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| Number | Title | Issue Date |
| 8037981 | Device and process for oscillation insulation in a transmission path Device and process for oscillation insulation in a transmission path. The device includes a first body structured and arranged to undergo an oscillation movement, at least one rigid connection element, a second body connected to the first body via the at least one r... | 10/18/2011 |
| 7931132 | Damper The invention relates to a damper having a damper cylinder, in which a piston ram is guided via a piston rod, and for adjusting characteristic damper values, the flow of a damper fluid can be controlled. A piezoelectric valve is disposed inside the damper cylinder, ... | 04/26/2011 |
| 7637359 | Modular interface for damping mechanical vibrations Interfaces for damping mechanical vibrations are used, for example, for damping vibrations in the automotive or aerospace industry. The interfaces have a base connection element (10), a load connection element (28) and a support element (14), wi... | 12/29/2009 |
| 7475761 | Apparatus for vibration damping in a motor vehicle Apparatus for damping vibration in a motor vehicle includes a vibration damper module having a hollow-cylindrical housing, which has opposite ends closed by force-transmitting end closures, and a control unit for detecting interfering vibration and generating a cont... | 01/13/2009 |
| 7373260 | Sensor infrastructure A device for use in detecting an event in a structure includes a sensor encapsulation, the encapsulation containing a sensor, an actuator positioned substantially in-plane to the sensor within the housing and a printed circuit board in communication with at least on... | 05/13/2008 |
| 7350787 | Vehicles and methods using center of gravity and mass shift control system A center of gravity (C/G) control system for a vehicle includes sensors to measure the center of gravity shift and mass shift of the human body in relation to the vehicle, a controller to determine outputs, a dynamically adjustable vehicle system, and a power supply... | 04/01/2008 |
| 7337883 | Linear electromechanical screw actuator for a parking brake The actuator comprises a tubular nut (22) coupled by means of an external thread (21) to the casing (12) of the actuator. The nut has an internal thread (23) opposite the external thread, for engaging a threaded rod (11) which is p... | 03/04/2008 |
| 7316383 | Valve mechanism, especially fuel injection valve for an internal combustion engine A fuel injection valve for an internal combustion engine, includes a valve element whose switched position depends at least indirectly on the switched state of a piezoelectric actuator that is acted on by a tubular, largely cylindrical prestressing device, which is ... | 01/08/2008 |
| 7299906 | Bicycle damping enhancement system A bicycle shock absorber for differentiating between rider-induced forces and terrain-induced forces includes a first fluid chamber having fluid contained therein, a piston for compressing the fluid within the fluid chamber, a second fluid chamber coupled to the fir... | 11/27/2007 |
| 7270221 | Bicycle damping enhancement system A bicycle shock absorber and methods for differentiating between rider-induced forces and terrain-induced forces includes a first fluid chamber having fluid contained therein, a piston for compressing the fluid within the fluid chamber, a second fluid chamber couple... | 09/18/2007 |
| 7222704 | Damping of vibrations A selective damping apparatus includes at least one sensor for detecting, and producing signals indicative of at least the frequency and amplitude of vibrations of a first structural component (a “resonant structure”) having one or more resonant frequencies. At ... | 05/29/2007 |
| 7214153 | Method of changing the duty cycle frequency of a PWM solenoid on a CAM phaser to increase compliance in a timing drive A chain drive having a phaser such as a hydraulic vane phaser interposed between a timing chain and a driving or driven shaft is provided. The phaser or the vane are controlled to oscillate more at certain engine speeds to thereby reduce the tensioning force on the ... | 05/08/2007 |
| 7163222 | Bicycle fork having lock-out, blow-off, and adjustable blow-off threshold A bicycle fork includes a pair of fork leg assemblies, each of the leg assemblies having an upper leg telescopingly engaged with a lower leg. A damping assembly is provided in at least one of the legs. The damping assembly includes an adjustable valve, sometimes ref... | 01/16/2007 |
