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| Number | Title | Issue Date |
| 7377522 | Vehicle with movable and inwardly tilting safety body A suspension system for a vehicle (50c) having a body (52c) and a plurality of wheel support assemblies (56c, 58c) includes a tie structure (60c) interposed between the body and the wheel support ... | 05/27/2008 |
| 7314220 | Suspension system for a powered wheelchair A variable stiffness suspension system is provided for a wheelchair. The wheelchair has a frame and at least one wheel coupled to the frame for generally vertical movement relative to the frame. At least one sensor is provided for sensing an operating condition of t... | 01/01/2008 |
| 7311314 | Vehicular suspension system A vehicular suspension system having a fluid circuit including two fluid cylinders provided on respective front-wheel and rear-wheel sides, and two fluid passage systems one of which connects one of two fluid chambers of the fluid cylinder on the front-wheel side to... | 12/25/2007 |
| 7261194 | Bicycle suspension assembly with isolated inertia mass A bicycle suspension assembly including a damper body and having a valve, including a moveable inertia mass, movable between first and second positions to selectively alter the compression damping rate of the bicycle suspension assembly is described. The valve and e... | 08/28/2007 |
| 7192033 | Trailing arm suspension and height control system with motorized valve therefor A trailing arm suspension for a vehicle. The trailing arm suspension having a height control system for controlling the ride height of the suspension relative to the vehicle. The height control system preferably comprises a motor driven height control valve. ... | 03/20/2007 |
| 7114729 | Vehicle rear suspension An anti-lift characteristic of a rear suspension of a vehicle is enhanced by including a carrier at which a rear wheel is rotatably mounted; a trailing arm longitudinally aligned with respect to a vehicle body, ends of the trailing arm being respectively connected t... | 10/03/2006 |
| 6968266 | Object detection in adaptive cruise control A control system 20 for an automotive vehicle 22, such as an adaptive cruise control (ACC) system, is provided including a controller 24. The controller 24 is electrically coupled to a radar system and a navigation system. The detection s... | 11/22/2005 |
| 6876909 | Electronically controlled suspension apparatus for use in anti-squat control An ECU of an ECS apparatus has a determination block for determining whether the TPS signal rises to be greater than a first reference value and for determining whether the TPS signal declines to be less than a second reference value; and a damper control block, whi... | 04/05/2005 |
| 6779621 | Riderless stabilization of a balancing transporter A method for stabilizing a balancing transporter under riderless conditions. The balancing transporter is characterized by a center of mass, and has two laterally disposed wheels and a region of contact with an underlying surface. In accordance with the method, the ... | 08/24/2004 |
| 6749035 | Pitch alleviation system A hitch control system for a work vehicle combines a front suspension position signal, a hitch load signal and a hitch position signal to generate a valve command signal that controls hitch position so as to alleviate pitching and maximize front wheel ground contact... | 06/15/2004 |
| 6543564 | Balancing personal vehicle A transportation vehicle for transporting an individual over ground having a surface that may be irregular. The vehicle has a support platform for supporting the subject and the support platform is coupled to a ground-contacting module at a pivot. While t... | 04/08/2003 |
| 6505108 | Damper based vehicle yaw control Controllable dampers are used to improve vehicle responses and stability during severe vehicle handling maneuvers. A total handling damping value for the vehicle is derived, preferably from the greatest of a yaw rate error value, a lateral acceleration va... | 01/07/2003 |
| 6418363 | Vehicle suspension control system A motor vehicle having at least one fluid-pressurized height adjusting member having first and second separable components. Apparatus includes an integrated vehicle ride height system control system. The control system includes an electronic output drive ... | 07/09/2002 |
| 6336648 | Electronically controlled anti-dive suspension apparatus for two-wheeled vehicles An electronically controlled anti-dive suspension apparatus for a two-wheeled vehicle includes a suspension system, a sensor, an electronics module, and an actuator. The sensor mounted to the vehicle senses deceleration of the vehicle due to a braking act... | 01/08/2002 |
