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| Number | Title | Issue Date |
| 8186657 | Air spring modular piston A modular piston assembly is associated with an air spring assembly that has a bellows rolling over a surface of the piston assembly. The modular piston assembly includes a first piston portion adapted to fasten to an associated air spring bellows. A second piston p... | 05/29/2012 |
| 7806391 | Self-indexing spacer for air spring assembly An air spring spacer for use in mounting an associated air spring in spaced relation to an associated vehicle component. The air spring spacer includes a spacer body, a first indexing feature, and a second indexing feature complementary to the first indexing feature... | 10/05/2010 |
| 7331571 | Integrated solenoid valve and air spring assembly A portion of the housing of an air operated leveling device is configured to integrally include an air valve receptacle which receives thereinside a solenoid valve. The housing carries an air fitting and an electrical connector which are interconnected with the sole... | 02/19/2008 |
| 7328887 | Self-indexing spacer for air spring assembly An air spring spacer for use in mounting an associated air spring in spaced relation to an associated vehicle component. The air spring spacer includes a spacer body, a first indexing feature, and a second indexing feature complementary to the first indexing feature... | 02/12/2008 |
| 7322895 | Automotive accessory drive system The apparatus of the present invention provides an improved automotive accessory drive system. The automotive accessory drive system including a drive pulley operatively connected to an engine, and a plurality of driven pulleys operatively connected to one of a plur... | 01/29/2008 |
| 7270317 | Fluid suspension member having grooved inlet A fluid suspension member having a flexible wall at least partially defining a fluid chamber and having a passage formed therethrough. A connector fitting is received within the passage, and a groove extends into the flexible wall adjacent the passage. A method is a... | 09/18/2007 |
| 7226044 | Rolling-lobe air spring An air spring includes a flexible member, a roll-off piston and a cover plate. The piston includes a slot at its upper end for receiving the end of the flexible member applied with the aid of a clamp ring. The piston includes a flange for deflecting the flexible mem... | 06/05/2007 |
| 7188827 | Gas spring with a protective sleeve for a rolling bellows Gas spring includes a cover which works together with a rolling bellows and a bottom part to form a gas-filled spring space, where at least part of the outside surface of the rolling bellows is covered by a sleeve. The sleeve provides a receptacle for at least one s... | 03/13/2007 |
| 7182191 | Motion damper The motion damper includes a damper wall, damper stages, and a damper head. The damper wall and damper stages are successively smaller in size and have a nested relationship. The damper wall and damper stages are each flexibly attached to an adjacent damper stage or... | 02/27/2007 |
| 7178794 | Fluid isolator assembly and floating elastomeric damping element An isolator apparatus is described to attenuate or isolate vibration. The isolator apparatus includes a fluid isolator assembly including a flexible diaphragm and a pressure chamber having a flow passage opened to the pressure chamber to provide a fluid spring. A fl... | 02/20/2007 |
| 7175165 | Air spring and shock absorber assembly for use in suspension systems An air spring and shock absorber unit for use in vehicle suspension systems or cab suspension systems comprising a shock absorber mounted within an air spring. The lower end of the air spring bellows is attached to the air spring piston in such a manner which enable... | 02/13/2007 |
| 7156382 | Dual airbag airspring An air spring assembly includes a primary airbag mounted to a piston air bag such that the piston airbag provides a rolling surface for the primary airbag. A change in the piston airbag pressure changes the effective rate of the primary air spring. A relatively smal... | 01/02/2007 |
| 7150451 | Air spring and jounce shock assembly The present invention concerns an air spring and jounce shock assembly for use in an automotive vehicle suspension system. The assembly may include a base adapted to be mounted on one of an axle assembly and a suspension component, a top cap adapted to be attached t... | 12/19/2006 |
| 7127978 | Circular saw machine A circular saw machine having a saw blade (1) that is movably held for back and forth motion during the sawing process. A forward and a rearward saw blade guide (4, 5) ensure the stability of the saw blade (1) while sawing. The saw blade guides ... | 10/31/2006 |
| 7125008 | Air-spring vibration isolation device A vibration isolation device including a stationary housing; a movable top plate positioned horizontally above the stationary housing; an airtight flexible member forming an airtight pressure chamber between the movable top plate and the stationary housing; a vibrat... | 10/24/2006 |
| 7114599 | Protective sleeve A protective sleeve made of an elastic material for a piston-cylinder unit with a piston disposed in a cylinder bore in an axially displaceable manner. The protective sleeve is provided with annular end segments that can be supported on the outer piston wall on one ... | 10/03/2006 |
| 7100908 | Shock absorber/pneumatic spring strut The invention relates to a damper arrangement, in particular an air spring strut, comprising a shock absorber having an essentially cylindrical housing and an air spring with a working space which is under internal pressure, and comprising an additional volume which... | 09/05/2006 |
| 7090171 | Momentum stabilized launch vehicle upper stage A spacecraft system including a spacecraft assembly or “stack” having an upper stage of a rocket-powered launch vehicle providing a final boost phase during launch. The stack also includes a payload structure rotatably interconnected with the upper stage. The up... | 08/15/2006 |
| 7083163 | Booster with spring to adapt air spring pressure for load dependent shock absorber A suspension system for a vehicle includes a frequency dependent damper (FDD) or shock absorber defining a first pressurized working chamber and an air spring assembly defining a second pressurized working chamber. A booster enables pressure communication between th... | 08/01/2006 |
| 7051617 | Methods and apparatus for tuned axial damping in rotating machinery with floating bearing cartridge An apparatus and method for selecting an appropriate viscous fluid for use in control moment gyroscopes, reaction wheels, momentum wheels and the like. Components such as the housing, the rotor, and the viscous fluid are modeled using a three-parameter isolator syst... | 05/30/2006 |
