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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7878510 | Surface vehicle vertical trajectory planning An active suspension system for a vehicle including elements for developing and executing a trajectory plan responsive to the path on which the vehicle is traveling. The system may include a location system for locating the vehicle, and a system for retrieving a roa... | 02/01/2011 |
| 7513508 | Computer assisted driving of vehicles Disclosed herein is a system and method for computer assisted driving of vehicles. The system disclosed herein provides an array of sensors positioned in the vehicles at strategic points for capturing vibrations and sound induced, when the vehicles move over pavemen... | 04/07/2009 |
| 7434816 | Surface vehicle vertical trajectory planning An active suspension system for a vehicle including elements for developing and executing a trajectory plan responsive to the path on which the vehicle is traveling. The system may include a location system for locating the vehicle, and a system for retrieving a roa... | 10/14/2008 |
| 7357204 | Drive-control system of electromotive vehicle and drive-control-method of electromotive vehicle A drive-control-system of electromotive vehicle and drive-control-method of an electromotive vehicle. A system has a condition-determination-process unit that reads a vibration index as a factor causing vibration in the vehicle-drive-system, and determines whether a... | 04/15/2008 |
| 7334801 | Automated vehicle suspension system An automated vehicle suspension system includes an elongated and linear drive axle having opposed end portions pivotally connected to a selected portion of a vehicle and laterally extending outwardly therefrom respectively. The system further includes a mechanism fo... | 02/26/2008 |
| 7287760 | Vehicle suspension system and method A control system is operatively associated with a suspension system of a vehicle. The associated suspension system includes an associated fluid spring operating at an associated fluid pressure and an associated variable-rate damper having an associated electronicall... | 10/30/2007 |
| 7269485 | Vehicle control apparatus and vehicle vibration suppression method A vehicle control apparatus for controlling a vehicle in response to a target control value includes a first setting unit configured to set a first target control value in response to a driver's request, a correction unit configured to correct the first target contr... | 09/11/2007 |
| 7240754 | Truck cab suspension control A suspension system having a frame, a cab having a front portion pivotally mounted to the frame and at least one actuator mounted between a rear portion of the cab and the frame. A position sensor is mounted adjacent the rear portion of the cab for generating a firs... | 07/10/2007 |
| 7203579 | Method and apparatus for estimating road surface state and tire running state, ABS and vehicle control using the same The frequency of an information signal indicative of a-vibration of a wheel detected by an acceleration sensor mounted to a wheel; or a change in the pressure of a gas in a tire detected by a pressure sensor installed in the tire, is analyzed. The band value of the ... | 04/10/2007 |
| 7195250 | Surface vehicle vertical trajectory planning An active suspension system for a vehicle including elements for developing and executing a trajectory plan responsive to the path on which the vehicle is traveling. The system may include a location system for locating the vehicle, and a system for retrieving a roa... | 03/27/2007 |
| 7168709 | Suspension control apparatus of vehicle The invention provides a suspension control apparatus for a vehicle which can execute a suspension control suitable even for a rough road by executing the suspension control based on an actual road surface profile, while taking various vehicle states (weight, speed,... | 01/30/2007 |
| 7125028 | Lower arm assembly of a vehicle A lower arm assembly comprises a lower arm, a front fluid-filled bushing, a rear fluid-filled bushing, and a fluid transferring pipe extending between the bushings. Each of the front and rear bushings has an outer pipe, an inner pipe, and a shock absorbing member. A... | 10/24/2006 |
| 7093806 | Method and system for decoupling structural modes to provide consistent control system performance A method and system for calculating a control function for a structural system (10) that can be used to determine an appropriate control force to apply to an active member (18) within a stationary member (12) on the structural system (10)... | 08/22/2006 |
| 6892123 | Unified control of vehicle dynamics using force and moment control In an unified control of a plurality of active chassis systems a role of each chassis system in applying a corrective net force and a corrective moment to a vehicle is determined. In determining the roles, control influence coefficients and a control authority of ea... | 05/10/2005 |
| 6799103 | Operating characteristics control device for a vehicle An operating characteristics control device for a vehicle includes a physical constitution detecting device for detecting a physical constitution of a passenger, an operation device operated by the passenger, a condition changing device operated by the operation dev... | 09/28/2004 |
| 6477466 | Device for adjusting the height positioning of the body of a vehicle A method and apparatus for controlling the elevation of a vehicle body in the event of a collision includes devices for sensing information concerning objects approaching the vehicle. Sensed information may include, for example, the relative speed, distan... | 11/05/2002 |
| 6000703 | Active suspension system for a work vehicle having adjustable performance parameters An active suspension system for a work vehicle includes an active vibration isolator mounted between the chassis and the cab which controls movement of the cab relative to the chassis in response to a control signal depending on a detected condition (e.g.... | 12/14/1999 |
| 5497325 | Suspension control system for a vehicle Suspension system for controlling switching attenuation forces at front wheels and rear wheels. A road surface sensor is provided under a front side of a vehicle body and moves so as to displace a road surface detecting position forwardly of the vehicle b... | 03/05/1996 |
