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| Number | Title | Issue Date |
| 7954609 | Damping force generating mechanism for shock absorber A damping valve (10) resists a flow of fluid from a first fluid chamber (41) to a second fluid chamber (42) which are separated by a piston (1). A partitioning member (24, 27-29, 52) partitions an inflow space (A, B) of a pa... | 06/07/2011 |
| 7726451 | Vibration damper with amplitude-selective damping force A vibration damper with amplitude-selective damping force includes a piston rod carrying a piston arrangement axially movably arranged in a cylinder and dividing the cylinder into two working spaces. A flow connection is present between the working spaces and contro... | 06/01/2010 |
| 7665585 | Vehicle suspension system and method for operating A vehicle suspension system includes a mechanical spring portion adapted to undergo suspension deflection, a spring seat contacting and supporting the mechanical spring portion, and a mechanical gear assembly which is operatively connected to the spring seat to cont... | 02/23/2010 |
| 7621381 | Fluid damper A damper including a first fluid conduit in fluid communication with a second fluid conduit via a regulator, a first movable member disposed within the first fluid conduit, a second movable member disposed within the second fluid conduit, and a fluid residing betwee... | 11/24/2009 |
| 7347308 | Damper A damper includes a piston with an orifice communicating in an axial direction and dividing a cylinder into two portions in the axial direction, and provides a braking force by resistance of a viscous fluid passing through the orifice when the piston moves inside th... | 03/25/2008 |
| 7316409 | Front fork of bicycle with buffer apparatus A front fork of a bicycle, which has damping function, has a lower fork having a closed bottom. An upper fork tube is inserted into the lower fork for reciprocation relative to the lower fork, which has a nozzle at a top thereof. Oil is received in a space between t... | 01/08/2008 |
| 7309063 | Gas-filled spring for a vehicle, such as a motor cycle, and valve for such a gas-filled spring A gas-filled spring (1) operates using gas (13, 14) and may be intended for a motor cycle. The gas-filled spring comprises a cylinder (2) and a piston (4), said cylinder comprising a compression chamber and a return chamber (8, 9).... | 12/18/2007 |
| 7299908 | Shock absorber A device for absorbing shocks, in particular for two-wheeled vehicles, having at least a chamber filled with a fluid medium; at least a piston means (20) movable in the longitudinal direction of the chamber ... | 11/27/2007 |
| 7287626 | Buffer device for elevator In a buffer device for an elevator, a hydraulic buffer that alleviates shock generated when a traveling body impacts at the bottom of a hoistway is located at the bottom of the hostway. Provided between the traveling body and the bottom of the hoistway is an elastic... | 10/30/2007 |
| 7275627 | Active vibration suppression apparatus, control method therefor, and exposure apparatus having active vibration suppression apparatus An active vibration suppression apparatus includes a rotating actuator which is fixed to a vibration suppression target and generates a torque in a rotational direction, an inertial load which is connected to the actuator and moves in the rotational direction relati... | 10/02/2007 |
| 7264095 | Vibration and displacement damper, in particular for cable stays A vibration and displacement damper includes a plunger piston (10) sliding with a slight clearance inside a guiding cylinder (20). The plunger piston includes over a part of its length a piston ring (12) sliding inside a main chamber (13)... | 09/04/2007 |
| 7258211 | Rotary damper A rotary damper having an oil chamber within a housing which is divided into two by a vane, and generates a damping force by passing operating oil between the two oil chambers when the vane oscillates, has a shaft supporting the vane to allow oscillation in relation... | 08/21/2007 |
| 7255210 | Telescopic fork leg for a vehicle, preferably a motorcycle A telescopic fork leg incorporates mutually displaceable inner and outer tube parts and a damping arrangement for damping the relative movements of the tube parts. The damping arrangement comprises tubular and coaxially disposed units. A piston belonging to a first ... | 08/14/2007 |
| 7255211 | Dashpot with amplitude-dependent shock absorption A dashpot featuring amplitude-dependent shock absorption, especially intended for the wheel of a vehicle and including a hydraulically parallel cylindrical pressure-compensation chamber (8). The pressure-compensation chamber is partitioned by an axially displ... | 08/14/2007 |
| 7234340 | Apparatus, method, and medium for detecting and discriminating impact sound An apparatus, method, and medium for detecting an impact sound and an apparatus, method, and medium for discriminating the impact sound using the same. The impact sound detecting apparatus includes: an onset detector separating an input signal of a frame unit into a... | 06/26/2007 |
| 7234576 | Damper, in particular for motor vehicle A damper, in particular for motor vehicle, includes a cylinder containing a hydraulic fluid, a main piston (1) actuated by a rod (3) defining in the cylinder a first chamber (2a) and a second chamber (2), the second chamber contain... | 06/26/2007 |
| 7228785 | Piston rod for a vibration damper with amplitude-dependent damping force A piston rod has a hollow section with an open end, a housing, and a fastening connection for a piston. The housing includes a cap welded to the open end, a tubular intermediate piece welded to the cap, and a bottom part attached to the fastening connection. The cap... | 06/12/2007 |
| 7213689 | Shock absorber for a remote-controlled model car A shock absorber for a remote-controlled model car includes a sealing member fixed on the topside of a piston. The sealing member has two opposite flexible portions respectively matching with the flow-guiding holes of the piston, with flow gaps formed between the fl... | 05/08/2007 |
| 7201260 | Subassembly for the amplitude-dependent absorption of shock A subassembly for the amplitude-dependent absorption of shock, especially in a dashpot for a motor vehicle with a piston and an oscillating piston rod. The piston (3) is accommodated in a housing (2), partitioning the housing into two compartments (... | 04/10/2007 |