| 7070026 | Brake actuator apparatus and method for actuating a brake A brake actuating apparatus includes a force transmission element operable to transmit a brake actuating force and an abutment member moveable to abut the force transmission element. A piezo-electric device operable on expansion applies a force between the abutment ... | 07/04/2006 |
| 7063343 | Front fork damper for bicycle Disclosed is a front fork damper installed in a bicycle front fork formed of a fork pipe, a bottom case coupled and axially movable relative to the bottom case, and a hydraulic fluid filled in between the bottom case and the fork pipe. The front fork damper is joine... | 06/20/2006 |
| 7017928 | Bicycle A bicycle in one embodiment includes a frame and at least one adjusting device for adjusting at least one of a height of a saddle and a steering stem. The adjusting device includes a double-acting piston/cylinder assembly with a first cylinder chamber and a second c... | 03/28/2006 |
| 7013206 | Electrically adjustable semiactive damper control One or several vibration dampers of a vehicle suspension have a damping force arrangement wherein a control signal is computed within the actuating range in accordance with a standard control method for adjusting the damper characteristic. The drive of a damper adju... | 03/14/2006 |
| 7007894 | In-flight refueling system, damping device and method for preventing oscillations in in-flight refueling system components An in-flight refueling system, damping device and method are provided for enhancing the stability of an elongate hose extending from a tanker aircraft during an in-flight refueling operation. The various embodiments of the system, device, and method provide a passiv... | 03/07/2006 |
| 6979011 | Motorcycle fork bottom having different longitudinal stiffness and adjustable lateral stiffness A motorcycle or bicycle suspension having adjustable side-to-side flexibility. The suspension includes a telescopic fork and a fork bottom which couples the fork to the axle of a wheel. The fork bottom and the fork are stiff in the direction of travel, to avoid flex... | 12/27/2005 |
| 6905131 | Bicycle suspension assembly A bicycle suspension assembly is configured with a pair of telescoping struts with one of the struts having an electrical cord located in an interior area of located between upper and lower telescoping members of the strut. The electrical cord located in the interio... | 06/14/2005 |
| 6889803 | Torsional active vibration control system A damper mechanism for absorbing torsional vibrations in a rotating shaft. The damper mechanism includes a vibration absorbing mechanism and at least one actuator that is controllable to affect the torsional vibration absorbing characteristics of the vibration absor... | 05/10/2005 |
| 6672434 | Method and device for influencing the transfer of vibrations of a vibration generator to an object connected to it, in particular of engine vibrations to the body of a motor vehicle A method and a device for influencing the transfer of vibrations of a vibration generator to an object connected to it, in particular of engine vibrations to the body of a motor vehicle. At least one piezo element is arranged as an actuator in the region ... | 01/06/2004 |
| 6427812 | Damper and valve A valve regulates fluid displacement in a damper assembly, for example, displacement of hydraulic fluid in a sealed shock absorber. The valve is placed between a portion of fluid at one pressure and regulates the passage of fluid through an aperture or pa... | 08/06/2002 |
| 6389341 | Control system for a vehicle suspension A suspension system (20) controls the amount of compressible fluid (42) within struts (28) to determine spring rate coefficients (Ks) and dampening coefficients (Bs) for the struts (28). The spring rate and dampening coefficients (K | 05/14/2002 |
| 6298958 | Automatically adjustable damping force shock absorber An automatically adjustable damping force shock absorber includes an outer cylinder; an inner cylinder provided in the outer cylinder; a piston inserted into the inner cylinder. The piston includes a plunger assembly slidably fitted in the inner cylinder ... | 10/09/2001 |
| 6193029 | Damper and valve A valve regulates fluid displacement in a damper assembly, for example, displacement of hydraulic fluid in a sealed shock absorber. The valve is placed between a portion of fluid at one pressure and regulates the passage of fluid through an aperture or pa... | 02/27/2001 |
