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| Number | Title | Issue Date |
| 8113323 | Self-pumping hydropneumatic spring strut with internal level control An oil-filled working cylinder is divided into first and second working spaces by a working piston, the first working space being connected to a high pressure chamber. A piston pump includes a pump rod received in a pump cylinder formed by the hollow piston rod, the... | 02/14/2012 |
| 7963377 | Dual stage dampers for vehicles suspensions Dampers for vehicle suspensions include a housing comprising a tube attached to a wheel axle of a vehicle and a piston rod extending from a piston within the tube and attached to the vehicle body. The piston divides the tube into first and second chambers. In order ... | 06/21/2011 |
| 7621382 | Shock absorber A dampening mechanism is described having a pressure tube defining a working chamber between a rod guide proximate a first end and an end cap proximate a second end. A piston is disposed within the pressure tube and divides the working chamber into an upper working ... | 11/24/2009 |
| 7441637 | Hydraulic shock absorber In a hydraulic shock absorber (1), a piston rod (5) protrudes from a cylinder (3) filled with hydraulic fluid. A rebound cushion (8) is fitted to an outer circumferential surface of the piston rod (5) in the cylinder (3). A ... | 10/28/2008 |
| 7438164 | Solenoid actuated continuously variable servo valve for adjusting damping in shock absorbers and struts A shock absorber includes a pressure tube with a piston slidably disposed therein. A separate valve includes a fluid circuit for fluid low in rebound and a fluid circuit for fluid flow in compression. Each fluid circuit includes a variable orifice which allows selec... | 10/21/2008 |
| 7431134 | Gas spring The invention relates to a gas spring which uses a compensating medium acting on a compensating piston in order to compensate the dependence on temperature of its characteristic. According to a first aspect of the invention, a compensating medium (16M) is sel... | 10/07/2008 |
| 7422199 | Self-pumping hydropneumatic suspension strut unit Self-pumping hydropneumatic suspension strut unit with internal level control, with an oil-filled working cylinder subject to the pressure of gas cushions and with a damping piston, which is free to slide inside the cylinder and is mounted at the end of a hollow pis... | 09/09/2008 |
| 7364142 | Spring strut unit for suspension systems of motor vehicles Spring strut unit for suspension systems of motor vehicles with a fastening connection on the body side and another fastening connection on the wheel side; with a helical spring supported between the body and the wheel; and with a vibration damper installed between ... | 04/29/2008 |
| 7357232 | Front fork in two-wheeled motor vehicle or the like In an inverted type front fork in a two-wheeled motor vehicle or the like, a stopper plate having a through hole formed in a center portion is fitted to an inner periphery of an upper end portion of an inner tube. A rod attached to an outer tube is inserted into the... | 04/15/2008 |
| 7347307 | Integrated damping adjustment valve A variable damper assembly (10) includes a cylinder head (42) with multiple valves (50) selectively blocking corresponding flow paths (54) to provide multiple dampening rates. Hydraulic fluid passing through flow paths (54) within ... | 03/25/2008 |
| 7325661 | Hydraulic front fork with lockout function A hydraulic front fork includes a fixed locking mechanism mounted in the upper fork tube, and a first adjustment mechanism mounted in the top end of the upper fork tube adjustable to control the flowing path of the hydraulic fluid through the locking mechanism such ... | 02/05/2008 |
| 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 |
| 7308976 | Hydraulic dampers with pressure regulated control valve A suspension damper includes a housing bounding a main chamber. A hydraulic fluid is disposed within the main chamber. A piston rod is selectively movable between an advanced position wherein a portion of the piston rod is advanced into the main chamber and a retrac... | 12/18/2007 |
| 7273137 | Inertia valve shock absorber A damper including an inertia valve movable between an open position and a closed position to selectively alter the compression damping rate of the shock absorber is disclosed. In these embodiments, the damper has at least one chamber that at least partially surroun... | 09/25/2007 |
| 7270222 | Externally adjustable internal bypass shock absorber A shock absorber that combines both the suspension function and the shock absorbing function in one unit. It has an elongated shock body filled with hydraulic fluid and a piston mounted on a piston rod that reciprocally travels within the shock body. The shock body ... | 09/18/2007 |
| 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 |
| 7264300 | Fastening element for a spoiler wing of a motor vehicle For the fastening of an adjustable spoiler wing of a motor vehicle, a fastening element is provided which is fastened to the outer tube of an adjusting cylinder and consists of a receiving element with a fit-on sleeve fastened thereto, the fit-on sleeve having a sle... | 09/04/2007 |
| 7261194 | Bicycle suspension assembly with isolated inertia mass A bicycle suspension assembly including a damper body and having a valve, including a moveable inertia mass, movable between first and second positions to selectively alter the compression damping rate of the bicycle suspension assembly is described. The valve and e... | 08/28/2007 |
| 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 |
