounted to the main frame about a...
6470248 Vehicle suspension control system  
The present invention is intended for use with a motor vehicle having at least one fluid-pressurized height adjusting member having first and second separable components. Apparatus constructed in...
5651555 Fluid-operated leveling valve systems  
A supported structure is leveled against positional variations relative to a supporting structure with a fluid suspension system between the supported structure and the supporting structure. The...
5601306 Vehicle suspension system  
A vehicle suspension system comprising a vehicle body supported upon a plurality of wheels arranged in lateral and longitudinal spaced relation. Individual double acting fluid rams connected...
5556115 Vehicle suspension systems  
A vehicle suspension system includes a vehicle body, a plurality of wheels arranged in lateral and longitudinal spaced relation to support the vehicle body. Two hydraulic rams are between each...
5527060 Load-sensitive vehicular suspension system  
According to an embodiment of the invention it is proposed, for determining the weight of the useful load on a vehicle, that the height of the vehicle body above the chassis be determined, this...
5475593 Distributed active vehicle suspension system  
A vehicle suspension system has hydraulically extensible and contractable actuators 14 connected between the vehicle body and the wheel assemblies 17. The actuators 14 are controlled by valves 25...
5452919 Suspension system for a vehicle  
A vehicle air suspension can be controlled between a Standard setting of ride height and a lower, Kneel, setting. Movement to or from the Kneel setting is frozen if a door is opened or if the...
5450322 Suspension control system for automotive vehicle  
A system is for controlling a suspension performance detecting the road surface condition in front of an automotive vehicle. A road surface sensor generates an output corresponding to the size of...
5430648 Vehicular suspension system  
A vehicular suspension system comprises a hydraulic damper including a valve element having a plurality of positions and a pulse motor drivingly coupled with the valve element. A control unit is...
5393087 Fluid active suspension apparatus and operation control method therefor  
A pneumatic active suspension apparatus is provided wherein, when a sprung vertical acceleration (ZG), which causes a wafting phenomenon perceptible by a person in a vehicle, occurs during travel...
5323319 Damping force controller  
There is disclosed a damping force controller for controlling a damping force characteristic of a damper disposed between an unsprung mass and a sprung mass of a vehicle. A control unit repeatedly...
5322321 Vehicle active suspension system  
An active suspension system (10) includes an electrically powered actuator (16) utilized with a height sensor (18) and a gas spring (24) controlled by a gas supply (26) that pressurizes and vents...
5286059 Height control system when vehicle is jacked up  
A vehicle height control system is provided which serves to adjust fluid pressures in actuators disposed between a vehicle body and suspension members supporting wheels respectively for leveling...
5273297 Leveling system for vehicles  
A leveling system for vehicles has one pressure regulating valve for controlling each work cylinder disposed between the vehicle body and a wheel support, the work cylinder having a hydraulically...
5265913 Leveling system for vehicles  
A leveling system for vehicles has at least one pressure-fluid-actuated work cylinder disposed between the vehicle body and the wheel suspension, a pressure fluid source and a pressure fluid sink...
5246247 Hydropneumatic suspension system  
A hydropneumatic suspension system for motor vehicles. The system contains at least one piston cylinder unit (202) including a cylinder (212) and a piston (214) cooperating with a spring storage...
5205581 System for controlling a chassis  
In a system for controlling a chassis, in particular for controlling spring cylinders that can simultaneously perform the function of a semiactive shock absorber and are disposed between wheel...
5183285 Suspension process and apparatus of the type having different stiffnesses with provision to smooth the change from one stiffness to another  
A suspension for the wheels of a motor vehicle, the suspension having an operating load position in which the suspension is deformed by a force equal to the weight of the vehicle, a suspended wheel...
5161817 Fluid-operated leveling valve systems  
A fluid suspension system has a valve including first and second valve parts coupled to a supporting structure and to a supported structure, respectively, and movable relative to each other in...
5160160 Active suspension system  
An active suspension system is disclosed in which in order to eliminate the undesired rapid lifting of the vehicle upon starting of the engine, the discharge from a fluid supply pump at such time...
5085460 Working fluid circuit for automotive active suspension system with enhanced take-up characteristics upon initiation of operation  
An active suspension system is provided a timing control valve in a supply line. The timing control valve is so designed as to provide a predetermined magnitude of delay in building up line...
5080391 Vehicular height regulation system for automotive vehicle with active fluid pressure within predetermined variation range  
A height regulation system for an automotive vehicle to generally adjust a vehicular height level within a predetermined height range includes a variable pressure chamber, in which the fluid...
5074569 Height control in active suspension system  
An active suspension system derives a target pressure to adjust fluid pressure in a working chamber of an active cylinder on the basis of a difference between an actual height level and a desired...
5048867 Automatic level control system for vehicles  
An automatic level control device for vehicles is furnished with an electrically triggered shut-off valve (44). The shut-off valve (44) can be loaded with a pressure in closure direction...