| 7036803 | Switchable hydraulic vibration damping mount The present invention relates hydraulic mounts for mounting between two rigid elements, such as an engine and a vehicle frame, so as to damp and filter vibrations occurring essentially in a main direction, between said elements, the mount comprising: ... | 05/02/2006 |
| 7032896 | Piston-cylinder assembly with a bellows Piston-cylinder assembly, comprising a container tube, in which a piston rod is guided with freedom of axial movement, which rod is at least partially covered by a sheath tube with at least one elastic fold, where a resilient stop pad is provided concentrically to t... | 04/25/2006 |
| 6962330 | Vibration damper A vibration damper includes a damping element and a pneumatic spring, where the damping element has a container tube, a fastening part, and a piston rod, and where the pneumatic spring consists of a spring bellows acting as a roll bellows, an outer tube connected to... | 11/08/2005 |
| 6957806 | Airspring assembly An improved airspring assembly includes a collapsible support member disposed within the pressurizable chamber of an airspring having a flexible sidewall. The support member is configured such that it extends and collapses along a longitudinal axis of the chamber re... | 10/25/2005 |
| 6945548 | Air spring and air spring mounting assembly A non-torque reactive air suspension exhibiting excellent roll stability characteristics is shown to include frame hangers mounted to frame rails extending longitudinally on opposite sides of a vehicle. Longitudinally extending beams are connected to the frame hange... | 09/20/2005 |
| 6926264 | Air spring upper retainer An air spring (1) has a cylindrical flexible sleeve (2) secured at each end to form a fluid chamber (14). One end (6) of the sleeve (2) is secured to a retainer (8). The retainer (8) has a ribbed reinforcement structu... | 08/09/2005 |
| 6923433 | Pneumatic spring with integrated control valve Pneumatic spring with at least one control valve inside the pneumatic spring with control positions for feeding, blocking, and discharging compressed air, which valve is actuated by a control element also installed inside the pneumatic valve. The control element act... | 08/02/2005 |
| 6923434 | Dual height airspring having adjusted spring rate An air spring having a relatively low and a relatively high spring height includes a retainer, a base housing, an elastomeric sleeve secured to the retainer at a first end and secured to the base housing at a lower end to form a chamber, the elastomeric sleeve expan... | 08/02/2005 |
| 6905113 | Double rolling-lobe spring arrangement A double rolling-lobe flexible member spring arrangement (2) includes two coaxial spring components (4a and 4b) which are arranged opposed to each other. The spring components essentially each include a rolling-lobe flexible member... | 06/14/2005 |
| 6883651 | Dust cover receiving structure of hydraulic shock absorber A dust cover receiving structure of a hydraulic shock absorber in which a seat rubber is interposed between a suspension spring and a spring seat. The seat rubber has a spring receiving portion which is arranged between the suspension spring and the spring seat, a c... | 04/26/2005 |
| 6820866 | Attenuator apparatus An attenuator apparatus has an outer housing with a first chamber filled with a first fluid, and a bellows member of elastomeric material mounted in the first chamber and having a second chamber filled with a second fluid, the bellows member having a first end facin... | 11/23/2004 |
| 6817597 | Spring-and-shock absorber system having differential roll bellows A combined spring-and-shock-absorber system for supporting wheel suspensions or axles on a vehicle body has a tubular roll bellows (U-bellows) arranged between a wheel-bearing or wheel-controlling connection and a connection on the vehicle body side, the bellows bei... | 11/16/2004 |
| 6814347 | Booster to adapt air spring pressure for FDD shock absorber A suspension system for a vehicle includes a frequency dependent damper (FDD) shock absorber defining a first pressurized working chamber. An air spring assembly defines a second pressurized working chamber. A booster enables pressure communication between the first... | 11/09/2004 |
| 6786509 | Vehicle suspension with a dock height holding device A vehicle suspension assembly includes a height holding device that is at least partially supported within an air spring of the suspension assembly. The height holding device includes a hydraulic ram. A moveable portion of the hydraulic ram moves between a first pos... | 09/07/2004 |
| 6786476 | Airspring The present invention is directed to an airspring having an airsleeve comprising an elastomeric liner; a reinforcing layer overlaying the liner; and a colorable elastomeric cover overlaying the reinforcing layer; the cover comprising: 100 parts by weight of elastome... | 09/07/2004 |
| 6752388 | Spring arrangement having a double rolling-lobe flexible member A spring arrangement includes two coaxial spring components (4a, 4b) which are mounted so as to oppose each other. Each of the spring components includes a rolling-lobe flexible member (6a, 6b) and a roll-off p... | 06/22/2004 |
| 6749184 | Air spring and method for making the same An air spring includes a flexible member, which encloses an air volume, and two connecting parts. Each of the connecting parts has a clamp seat on which an end of the flexible member is attached with the aid of a clamp ring assigned to the clamp seat. The surface of... | 06/15/2004 |
| 6742775 | Air spring with two part housing An air spring includes a flexible member which, on the one hand, is attached to a housing and, on the other hand, to a roll-off piston and which encloses an air volume. The surface of the housing, which faces toward the air volume of the air spring, is charged with ... | 06/01/2004 |
| 6715744 | Air spring shock absorber module with internal load-based damping adjustment A suspension assembly is provided that includes a shock absorber having a housing filled with hydraulic fluid. An air spring is supported on the shock absorber, and the air spring includes a bladder filled with air. A valve assembly is surrounded by the fluid housin... | 04/06/2004 |
| 6712289 | Fuel injection valve A fuel injection valve, especially an injection valve for fuel injection systems of internal combustion engines, includes a piezoelectric or magnetostrictive actuator and a valve-closure member, which can be actuated by an actuator via a valve needle and interacts w... | 03/30/2004 |