| 6164424 | Shock absorber with bypass damping A shock absorber for a vehicle includes a fluid-filled cylinder having a closed end, a shaft extending partially into the cylinder, a valve attached to the first end of the shaft, and a power supply. The valve includes a valve piston and a bender. The val... | 12/26/2000 |
| 6082719 | Spacecraft antenna vibration control damper A vibration control system is provided for an appendage such as an antenna 10 coupled to a platform such as a spacecraft 12. The antenna 10 is coupled at a base 14 so as to extend from the spacecraft 12. A plurality of guidelines 20 extend between remote ... | 07/04/2000 |
| 6026939 | Shock absorber with stanchion mounted bypass damping A dampener (628) for a shock absorber of a vehicle, such as a bicycle, is mounted within a telescoping front fork including a stanchion tube (116) and a coaxial slide tube (618). The dampener includes an internally received hydraulic fluid sleeve (640) th... | 02/22/2000 |
| 6003849 | Hybrid isolator and structural control actuator strut A vibration damping and isolation apparatus including a passive damping mechanism and an active enhancement mechanism. The passive damping mechanism operates to dissipate vibratory and shock forces applied to the vibration damping and isolation apparatus.... | 12/21/1999 |
| 5996745 | Piezoelectric shock absorber valve A shock absorber for a vehicle includes a fluid-filled cylinder having a closed end, a shaft extending partially into the cylinder, a valve attached to the first end of the shaft, and a power supply. The valve includes a valve piston and a bender. The val... | 12/07/1999 |
| 5333455 | Displacement magnifier for piezoelectric element A displacement magnifying device for magnifying the displacement of a piezoelectric element according to an applied voltage, is applied to a vibration absorber and an actuator. The device includes a member for supporting the element, a first elastic seali... | 08/02/1994 |
| 5233834 | Piezo-actuator's displacement magnifying mechanism A piezo-actuator's displacement magnifying mechanism includes a first cylinder and a second cylinder which is smaller in diameter than the first cylinder and communicates with the same. A plunger is slidably mounted in the first cylinder. The plunger is m... | 08/10/1993 |
| 5160162 | Shock absorber producing variable damping force An automotive shock absorber producing a variable damping force. The absorber comprises a cylinder, a piston slidably fitted in the cylinder, two hydraulic chambers partitioned from each other by the piston inside the cylinder, a passage permitting the tw... | 11/03/1992 |
| 5154263 | Method and apparatus for controlling the flow of damping fluid through a piston A shock absorber for damping the movement of the body of an automobile. The shock absorber includes a pressure cylinder forming a working chamber with a piston disposed therein. The piston has a plurality of flow passages extending therethrough. A first v... | 10/13/1992 |
| 5129489 | Hydraulically operated displacement transmission mechanism for shock absorber with variable damping force A variable-damping-force shock absorber includes a piezoelectric actuator for producing a displacement, a hydraulic pressure chamber filled with a working oil and having a volume variable in response to the displacement produced by said piezoelectric actu... | 07/14/1992 |
| 5105918 | Detection of damping force for shock absorber control A damping force detecting apparatus for detecting a damping force of a variable damping force type shock absorber including a cylinder and a piston slidably inserted thereinto. The damping force detecting apparatus comprises a piezoelectric element assemb... | 04/21/1992 |
| 5078239 | Shock absorber with adjustable damping force A shock absorber which selectively produces different magnitudes of damping forces includes a cylinder and a piston slidably disposed in the cylinder and dividing an interior space of the cylinder into first and second fluid chambers filled with a fluid. ... | 01/07/1992 |
| 5078241 | Controllable vibration dampers for motor vehicles Controllable vibration dampers for motor vehicles that include a cylinder which contains a damping medium and an axially movable piston rod sealed and submerged in the medium. A damping piston is attached to the piston rod and subdivides the cylinder into... | 01/07/1992 |
| 5054809 | Variable damping characteristics shock absorber A variable damping characteristics shock absorber includes a piezoelectric unit which serves as a sensor for detecting piston stroke and an actuator for adjusting stiffness of a flow restriction valve and thus for adjusting the damping characteristics of ... | 10/08/1991 |