| 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 roughness on a road surface located at a predetermined dist... | 09/12/1995 |
| 5443282 | Active wheel supporting system for vehicles The invention relates to an active wheel supporting system for vehicles having a scanning device which registers surface unevenness in a roadway, and active wheel support assemblies which are controlled by the scanning device so that the wheels are active... | 08/22/1995 |
| 5444621 | Suspension control system for controlling suspension of automotive vehicle based on wheel speed data A suspension control system capable of controlling a suspension of an automotive vehicle in such a manner as to improve the riding comfort and maneuverability of the vehicle without the need for many sensors is disclosed, in which a speed difference signa... | 08/22/1995 |
| 5439245 | System for chassis control A system for chassis control, specifically of passenger cars and trucks, where the control parameters of the controlled loop are varied for control of the chassis properties in contingence on the state of travel of the vehicle as determined by sensors. Sp... | 08/08/1995 |
| 5347457 | Method and apparatus for controlling vehicle suspension such that suspension characteristics are changed at a point in time when a vehicle wheel reaches a road surface irregularity detected in front of the vehicle A vehicular suspension control apparatus includes a selector valve for changing at least one of spring rigidity or damper rigidity of a suspension which is installed between a wheel and a body of a vehicle and extensibly and retractably supports the vehic... | 09/13/1994 |
| 5322319 | Active suspension apparatus for a vehicle An active suspension apparatus is provided for a vehicle which includes an actuator being extensible and retractable and provided between a vehicle body and a wheel so that the force of the vehicle body to support the wheel is adjustable, a sprung G senso... | 06/21/1994 |
| 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 |
| 5075855 | Automotive suspension control system with road-condition-dependent damping characteristics A suspension control system for automotive vehicles automatically adjusts the damping strength of variable shock absorbers or other dampers in accordance with road surface conditions as recognized by frequency analysis of a vehicle height or vibration sen... | 12/24/1991 |
| 5027302 | Device for switching vehicle operating characteristics A device for switching vehicle characteristics which includes means for setting information concerning a road, such as a highway, in the running path of the vehicle, means for detecting the fact that the vechicle comes to a designated road portion in the ... | 06/25/1991 |
| 4826206 | Tension actuator load suspension system A tension actuator suspension system is disclosed, providing control over the elevation of a load suspended from a reference system, as well as over the compliance of the suspension system. As employed in a vehicle suspension system, a preferred arrangeme... | 05/02/1989 |
| 4827416 | Method and system for controlling automotive suspension system, particularly for controlling suspension characteristics in accordance with road surface conditions A suspension control system employs a road sensor monitoring road roughness or smoothness and producing a road condition indicative signal. The control system also employs other sensor or sensors for monitoring at least one preselected suspension control ... | 05/02/1989 |
| 4796911 | Automotive suspension system with roll-stabilizer having road condition-dependent torsion modulus, and control of torsional modules An automotive suspension system has a roll stablizer with an adjustable torsion modulus. The torsion modulus of the stabilizer is adjusted depending upon road surface conditions and other parameters. A controller is associated with the stabilizer to adjus... | 01/10/1989 |
| 4770438 | Automotive suspension control system with road-condition-dependent damping characteristics A suspension control system for an automotive vehicle automatically adjusts the damping strength of variable shock absorbers or other dampers in accordance with road surface conditions as recognized by frequency analysis of a vehicle height or vibration s... | 09/13/1988 |
| 4717173 | Suspension control system for automotive vehicle suspension suppressing bouncing A suspension control system is able to precisely adapt damping characteristics to the road condition, even when the vehicle passes over bump, manhole, hole and so forth. The suspension control system includes a road sensor which produces a road condition ... | 01/05/1988 |
| 4674767 | Automotive suspension control system ensuring riding comfort and driving stability, and especially riding comfort on undulating roads A suspension control system includes a road surface sensor which produces a road condition indicative signal. A controller detects bounding and rebounding motions of the vehicle suspension on the basis of the road condition indicative signal from the road... | 06/23/1987 |
| 4651290 | Road condition discriminating system A road surface condition discriminating system is disclosed, in which a vehicle speed signal produced from a vehicle speed sensor mounted on a part of the wheel system of an automobile running on a road is analyzed to decide the road surface conditions on... | 03/17/1987 |
| 4616848 | Automotive suspension control system with vehicle speed-dependent damping characteristics A suspension control system includes a suspension system variable of stiffness and/or damping characteristics, a road sensor producing a road condition indicative signal and a controller for controlling the stiffness and/or damping characteristics of the ... | 10/14/1986 |
| 4600215 | Vehicular suspension control system with variable damping characteristics depending upon road condition and vehicle speed A suspension control system for automotive vehicles automatically adjusts the damping strength of variable shock absorbers or other dampers in accordance with road surface conditions. The sensor signal reflects vertical displacement of the vehicle body fr... | 07/15/1986 |
| 4595072 | Vehicle suspension system A vehicle comprises a chassis member, a ground engaging member mounted on the chassis member for supporting the same as the vehicle traverses a road surface, a load supporting member such as a seat mounted on the chassis mount, and an resilient component ... | 06/17/1986 |