5029893 Vehicle suspension with auxiliary leaf springs  
Selectively engagable auxiliary leaf springs (38) for vertically supporting a vehicle chassis (32) on an axle assembly (22 or 102) in parallel with main suspension springs (34 or 114). Forward and...
4974861 Height control device for vehicle  
A height control device for vehicle for maintaining constant a height from a wheel-side member to a body-side member of a vehicle, including expansive operation means provided on the wheel-side...
4973080 Hydraulic suspension system for a vehicle with less abrupt change in vehicle height when started  
In a hydraulic suspension system, a plurality of actuators having working fluid chambers are provided. Each actuator is adapted to increase and decrease vehicle height as the results of the supply...
4923210 Suspension and leveling system for a vehicle  
The suspension system of the present invention includes an elongated spring having one end attached to the vehicle frame and having a second end. A pneumatic bag includes an upper end which is...
4900054 Electromagnetic support arrangement  
An electromagnetic support arrangement consists of at least one stator having a current-excited winding and a runner for rectilinear runner movements having at least one high-permeability runner...
4877263 Height control system in automotive suspension system with feature of capability of height adjustment in lock condition of drive wheel and power train  
A vehicular height control system detects lock condition of a drive wheel and a power train. When the lock condition of the drive wheel and the power train is detected, magnitude of the height...
4773672 Hydropneumatic suspension for motor vehicles  
A hydropneumatic suspension including, for each wheel, a suspension jack having a hydropneumatic accumulator and, for each axle, an additional hydropneumatic accumulator, a stiffness regulator...
4763222 Vehicle suspension control with actuating circuit protection  
A motor vehicle suspension control includes a solenoid actuator having an actuating coil connected in series with a transistor across an electric power source and circuit protection apparatus for...
4747615 Suspension control method  
A suspension control method for controlling suspensions equipped with variable damping force shock absorbers. First, an ideal movement pattern for restoring the sprung mass from a local highest or...
4733876 Suspension and leveling system for a vehicle  
The suspension system of the present invention includes an elongated spring having one end attached to the vehicle frame and having a second end. A pneumatic bag includes an upper end which is...
4697822 Control arrangement for raising and lowering the vehicle body of air-suspended vehicles  
The control arrangement is equipped with a compressed air source, at least one leveling valve (15), with air suspension bellows (24) assigned to at least one vehicle axle, a switching valve (8) and...
4693485 Vehicle height control apparatus  
The vehicle height control apparatus according to the present invention comprises, vehicle height detecting unit (M3) provided at an appropriate position of a vehicle (M1) for detecting the...
4659104 Automatic level control system for automotive vehicle with fail-safe system therefor  
An automotive height control system for an automotive vehicle includes an actuator disposed within a vehicle suspension system for adjusting the vertical dimension between a vehicle body and a...
4640526 Vehicle suspension apparatus  
A vehicle suspension apparatus including suspension units each provided for each wheel and having an air spring chamber is disclosed, in which rolling control and vehicle height control are done...
4630840 Vehicle height adjusting device  
A vehicle height adjusting device comprises a vehicle height sensor for sensing the height of a vehicle, means for controlling the vehicle height which produces a vehicle height adjusting signal in...
4624478 Suspension device for automobile  
In a suspension device for automobile having a shock absorber provided with a damping force change-over mechanism and a suspension spring provided with a spring constant change-over mechanism, a...
4610462 Electronically controlled suspension system  
An electronically-controlled, car-height adjustable suspension system of a car comprises an engine startup sensor which senses that the engine of the car has just been started, a mean car height...
4568101 Automatic suspension system  
An automatic suspension system for a vehicle lowers the vehicle ride height when the vehicle is operated below a predetermined speed and when the vehicle is at rest so that the vehicle has a lower...
4568096 Automatic vehicle level control  
A level control system for a motor vehicle with an unsprung mass including a wheel, a sprung mass, and a shock absorber connecting the sprung and unsprung masses comprises fluid power apparatus...
4555120 Position sensor  
The present invention relates to a position sensor which can be utilized as a height sensor in an automatic vehicle suspension system. The sensor comprises a telescoping assembly including an...
4540188 Automatic vehicle level control  
A level control system for a wheeled motor vehicle with sprung and unsprung masses, an accessory the activation of which indicates the probability of an associated vehicle load change, fluid power...
4483546 Self-levelling suspension  
A sensor is associated with each suspension unit for adjusting the ride height of a vehicle, and each sensor gives an output that varies progressively with ride height. A control circuit,...
4483552 Independent telescopic suspension  
A floating axle assembly for a vehicle. The assembly comprises an axle extending transverse to the longitudinal axis of the vehicle and beneath its frame. Wheels are connected to the axle and...
4453725 Road vehicle level controller  
A vehicle level controller produces a level lowering command signal whenever the sprung mass of a road vehicle is higher than a given trim band and produces a level raising command signal when the...
4433849 Control circuit for a vehicle leveling system  
A control circuit for a vehicle levelling system including a detecting device for detecting a change in vehicle height with respect to a predetermined reference vehicle-height position and...
Matches 1 - 50 out of 231 1 2 3 4 5 >