| 6223108 | Tire contact load control system An active actuator is interposed between the unsprung mass and the sprung mass of a vehicle, and a controller selectively extends and retracts the actuator at a prescribed acceleration so as to selectively apply an additional contact load to the wheel by ... | 04/24/2001 |
| 6116618 | Vehicular slope determination apparatus and vehicle height adjust control apparatus and vehicle height adjust control apparatus and method using the same A vehicle height adjust control apparatus, incorporating a slope determination apparatus, has a vehicle speed sensor, a vehicle height detector that detects a rear vehicle height of a rear portion of a vehicle body and front vehicle heights at the right a... | 09/12/2000 |
| 5938238 | Pneumatic lift control device Pneumatic lift control devices for use in progressively controlling the amount of front end lift of an automobile during acceleration comprise a housing having an annular chamber disposed therein. A piston is slidable disposed axially within the annular c... | 08/17/1999 |
| 5864768 | Vehicle suspension control system A method and apparatus for controlling continuously variable dampers in a vehicle suspension system is provided. A microcontroller receives sensor signals from the vehicle and generates heave, pitch and roll acceleration signals, heave, pitch and roll act... | 01/26/1999 |
| 5718446 | Vehicle suspension system A vehicle suspension system provided between a vehicle body and each of road wheels. The vehicle suspension system includes damping force varying means (a) for switching extension and compression side damping force characteristics in a plurality of steps.... | 02/17/1998 |
| 5711390 | Motorcycle height adusting method and apparatus A method and device are provided for adjusting the height of a motorcycle equipped with a motorcycle-height changing device for increasing and decreasing the height of the motorcycle in accordance with the operation of an actuator controlled in accordance... | 01/27/1998 |
| 5584498 | Suspension system for vehicle Several embodiments of suspension systems for vehicle wheels arranged in pairs and having paired shock absorbers. The shock absorbers are interrelated in such a way that they provide a first degree of damping during certain kinds of suspension loadings an... | 12/17/1996 |
| 5549175 | Control system for carriage In a control system for a carriage, a pair of driven wheels are raised or lowered by an elevator section so as to suppress inclination of the carriage which would be otherwise caused due to acceleration/deceleration of the carriage. Specifically, during s... | 08/27/1996 |
| 5515277 | Method and system for controlling active suspensions of a vehicle during acceleration and deceleration An active suspension system of a vehicle has a feed back control system for controlling four suspensions for the four wheels to maintain a reference vehicle height responsive to detected vertical relative displacements between the wheels and the vehicle b... | 05/07/1996 |
| 5500798 | Hydraulic active suspension controlled with side force compensation at respective vehicle wheels A hydraulic active suspension for suspending a vehicle body on a plurality of vehicle wheels. Actuators act between each vehicle wheels and a corresponding portion of the vehicle exert a suspension force therebetween and are controlled to increase or decr... | 03/19/1996 |
| 5475596 | Full car semi-active suspension control based on quarter car control A method of control for a vehicle suspension system comprising four quarter car suspensions and a suspended vehicle body, comprising the steps of developing a quarter car command for each quarter car suspension in response to a signal representative of th... | 12/12/1995 |
| 5446662 | Suspension control device for vehicle, tuning method for spring rate of suspension, and tuning method for damping rate thereof A suspension control device for a vehicle includes: a vehicle speed detector for detecting a vehicle running speed; a spring or damping rate variation calculator for calculating variation of an apparent spring or damping rate of a suspension of a vehicle ... | 08/29/1995 |
| 5401052 | Vehicle suspension device for stabilizing steering characteristics A vehicle suspension device includes a shock absorber disposed between a sprung portion and an unsprung portion of a vehicle for each of the vehicle wheels, a damping force changing device for changing a damping characteristic of the shock absorber, a det... | 03/28/1995 |