| 7188452 | Sleeved bracing useful in the construction of earthquake resistant structures A buckling restrained brace includes an elongate, hollow sleeve, an elongate yielding core extending substantially through the length of the sleeve, and a buckling constraining element between the yielding core and the inner surface of the hollow sleeve and spaced a... | 03/13/2007 |
| 7182188 | Isolator using externally pressurized sealing bellows Apparatus are provided for a damping system. The system includes a housing having an inner surface defining a passage therethrough, a first bellows disposed within the passage, the first bellows having an outer surface and spaced apart from the housing inner surface... | 02/27/2007 |
| 7172058 | Vibration damper with amplitude-dependent damping force Vibration damper with amplitude-dependent damping force includes a cylinder, in which a piston rod, carrying a piston, is guided with freedom of axial movement, where the piston divides the cylinder into a working space on the piston rod side and a working space on ... | 02/06/2007 |
| 7156213 | Shock absorber having a hydraulic stop A shock absorber includes a hydraulic stop. The hydraulic stop includes two housings connected together by a spring. At the end of the stroke of the shock absorber, the piston causes the two housings to approach each other thereby causing fluid disposed between the ... | 01/02/2007 |
| 7143875 | Attenuation coefficient switching type hydraulic damper A hydraulic damper used for reducing shaking of a structure, for example in an earthquake. The hydraulic damper has a cylinder, a piston movable in a reciprocating manner within the cylinder, hydraulic chambers at opposite sides of the piston, and a single on-off co... | 12/05/2006 |
| 7137491 | Shock absorber non-vibrating check valve assembly A check valve assembly for a shock absorber includes a tapered valve seat and a polygonal check valve which includes a plurality of flat surfaces. Each pair of flat surfaces intersects at a linear engagement surface which slidably engages a cylindrical chamber. When... | 11/21/2006 |
| 7104369 | Vibration damper with stroke-dependent damping force A piston rod with a piston is installed with freedom of axial movement in a damping medium-filled cylinder, where, as a function of the stroke position of the piston, a bypass connects the two working spaces separated from each other by the piston. The piston has at... | 09/12/2006 |
| 7100750 | Assembly for a Hydraulic Dashpot An assembly for a hydraulic dashpot. The dashpot is accommodated in an overall housing (1) and provided with a shock-absorbing piston (3) traveling back and forth inside the housing on one end of a piston rod (2) and partitioning the housing int... | 09/05/2006 |
| 7097016 | Fulcrum blow off valve for use in a shock absorber A shock absorber includes a rebound valve assembly which performs the flexing disc function normally required for allowing the passage of fluid from one side of a piston assembly to the opposite side during the stroke of the shock absorber. The rebound valve assembl... | 08/29/2006 |
| 7070028 | Frequency dependent damper A gas shock absorber has a pressure tube which defines a working chamber. A piston divides the working chamber into an upper working chamber and a lower working chamber. A flow path extends through the piston to provide fluid communication between the upper and lowe... | 07/04/2006 |
| 7066310 | Piston-cylinder unit A piston is guided in an axially displaceable manner sealed off from a closed cylinder via an annular seal radially surrounding it, and divides the cylinder interior into a working space near the piston rod and a working space away from the piston rod. The two worki... | 06/27/2006 |
| 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 |
| 7063192 | Active vibration suppression apparatus, control method therefor, and exposure apparatus having active vibration suppression apparatus An active vibration suppression apparatus includes an actuator fixed to a vibration suppression target, an inertial load driven relative to the target by the actuator, and a driving system which drives the actuator based on a first signal corresponding to the vibrat... | 06/20/2006 |
| 7040468 | Hydraulic shock absorber A hydraulic shock absorber includes a cylindrical housing within which a piston assembly is slidably received. The piston assembly includes a piston element connected to a piston rod and adapted to divide an interior of the housing into compression and rebound chamb... | 05/09/2006 |
| 7032727 | Shock absorber having a hydraulic stop A shock absorber includes a hydraulic stop. The hydraulic stop includes two housings connected together by a spring. At the end of the stroke of the shock absorber, the piston causes the two housings to approach each other thereby causing fluid disposed between the ... | 04/25/2006 |
| 7021435 | Monotube strut with rebound cut-off feature A suspension damper including a tube and a damping piston assembly disposed within the tube and slidably mounted therein for reciprocal movement in the tube. The suspension damper also includes a piston rod extending through the tube and connected to the damping pis... | 04/04/2006 |
| 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 |
| 7011192 | Air cylinder with high frequency shock absorber and accelerator High frequency shock absorber/accelerator built in at any or both end of conventional air cylinder that includes piston moving axially inside cylinder body and sealed against inner surface of body by sealing structure. Cylinder piston rod protrudes outside thru cyli... | 03/14/2006 |
| 6988599 | Compressible fluid strut A suspension strut (10) for a vehicle including a compressible fluid (20), a hydraulic tube (22,22′) and displacement rod (24) adapted to cooperate with the compressible fluid (20) to supply a suspending spring force that biases ... | 01/24/2006 |
| 6959796 | Adjustable damper with valve mounted in-line A damper includes an outer cylinder and an inner cylinder. The inner cylinder is disposed inside the outer cylinder and contains a rod and valve to define an upper working chamber and a lower working chamber. An adjustable valve portion fluidly communicates the uppe... | 11/01/2005 |
| 6959797 | Piston-cylinder assembly with braking device In a piston-cylinder assembly comprising a cylinder in which a piston rod is installed with freedom of axial movement and which is filled with a blocking medium, a braking device becomes active when the piston-cylinder assembly moves faster than a defined speed and ... | 11/01/2005 |
