Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8079602 | Suspension systems for a vehicle A utility vehicle is disclosed. The utility vehicle may include storage areas under the dash. The utility vehicle may include suspension systems for utility vehicles having shocks with both a fluidic stiffness adjustment and a mechanical stiffness adjustment. The ut... | 12/20/2011 |
| 7722056 | Damping force generation system and vehicle suspension system constructed by including the same It is an object of the invention to improve the utility of an electromagnetic absorber system which is disposed in a suspension system of a vehicle and which generates a damping force by a generation force of a motor. The electromagnetic absorber system 18 is... | 05/25/2010 |
| 7406371 | Suspension control system In a suspension control system, accelerations detected by acceleration sensors are differentiated by a differentiator to calculate acceleration derivative values. Based on these values, a target electrical current calculating section calculates a target electrical c... | 07/29/2008 |
| 7340334 | Control device of variable damping force damper A control device of a variable damping force damper for controlling a damping force of a damper used in a vehicle suspension system comprises: relative displacement detection means for detecting a value corresponding to a relative displacement between a vehicle body... | 03/04/2008 |
| 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 |
| 7149615 | Absolute steering angle detection device and absolute steering angle detection method for electric power steering device A steering angle θt detected by the torque sensor is read at S900. Then, an electrical angle θm corresponding to a motor rotational angle is read at S902. At S908 through S922, motor rotational numbers are calculated based on θt, θm a... | 12/12/2006 |
| 7137634 | Active control type mounting bushing device for vehicle An active control type mounting bushing device adapted to properly change the hardness of the mounting bushing according to a driving state, thereby obtaining a proper hardness of the mounting bushing for obtaining a comfortable ride during normal driving conditions... | 11/21/2006 |
| 7085636 | Transmissibility shaping control for active vehicle suspension systems The present invention provides a transmissibility shaping control for active suspension systems. The T-shaping control is a combination of several sub-strategies using the dynamic information in the frequency domain. Each strategy works dominantly in a certain frequ... | 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 |
| 6679504 | Seamless control of spring stiffness in a liquid spring system A vibration control system for a structure having a first structural member and a second structural member. The vibration control system having a liquid spring operably interposed between the first structural member and the second structural member. The l... | 01/20/2004 |
| 6619672 | Suspension device having a trim corrector A vehicle suspension device having, for each suspension system, a suspension including a spring and a reversible electric actuator acting in parallel with the spring. The device includes provision for controlling the electric actuators of each of the susp... | 09/16/2003 |
| 6598885 | Single valve control of damping and stiffness in a liquid spring system A vibration control system for a structure having a first structural member and a second structural member. The vibration control system having a liquid spring operably interposed between the first structural member and the second structural member. The l... | 07/29/2003 |
| 6439582 | Vehicle suspensions A vehicle suspension system control unit (40) is arranged to determine from a lateral accelerometer (42) and vehicle speed sensor (44) when the vehicle is executing a series of opposite turns in a slalom type manner which are likely to cause a build-up of... | 08/27/2002 |
| 6397134 | Vehicle suspension control with enhanced body control in steering crossover A vehicle suspension control stores, for each direction of vehicle lateral acceleration, a first set of enhanced vehicle damping commands that provide enhanced damping in compression for the suspension dampers on the outside of a turn and in rebound on th... | 05/28/2002 |
| 6370458 | Vehicle suspension control with vehicle handling enhancement having relative velocity dependent adjustment A vehicle suspension control derives demand force commands from relative velocities of the suspension dampers at the corners of the vehicle and applies the demand force commands only when a force corresponding to the demand force command can be effectivel... | 04/09/2002 |
| 6311110 | Adaptive off-state control method An Adaptive Off-state (AO) control method (55) for use in conjunction with a suspension system (10) including a controllable damper (22) interconnecting relatively moveable members (12, 14) to reduce the transmission of vibrational forces therebetween. Su... | 10/30/2001 |
| 6298294 | Device for controlling suspension shock absorbers of vehicles based upon phantom substitute therefor A device for controlling damping coefficients of shock absorbers (22FL, 22FR, 22RL, 22RR) of a four wheeled vehicle constructs a phantom damping system composed of a phantom side shock absorber (122, 122F, 122R) disposed vertically at a lateral inside of ... | 10/02/2001 |
