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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7360777 | Vehicle suspension system A vehicle suspension system for a vehicle, including: (a) a plurality of suspension cylinders each disposed between a chassis-side member and a corresponding one of a plurality of wheel-side members; (b) a controller cylinder including a housing and at least one pis... | 04/22/2008 |
| 7338335 | Hybrid electric heavy-duty vehicle drive system A hybrid electric system designed to lower fuel consumption in heavy-duty long-haul vehicles, and in medium and light duty vehicles (trucks, buses, vans, SUVs, recreational vehicles, and the like), utilizing a multiplicity of thermal engines, regenerative power road... | 03/04/2008 |
| 7322627 | Vertically adjustable truck bed A truck is disclosed with a vertically adjustable bed to facilitate cargo loading and unloading. The truck includes a U-shaped frame within which the vertically adjustable bed is located. The vertically adjustable bed is movable between elevated and lowered position... | 01/29/2008 |
| 7318595 | Variable ride control A skid steer vehicle has a chassis with four drive wheels suspended from the chassis that are damped by four damping cylinders. An electronic controller varies the damping of the cylinders in an automatic mode, based on certain operational parameters of the vehicle,... | 01/15/2008 |
| 7303039 | Damping force controller of shock absorber for motorcycle A damping force controller of a motorcycle shock absorber enables the motorcycle to jump high when needed in a stabilized attitude and to run downhill in a stabilized manner while preventing the rear wheel from bouncing. The damping force controller of a motorcycle ... | 12/04/2007 |
| 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 |
| 7270211 | Compressed air motorcycle lift adapted for internal placement within front forks of a motorcycle A motorcycle lift device is adapted to be fitted to any two of three wheeled motorcycle, the motorcycle lift device having an on board air compression generating device providing compressed air to a pair of air driven pistons placed within the existing front forks o... | 09/18/2007 |
| 7252181 | Air pressure proportional damper A suspension system includes an air spring and a shock absorber disposed between the sprung and unsprung portions of a vehicle. A vehicle height sensor sends signals to a control system which adjusts the height of the vehicle by increasing or decreasing the air pres... | 08/07/2007 |
| 7210544 | Control of a transporter based on attitude A transporter for transporting a load over a surface. The transporter includes a support platform for supporting the load. The support platform is characterized by a fore-aft axis, a lateral axis, and an orientation with respect to the surface, the orientation refer... | 05/01/2007 |
| 7210551 | Method for operating a level control system of a motor vehicle The invention is directed to a method for operating a level control system of a motor vehicle which includes: a control apparatus, sensors for the direct or indirect determination of the distance of the vehicle chassis to the axles of the vehicle wheels; and, actuat... | 05/01/2007 |
| 7204035 | Displacement measuring system for a piston-cylinder assembly A piston rod is guided with freedom of axial movement in a cylinder, where the position of the piston rod is detected by a first position-measuring device, which travels along with the piston rod, and by a second position-measuring device on the cylinder side. The t... | 04/17/2007 |
| 7083172 | Method for controlling anti-roll/anti-yaw of vehicles A method for controlling roll/yaw motions of a vehicle includes the steps of deciding whether an anti-roll control is required or not by comparing a roll rate of the vehicle with a predetermined threshold roll rate, executing the anti-roll control if the roll rate i... | 08/01/2006 |
| 7076351 | Enhanced computer optimized adaptive suspension system and method A system and method for controlling a damping system. The system has at least two dampers for damping between sprung and unsprung masses in the compression and rebound directions. Sensors generate signals based on position and other parameters of motion representati... | 07/11/2006 |
| 7062367 | Vehicle actuator remote control system The control system includes a microprocessor based radio frequency receiver module and a radio frequency handset transmitter module. The microprocessor receives a specific input from the remote transmitter. The handset transmitter module contains two joysticks. Two ... | 06/13/2006 |
| 7055831 | Hydropneumatic, level-regulated axle suspension on vehicles, in particular for full-suspension vehicles A hydropneumatic, level-regulated axle suspension for the front wheel axle and rear wheel axle on vehicles, in particular vehicles whose large axle load spread is large, having two double-acting hydraulic suspension cylinders, whose cylinder spaces are each connecte... | 06/06/2006 |
| 7005816 | Electromagnetic suspension system for vehicle An electromagnetic suspension system for a vehicle, comprises an electromagnetic actuator interposed between a sprung mass and an unsprung mass and disposed substantially in parallel with an spring element. An electric motor is provided for driving the electromagnet... | 02/28/2006 |
| 6964325 | Integrated tagging system for an electronic shock absorber An integrated tagging system for an electronically controlled shock absorber having a shock absorber with damping characteristics unique to the shock absorber. An electronic control module is in electronic communication with the shock absorber for controlling the sh... | 11/15/2005 |
| 6938716 | Concrete mixing truck anti-rollover system An anti-rollover system is used with a concrete mixing truck with a mixing drum, in particular during turning maneuvers, for preventing rollovers by the truck. The anti-rollover system is comprised of one or more sensors on the truck which generate an input signal r... | 09/06/2005 |
| 6840279 | Pneumatic switching valve for systems for lifting and lowering the body of vehicles including air suspension A pneumatic switching valve (1) for systems for lifting and lowering the body of a vehicle including air suspension includes a mechanical actuation element (33) for adjusting a lifting position, a lowering position, a driving position and a stop positi... | 01/11/2005 |
