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| Number | Title | Issue Date |
| 7364143 | Adjustable suspension fork A suspension front fork includes a lower tube with a closed bottom and an upper tube is movably inserted in the lower tube. Hydraulic oil is filled in the lower tube and has an oil level in the upper tube. A damper assembly is fixedly received in the upper tube and ... | 04/29/2008 |
| 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 |
| 7338037 | Rubber bearing with path delimiters A rubber bearing with a bearing body implemented as an elastomer spring, wherein the spring travel of the bearing body is limited in at least one damping direction by path delimiters. The path delimiter(s) are formed by at least two corresponding stop elements, wher... | 03/04/2008 |
| 7329220 | Sheet punching and embossing machine A sheet punching and embossing machine includes a device for punching blanks from sheets. The device has a frame and a bearing plate is mountable in the frame. The bearing plate is equipped with punching and grooving knives. Hydraulically activated clamping elements... | 02/12/2008 |
| 7284644 | Multiple load path air spring assembly An air spring assembly, for use on an associated vehicle suspension system having a mounting member and a damping member, includes spaced apart first and second end members. A flexible wall is secured on the first and second end members and defines a spring chamber ... | 10/23/2007 |
| 7214902 | Low impact spot welding cylinder with dual pistons The present invention provides a weld cylinder having a dual piston arrangement. The cylinder has a middle separator separating the cylinder into two cavities. A retract piston assembly is arranged within one cavity. One of the pistons is arranged in the retract pis... | 05/08/2007 |
| 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 |
| 7159699 | Adjustable shock absorber A shock absorber is provided and includes a first end adapted for connection to a vehicle, a second end adapted for connection to the vehicle, a case containing a piston rod and a piston valve and a compression adjustment device disposed exterior to the case, wherei... | 01/09/2007 |
| 7137624 | Fluid-elastomeric damper assembly including internal pumping mechanism A fluid-elastomeric damper assembly operable for damping relative motion between a first structure and a second structure including a housing structure grounded to the first structure and a plurality of elastomer seals coupled to the housing structure, the housing s... | 11/21/2006 |
| 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 |
| 7124865 | Pressure regulating dampers A damper includes housing bounding a chamber. A barrier is movably disposed within the chamber so as to divide at least a portion of the chamber into a pressure compartment and a control compartment each having a volume, the volume of the pressure compartment and th... | 10/24/2006 |
| 7077390 | Suspension strut unit with a height-adjustable spring collar Spring strut comprising a cylinder, with respect to which the axial position of a spring collar can be adjusted, where the spring collar has a sleeve section, by which it is connected to the cylinder, where, on the cylinder side, a chamber is provided, which is at l... | 07/18/2006 |
| 7077052 | Strut assembly with inverted air spring configuration An air spring assembly is mounted to a shock absorber to form a strut assembly. The shock absorber includes an outer cylinder with a shock piston and piston rod mounted within the outer cylinder. The outer cylinder includes a shock mount that is attached to a vehicl... | 07/18/2006 |
| 7025367 | Adjustable air cushion bicycle seat An adjustable air cushion bicycle seat hydraulic ram system mounted within the seat post of a bicycle with one end of the ram attached to the bicycle seat, and the other end of the ram in communication with an internal reservoir associated with an adjustable pressur... | 04/11/2006 |
| 7025343 | Adjusting method and adjusting mechanism for remedying the coil pitch tolerance and fatigue deformation of adjustable helical spring In an adjusting method for remedying the coil pitch tolerance and fatigue deformation of an adjustable helical spring, an adjusting mechanism is mounted at one end of the casing for the adjustable helical spring for changing the precompression or the pretension of t... | 04/11/2006 |
| 7017719 | Vibration damper with adjustable damping force A piston is guided with freedom of axial movement in a damping medium-filled pressure tube, the piston dividing the pressure tube into a working space on the piston rod side of the piston and a working space on the side away from the piston rod. The medium can flow ... | 03/28/2006 |
| 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 |
| 6715777 | Wheel suspension for land vehicles A wheel suspension for land vehicles that is provided with a spring resting against at least one seat, with a dashpot, and with an attachment for a stabilizing rod, whereby one seat can be adjusted axially parallel to the spring. The object of the invention is to al... | 04/06/2004 |
| 6698729 | Gas spring having a controllable output force A gas spring for moving a load relative to a body includes a cylinder member having an axis, an inner surface forming a chamber, a rod end and a closed end, a piston rod seal/guide received in the rod end of the cylinder member, and a piston rod received ... | 03/02/2004 |
| 6676119 | Adjustable suspension strut for a motor vehicle and method of adjusting a suspension strut An adjustable suspension strut for a motor vehicle includes a damping element enveloped by a spring, a first ring cylinder axially slidable relative to the damping cylinder, a second ring cylinder disposed between the damping cylinder and the first ring c... | 01/13/2004 |
| 6412759 | Method for controlling system including a controllable air spring and a controllable shock absorber connected in parallel The invention relates to a system which includes an air spring (2) which, in turn, encloses an air volume (16). The system also includes a controllable shock absorber (4) connected in parallel to the air volume. Furthermore, the system includes an ancilla... | 07/02/2002 |