| 5383679 | Arrangement of suspension system for automotive vehicle An arrangement of a vehicular suspension system is disclosed in which each drive circuit which outputs a drive current to a corresponding one of the actuators installed on each shock absorber is arranged at a position adjacent to the corresponding one of ... | 01/24/1995 |
| 5383123 | Process and device for chassis control Suspension systems are actuated during braking and/or acceleration maneuvers whereby each wheel unit has a momentary normal force between the tire and road surface, i.e., the wheel load which is influenced in the direction of its greatest possible value. ... | 01/17/1995 |
| 5369581 | Vehicle control apparatus and method therefor A vehicle control apparatus and method therefor has a number of controllers (50, 63, 56) interconnected with one another by a data highway (10), the engine controllers being formed for example by a CPU. The engine controllers are each connected to a senso... | 11/29/1994 |
| 5351985 | Suspension system for automotive vehicles A suspension system has a link mechanism, disposed between a wheel support and a car body, for suspending the wheel support from the body so as to allow a wheel, related to steering, to swing about a center axis relative to the body. The link mechanism is... | 10/04/1994 |
| 5342079 | Control apparatus for vehicle suspension mechanism An electric control apparatus for a vehicle suspension mechanism of which the spring constant and damping force can be controlled independently to one another, wherein a vertical displacement amount and a vertical velocity vector of the vehicle body are d... | 08/30/1994 |
| 5326129 | Means for a shock absorber A shock-absorber includes a cylinder and a piston arranged within the cylinder and provided with at least one passageway of variable area for controlling flow of a working fluid from one side of the piston to the other side thereof. A controllable device ... | 07/05/1994 |
| 5316272 | Liquid spring vehicular suspension system and associated control apparatus A vehicular suspension system incorporates, at each wheel, a liquid spring which internally utilizes a compressible liquid to generate spring and damping forces that yieldingly resist vertical wheel deflection relative to the vehicle frame. The spring and... | 05/31/1994 |
| 5269556 | Vehicle suspension including fluid communication circuit and accumulators A vehicle having a body 25 supported respective pairs of front and rear wheels, 30, 31, 32, 33, two piston and cylinder units, 23-24, 35-36, 37-38, 34-39, being associated with each wheel and connected between the wheel 30 and body 25 so the piston moves ... | 12/14/1993 |
| 5217246 | Control system for controlling the suspension of a land vehicle The invention relates to an active suspension system for controlling the suspension of a wheeled land vehicle, which comprises an actuator (31) of variable length in parallel with a spring (34), connected between the body or chassis of a vehicle and a whe... | 06/08/1993 |
| 5211420 | Adjustable height suspension mechanism for two-wheeled motor vehicles A suspension system for two-wheeled vehicles capable of adjusting effective height of the vehicle and the spring rate of the suspension. Damping adjustment mechanisms are also employed. In the front suspension of a two-wheeled vehicle, a left-right suspen... | 05/18/1993 |
| 5186487 | Selectable damping vehicle suspension control responsive to engine torque A vehicle suspension comprises dampers changeable between low and high damping modes and normally operated in the low damping mode. A damper control stores a plurality of sets of reference numbers as a function of vehicle velocity, the reference numbers o... | 02/16/1993 |
| 5173857 | Automotive suspension system with feature of prevention of sudden change of vehicular attitude at vehicular attitude influencing acceleration beyond critical magnitude A suspension control system performs vehicular attitude regulating operation by adjusting damping characteristics at respective of suspension systems. For controlling damping characteristics, a suspension control command value is derived on the basis of a... | 12/22/1992 |
| 5163705 | Selectable damping vehicle suspension control responsive to transmission shift A vehicle suspension comprises dampers changeable between low and high damping modes and normally operated in the low damping mode. A damper control stores a plurality of sets of reference numbers as a function of vehicle velocity, the reference numbers o... | 11/17/1992 |
