| Patent Number |
Title Of Patent |
Date Issued |
| 7523817 |
Torsional vibration damper |
April 28, 2009 |
| A torsional vibration damper having a stator and a rotor provided with stator vanes and rotor wanes, respectively, which are arranged so as to form a plurality of work chambers fillable with damping medium and alternately changing their volumes during oscillation of the rotor. A damp |
| 7172058 |
Vibration damper with amplitude-dependent damping force |
February 6, 2007 |
| 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 the side away from |
| 7017719 |
Vibration damper with adjustable damping force |
March 28, 2006 |
| 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 in either directio |
| 6915885 |
Oscillation damper with adjustable damping force |
July 12, 2005 |
| Oscillation damper with variable damping force, comprising a valve device, in which an actuator for adjusting the valve device performs a rotary motion against the spring force of a torsion spring, the position of the valve device being determined from the manipulated variable of the |
| 6619445 |
Telescopic vibration damper |
September 16, 2003 |
| A telescopic vibration damper, comprising a pressure tube filled with a damping medium, in which a piston rod is arranged such that it can move axially, the pressure tube being axially displaceably guided in an intermediate tube. An annular chamber between the pressure tube and the i |
| 6428010 |
Sealing strip |
August 6, 2002 |
| A sealing strip is provided for sealing a space between two parts of a machine, for example, a rotary engine. The two parts form a groove for receiving the sealing strip. The sealing strip includes a filler piece, at least one spring element, at least one sealing body and a separating |
| 6182687 |
Pressure-dependent valve for a vibration damper |
February 6, 2001 |
| A pressure-dependent valve, for use with an adjustable vibration damper comprising a piston rod arranged in an axially movable fashion in a cylindrical tube filled with damping fluid, is controlled by a pressure transducer pressurized via a pressure connection opening. The pressure-d |
| 6145809 |
Actuator for an electromagnetically adjustable valve |
November 14, 2000 |
| An actuator for an electromagnetically adjustable valve having a drive unit which moves an adjustment element in at least one direction. The adjustment element is divided into at least two assemblies and includes a stroke setting that can be adjusted with respect to a defined operating |
| 6135250 |
Hydropneumatic vibration damper of variable damping force |
October 24, 2000 |
| Disclosed is a hydropneumatic vibration damper of variable damping force, with a cylinder which is arranged between a piston rod guide and a bottom valve and in which a piston provided with at least one valve and connected to a piston rod subdivides the cylinder interior filled with damp |
| 6082507 |
Rotary vibration damper |
July 4, 2000 |
| A rotary vibration damper having a housing, a stator having stator vanes and a rotor having vanes. The stator and the rotor are arranged in the housing so as to form at least two work chambers fillable with damping medium, which work chambers alternately change their volumes during the |
| 6044939 |
Vibration damper, for a motor vehicle, with adjustable damping force |
April 4, 2000 |
| The cylinder is filled with damping medium. The vibration damper also includes a damping valve which is active as a function of pressure. The damping force of the damping valve can be modified by means of an actuator against a spring force on a shutoff valve body. An admission valve with |
| 6035979 |
Vibration damper and a vibration damper with a damping valve having an adjustable damping force |
March 14, 2000 |
| A damping valve for a vibration damper including a cylinder filled with damping medium. A piston rod with a piston is realized in the cylinder so that the piston rod can move axially and the piston can divide the cylinder into two working chambers. The damping valve is located inside a |
| 6000508 |
Vibration damper and a damping valve with adjustable damping force for a vibration damper |
December 14, 1999 |
| A damping valve, in particular for a vibration damper, including a cylinder filled with damping medium in which a piston rod with a piston is housed. The piston rod can move axially and the piston divides the cylinder into two working chambers. The damping valve can be adjusted by means |
| 5937975 |
Vibration damper for a motor vehicle and a vibration damper having a damping valve with adjustab |
August 17, 1999 |