| 6364295 | Bearing for a power unit A power unit bearing, in particular for motor vehicles, is characterized by mechanically integrally joining a conventional bearing, in particular a hydraulic bearing, to a connectable or disengageable hydraulic switching module for the purpose of matching... | 04/02/2002 |
| 6361027 | Shock absorber with flexible connection between an airlift component and top mount An air lift shock absorber for an automotive suspension system includes a damping piston slidable within a housing, a piston rod extending from the housing to a top mount assembly including a rigid top mount housing and a force absorbing member within the... | 03/26/2002 |
| 6227527 | Pneumatic suspension system A pneumatic suspension system forming a McPherson strut has a pneumatic suspension pot with an integrated strut bearing, pneumatic suspension bellows made of an elastomer material, a pneumatic suspension piston, an outer guide and a damping device. The es... | 05/08/2001 |
| 6152432 | Fluid pressure springs A fluid pressure spring (8), such as for opening the hatchback door of a vehicle, comprises a hollow cylinder (10) having a fixture (24) for pivotal connection to the hatchback door. A piston (30) is connected to a hollow piston rod (114) which carries a ... | 11/28/2000 |
| 6079725 | Folding wheelchair with improved suspension system A wheelchair includes an independent suspension system having a spring and a shock absorber located between the chair and the wheel. The load exerted by the spring and the damping provided by the shock absorber are both variable in order to tune the indep... | 06/27/2000 |
| 6015030 | Vibration damper with variable damping force A vibration damper with variable damping force, including a cylinder, a piston and a piston rod arranged in the cylinder so as to be axially movable, an adjustable damping valve connected between the piston rod and the cylinder, and controlled as a functi... | 01/18/2000 |
| 5988607 | Self-pumping hydropneumatic strut with an internal level control A self-pumping hydropneumatic strut with an internal level control, especially for automobiles, has a power cylinder. The power cylinder is under the pressure of at least one gas pad acting as a spring. The gas pad is placed in a high-pressure chamber, wh... | 11/23/1999 |
| 5984286 | Apparatus for the height-adjustable support of a wheel or an axle on a vehicle body In an apparatus for the height-adjustable support of a vehicle body wherein each wheel suspension includes a control device with a piston and cylinder unit to which fluid under pressure is supplied, each piston and cylinder unit includes a hollow piston r... | 11/16/1999 |
| 5762295 | Dynamically optimized engine suspension system A method is described for identifying the primary load path of a particular engine. An elastomeric mount may then be made laterally soft in a first (in the disclosed case, the tangential) direction and more rigid in the direction of the primary load path.... | 06/09/1998 |
| 5707044 | Device forming a hydraulic jack and usable in a hydropneumatic suspension for automotive vehicles A hydraulic jack includes three chambers (3, 4, 5), two of these three chambers being annular and enclosing a sliding cylindrical element (8) including a first piston (9) delimiting the two annular chambers (3, 4), and a second piston (10) delimiting the ... | 01/13/1998 |
| 5676353 | Hydraulic lever actuator An actuator having a linear current force characteristic comprises a moving coil transducer and a hydraulic lever. The moving coil is capable of producing only a relatively low force but with a relatively large displacement. The coil is formed on a piston... | 10/14/1997 |
| 5577771 | Suspension system for vehicle This invention relates to a suspension system which can improve controllability and stability of the vehicle and ride comfort by automatically controlling a height of a roll center in accordance with the vehicle's running conditions. To achieve this, a ro... | 11/26/1996 |
| 5556082 | Cushion unit A cushion unit includes a shock absorber and a suspension spring. The shock absorber includes an open/close valve and a check valve which are arranged in parallel with each other. To increase the height of a vehicle body, the open/close valve is closed so... | 09/17/1996 |
| 5549284 | Hydraulically controlled engine mounting device of an automotive vehicle A hydraulically controlled engine mounting device for mounting an engine to a body of a vehicle, includes a plurality of hydraulic pressure chambers controlled by a single solenoid valve for effectively reducing vibrations at most frequency vibrations. Mo... | 08/27/1996 |
| 5460355 | Adjustable shock absorber An adjustable shock absorber is provided having means for adjusting the damping curves and breakover characteristics of the shock absorber while the shock absorber is installed in a vehicle. The shock absorber has a generally elongated cylindrical body de... | 10/24/1995 |
| 5449188 | Bicycle front wheel suspension A front fork assembly having an axially movable partitioning wall member disposed in its lower portion such as to define the lower end of an oil chamber in it. In the front fork assembly, a gas chamber is formed over the oil chamber. An operating pin exte... | 09/12/1995 |
| 5423523 | Integrated hydraulic mount for active vibration control system An actively controlled mount system to control vibration which permits static forces from a machine while decoupling the transmission of dynamic vibrational forces. The mount system provides a reduction of force losses from a first generating area to a se... | 06/13/1995 |
| 5401053 | Motor vehicle suspension system A suspension system for motor vehicles has each wheel assigned a spring and a hydraulic unit and arranged in series with the latter. The ground clearance of the vehicle body can thus be altered wheel-by-wheel. A hydraulic feed system enables hydraulic flu... | 03/28/1995 |
| 5400880 | Bi-linear platform reactive damper A bi-linear platform reactive damper for automotive type vehicles, which includes a damper housing having a chamber with a damper piston in it, which piston has a rod extending from it connected to the suspension of the vehicle, which chamber is filled wi... | 03/28/1995 |