| 7243766 | Rebound cushion for hydraulic shock absorber A cylindrical rebound cushion (8) is fitted to an outer circumference of a piston rod (5) inserted in a cylinder (3) of a hydraulic shock absorber (1). An upper end surface (8a) of the rebound cushion (8) comes Into c... | 07/17/2007 |
| 7240775 | Shock absorber A shock absorber of a built-in damper type is provided with a rod guide portion one end of which is fixed to an end of a cylinder for a damper, the rod guide portion slidably supporting a rod, and an oil lock piece disposed in the other end of the rod guide portion,... | 07/10/2007 |
| 7225906 | Vibration damper having a joint eye Vibration damper cylinder, in which a piston rod is guided with freedom of axial movement, where the cylinder has a compensating space, the volume of which is partially determined by an outer sleeve of a joint eye attached to the cylinder. The joint eye has an inner... | 06/05/2007 |
| 7216861 | Protective sleeve for adjustable shock absorber A cylindrical sleeve is inserted between the body of a competition shock absorber and its adjustable compression spring to protect the body from undue wear created by rubbing of the spring on the threads formed on the external surface of the shock. Different color s... | 05/15/2007 |
| 7216747 | Amplitude controlled orifice valving A dual tube shock absorber includes a spool valve located between the upper working chamber and the reserve chamber. The spool valve moves with the piston rod to open and close a flow path between the upper working chamber and the reserve chamber. This provides a lo... | 05/15/2007 |
| 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 |
| 7172200 | Sealing arrangement on piston rods A sealing arrangement on piston rods with a rod guided in a cylindrical compressed-gas space, particularly on piston rods of high-pressure pneumatic springs or gas-filled shock absorbers, with at least one seal disposed on the piston rod for sealing the compressed-g... | 02/06/2007 |
| 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 |
| 7163223 | Lockout mechanism for a suspension system A suspension system that includes a simplified lockout mechanism and an adjustable blow-off mechanism. The system includes a valve mechanism and a valve actuating assembly, a valve mechanism housing and a resilient member disposed between the valve mechanism and the... | 01/16/2007 |
| 7150368 | Cushioning device having an electrically actuated lockout A rail car cushioning1 device is provided for connecting to a coupler. The rail car cushioning device includes an arrangement of a hydraulic cylinder, a piston assembly, and at least a valve assembly, which are configured with cooperating features to allow the devic... | 12/19/2006 |
| 7134670 | Rotation shaft seal A rotation shaft seal provided with a rubber sealing portion which contacts a surface of a rotation shaft and an outer case to which the rubber sealing portion is unitedly fixed. The outer case has an inner brim portion on an inner end portion on a sealed fluid side... | 11/14/2006 |
| 7118099 | Selfpumping hydropneumatic spring strut with internal level control in particular for a motor vehicle, includes a high pressure chamber containing a gas cushion acting as a spring, and a working cylinder which is filled with damping medium under pressure of the gas cushion. A working piston carried by a hollow piston rod divides the... | 10/10/2006 |
| 7097015 | Suspension system for motor vehicles A suspension system for motor vehicles includes a piston-cylinder assembly having a working cylinder, a piston rod guidably inserted in a piston rod guide in the cylinder, and a damping piston having damping valves movably arranged in the working cylinder and connec... | 08/29/2006 |
| 7090058 | Dust cover receiving structure of shock absorber A dust cover receiving structure of a hydraulic shock absorber 10 is disclosed in which a cover-receiver 50 receiving an end surface of a dust cover 30 is disposed on an upper surface of a spring seat 21. The cover-receiver 50 is f... | 08/15/2006 |
| 7070017 | Rotating apparatus for construction machine A swing mechanism for a construction machine having a grease bath seal. A grease bath can be disposed on a vehicular base carrier of the machine, and can be coupled with a swing frame. The grease bath seal can then act to prevent intrusion of pollutants or other for... | 07/04/2006 |
| 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 |
| 7055319 | Piston and cylinder assembly with volume compensating system A piston and cylinder assembly having a cylinder with a piston and a connected piston rod. The piston defines opposed chambers wherein a compensating device is disposed in at least one of the chambers. The compensating device includes a capsule of an elastic materia... | 06/06/2006 |
| 7055661 | Hydraulic shock absorber with adjusting of shock absorbing type A shock absorber (1) includes a compression chamber (2) in which a piston (3) moves along a path of travel from a near end to a far end. The chamber includes a constant force mode bleed orifice (10) adjacent the far end and a series of pr... | 06/06/2006 |
| 7048099 | Bottom valve apparatus of hydraulic shock absorber In a bottom valve apparatus of a hydraulic shock absorber in which a flow passage is formed in a bottom piece, and a check valve opening and closing the flow passage and a spring urging the check valve are fixed to one face side of the bottom piece by a fixing membe... | 05/23/2006 |
| 7025184 | Hydraulic shock absorber with self leveling function for vehicle height A hydraulic shock absorber with a self leveling function for a vehicle height is provided to prevent drop of a relief valve even if an excessive impulsive pressure is applied thereto. The relief valve is provided with a tubular valve case which is press-fitted into ... | 04/11/2006 |