| 6285935 | Device for controlling suspension shock absorbers of vehicles with skewed phantom substitute A device for controlling damping coefficients of shock absorbers (22FL, 22FR, 22RL, 22RR) of a four wheeled vehicle constructs a phantom damping system composed of a phantom side shock absorber (122) disposed vertically at a lateral inside of a turn runni... | 09/04/2001 |
| 6219602 | Vehicle suspension control with stability in turn enhancement A vehicle suspension control includes a vehicle body control responsive to body/wheel velocity at the corners of the vehicle body to derive a demand force command for dampers at each corner of the vehicle body for vehicle body control and applies each of ... | 04/17/2001 |
| 6181997 | Vehicle suspension control with compensation for yaw correcting active brake control A vehicle suspension system is responsive to an active brake signal from a brake system indicating the application of a greater braking force to one front corner brake than to the other front corner brake to affect vehicle yaw rate. The vehicle suspension... | 01/30/2001 |
| 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 |
| 6032770 | Low force actuator for suspension control A low force actuator that is used in conjunction with semi-active and passive suspension systems to provide for improved suspension and ride control for vehicles, and which overcomes stiction and provides limited active capability. The low force actuator ... | 03/07/2000 |
| 6023220 | Vehicle having a scanning system A vehicle having a scanning system for zero contact scanning of one or several mutually spaced road areas and having an analyzing system connected behind the scanning system. The analyzing unit is equipped for determining the roll-over angle, the roll-ove... | 02/08/2000 |
| 5987369 | System and method of controlling semiactive suspension A system and method of controlling a semiactive suspension is disclosed. The system and method effectively selects appropriate damping force curves for the dampers of the four wheels in accordance with both an output vertical acceleration signals from thr... | 11/16/1999 |
| 5948028 | Method of improving response time in a vehicle active tilt control system A method is provided for improving response time in a vehicle active tilt control system having front and rear stabilizer bars adjustable by front and rear hydraulic actuators which are movable in first and second opposing directions for adjusting vehicle... | 09/07/1999 |
| 5928297 | Suspension control device of vehicle according to genetic algorithm A suspension control device for a vehicle equipped with suspension dampers variable of damping coefficient, including: a means for storing a group of schedules each having a plurality of information units for controlling the variation of the damping coeff... | 07/27/1999 |
| 5765115 | Pneumatic tilt stabilization suspension system A controllable suspension system includes air springs and variable damping shock absorbers (108) switchable between first and second effective spring rates and soft and firm damping rates. At speeds above a given speed, lateral accelerations exceeding pre... | 06/09/1998 |
| 5662356 | Roll correction system with countersteer compensation A roll correction system for use in a vehicle including a body, wheels, and a suspension coupling the body to the wheels includes a roll correction apparatus hydraulically actuated by a hydraulic signal indicative of a roll direction. A hydraulic signal s... | 09/02/1997 |
| 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 |
| 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 |
| 5367459 | Apparatus for controlling dampers in a vehicle suspension system An apparatus controls a damper connectable between a vehicle body and a vehicle wheel. A position sensor senses the amount of angular displacement between the vehicle body and the vehicle wheel and provides a position signal indicative thereof. An acceler... | 11/22/1994 |
| 5342080 | Vehicle height control system A vehicle height control system has oil under pressure generated by a pump, the oil being charged into and discharged from a cylinder that is provided for each wheel through a charge-discharge valve. This action effects vehicle height control. The control... | 08/30/1994 |
| 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 |
| 5324068 | Method for semiactive chassis control In a method for semiactive chassis control, in particular for damping resilient wheel suspension systems in vehicles, having a piston displaceable in a cylinder and subdividing it into two work chambers, the cylinder and piston are each connected to a veh... | 06/28/1994 |
| 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 |
| 5295705 | Automobile suspension including control of variable damping coefficient shock absorber Disposed between a sprung element and an unsprung element is a shock absorber of multi-degree variable-damping-coefficient type. The change control of the damping coefficient is carried out so that an actual damping force generated by the shock absorber c... | 03/22/1994 |
| 5288101 | Variable rate torsion control system for vehicle suspension The invention relates to a stabilizing apparatus for a motor vehicle using a torsion bar for conveying torsional forces from one location on a motor vehicle to another location on a motor vehicle. A torsion arm with variable flex resistance along its leng... | 02/22/1994 |
| 5263737 | Device for stabilizing the attitude of an automobile A device for stabilizing the attitude of an automobile having an automobile body and lefthand and right-hand road wheels which are rotatably supported on the automobile body, includes cylinder means independently disposed between the road wheels and the a... | 11/23/1993 |