| 6633804 | Skid steer vehicle with self-leveling suspension A skid steer vehicle has a sprung suspension system including four wheels mounted on four swing arms that are pivotally coupled to the chassis of the vehicle. An electronic controller is connected both to position sensors coupled to the swing arms to sens... | 10/14/2003 |
| 6516257 | Method and system for independent axle control of a variable force damper system The invention provides a method for independent axle control of a variable force damper system by providing at least one axle velocity signal from at least one vehicle sensor. The method then applies an axle control algorithm to the at least one axle velo... | 02/04/2003 |
| 6382637 | Device for controlling the flow rate of hydraulic fluid in a supply line for vehicles A device for controlling the flow rate of hydraulic fluid in a supply line for the cylinder chambers of suspension cylinders in vehicles, especially tractors, having a permanent suspension axle, whose height is regulated by a level control device, a choke... | 05/07/2002 |
| 6343248 | Method and device for controlling semiactive suspensions of motor vehicles A control device for a vehicle having at least one semiactive suspension arranged between a vehicle body and a wheel and having a damping coefficient that can be varied in a controlled way by an actuator governed by a control device, the control device in... | 01/29/2002 |
| 6318813 | Air spring reservoir emergency brake backup system An emergency brake backup system is achieved by selectively interconnecting the air suspension as an additional reservoir to the air brake system. That is, if the charging system or primary reservoir fails, compressed air in the air spring reservoirs is u... | 11/20/2001 |
| 6164665 | Vehicle suspension system with continuously adaptive shock absorption A vehicle suspension system that varies its shock absorption maximize comfort when compatible with safe handling. Level sensors are positioned to determine the position and attitude of the body of the vehicle in relation to its axles. An electronic regula... | 12/26/2000 |
| 6158746 | Suspension control apparatus In the suspension control apparatus of the present invention, when a lateral acceleration differential value falls outside a lateral acceleration differential value range, a controller calculates a control input for an actuator, based on the lateral accel... | 12/12/2000 |
| 6122578 | Active controls for vehicular suspensions The relative motion and force between two interconnected elements can be counteracted with active controls when such motion and force is predictable. Magnitudes, wavelengths and locations of rocking motion by vehicles traveling along fixed guideways can b... | 09/19/2000 |
| 5947458 | Apparatus for an active suspension system An apparatus for an active suspension system provides independent control of each adjustable spring rate mechanism. Ride height, spring rate, and oscillation control are achieved with the use of transducers that send signals to a controller. The controlle... | 09/07/1999 |
| 5725239 | Adaptive load dependent suspension system A suspension system for use in a motor vehicle that is self-adjusting in response to vehicle load and roadway conditions. The system incorporates a pneumatic arrangement for such an adaptive load dependent system which connects air springs with fluid-cush... | 03/10/1998 |
| 5632503 | Method for allowing enhanced driver selection of suspension damping and steering efforts A method for allowing enhanced driver selection of suspension damping and steering efforts for a motor vehicle includes the steps of presenting to a driver of the motor vehicle a plurality of suspension damping modes and steering efforts modes for the mot... | 05/27/1997 |
| 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 |
| 5497324 | Vehicle suspension system with gain scheduling An apparatus comprising a variable force suspension system including a wheel, a body portion and a variable force actuator, a sensor for detecting a relative velocity between the wheel and the body portion, a control circuit for detecting an occurrence of... | 03/05/1996 |
| 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 |
| 5383680 | Anti-roll system for wheeled vehicles An anti-roll system for wheeled vehicles has one selective, unidirectionally lockable device per each independent suspension assembly having telescoping members connected between the sprung and unsprung masses that are free to extend or contract during ve... | 01/24/1995 |
| 5330025 | Suspension control system In a suspension control system, a constant speed travel control device controls throttle control unit according to information from a control switch unit and a vehicle speed sensor, to control the vehicle speed, and, when necessary, applies an over-drive ... | 07/19/1994 |
| 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 |
| 5267161 | System for the generation of signals for control or regulation of an undercarriage controllable or regulable in its sequences of motion A system for inferring actual wheel load fluctuation based on signals representing the relative movements between the wheel units and the vehicle body. Possible changes of the actual wheel load fluctuation are precalculated as a function of a possible cha... | 11/30/1993 |
| 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 system (204, 206) containing a compressible medium, where a ... | 09/21/1993 |
| 5247234 | Control arrangement The invention relates to an electric control arrangement for generating analog manipulated variables, having at least one basic controller circuit having a particular controller structure. The transfer function of the basic controller circuit, which is de... | 09/21/1993 |
| 5242190 | Unitary sensor assembly for automotive vehicles A unitary sensor assembly for use in an automotive vehicle having a source of electrical power, a body and an automotive suspension relatively moveable with respect to the body is disclosed, the assembly comprises a sensor for determining operational posi... | 09/07/1993 |