| A vibration damper has a cylinder filled with damping medium. In the cylinder, a piston rod with a piston is realized so that the piston can move axially. The piston divides the cylinder into two working chambers. The vibration damper also has a damping valve. The damping force of the |
| 5740890 |
Vibration damper or shock absorber with adjustable damping force arrangement having an intermedi |
April 21, 1998 |
| Intermediate tube for a vibration damper with adjustable damping force, having a tub socket which has an overlap with a valve seat body and forms a hydraulic connection to a switchable bypass valve. Inside the tube socket there is an intermediate ring which is supported by means of a |
| 5738191 |
Vibration damper |
April 14, 1998 |
| A vibration damper having a pressure tube in which a piston with a piston rod is located so that the piston can move axially. The pressure tube is divided into upper and lower working chambers. The upper working chamber is connected by a hydraulic connection to the oil sump of an equaliz |
| 5699885 |
Vibration damper with adjustable damping force |
December 23, 1997 |
| Vibration damper with adjustable damping force, comprising a pressure tube filled with damping medium, in which a piston on an axially movable piston rod divides a work chamber into a chamber closer to the piston rod and a chamber farther from the piston rod, whereby there is a flow of d |
| 5651433 |
Fluid operated oscillation damper |
July 29, 1997 |
| A fluid oscillation damper is provided with an electromagnetically controlled valve for varying the damping force of the oscillation damper. The electromagnetically controlled valve is housed within a compartment confined by two housing parts. A first housing part is fastened to a co |
| 5551541 |
Shock absorber |
September 3, 1996 |
| Shock absorber with adjustable damping force, comprising a pressure tube filled with damping medium, in which a piston on an axially movable piston rod divides a work chamber into a piston-side and a non piston-side chamber, whereby there is a damping medium flow between the two work |
| 5551540 |
Vibration damper and a vibration damper with a valve actuation device |
September 3, 1996 |
| A vibration damper is disclosed having a valve actuation device and a housing, in which housing the valve actuation device can be located. The valve actuation device has a controllable coil form, a coil core, and a movable armature for executing an actuation motion. At least a portion of |
| 5477949 |
Shock absorber |
December 26, 1995 |
| A piston rod guide is provided for a shock absorber assembly, wherein the piston rod guide has a reflux passage for returning damping fluid back to the annular space formed between the cylinder walls of the shock absorber. The reflux passage is configured in a manner such that the return |
| 5413196 |
Oscillation damper |
May 9, 1995 |
| According to an illustrative example of the present invention an oscillation damper is provided with a bypass interconnecting two fluid chambers. A main valve is provided within this bypass for allowing variation of the damping behavior of the oscillation damper. An electro-magnetic |
| 5307710 |
Two-mass flywheel |
May 3, 1994 |
| The invention proposes a two-mass flywheel for the drive line of a motor vehicle. The two-mass flywheel comprises a torsional vibration damper with, distributed over the periphery, a plurality of coil springs (31, 31') which are braced on one another via sliding shoes (43). The sliding |
| 5279183 |
Combination of a crankshaft and a flywheel |
January 18, 1994 |
| According to an illustrative example of the invention, a flywheel is screwed to a crankshaft by a central bolt. The flywheel and the crankshaft are further provided with radially extending teeth in opposite annular contact faces. These teeth are engaged such as to center the flywheel wit |
| 5083981 |
Two-mass fly-wheel for a motor vehicle |
January 28, 1992 |
| The two-mass fly-wheel for a motor vehicle includes a first fly-wheel (3) rotatable about a rotation axis (1) and containing, axially on one side, a chamber (13) limited by a substantially cylindrical inner circumferential wall (11). A second fly-wheel (7) is coaxially mounted on the fir |
| 5080215 |
Torsion vibration damper |
January 14, 1992 |
| The invention relates to torsion vibration dampers in the power transmission path of a motor vehicle with an internal combustion engine, the coil thrust springs used being particularly in the case of a considerable length in proportion to their diameter, already precurved prior to fi |
| 4641736 |
Friction clutch |
February 10, 1987 |
| The friction clutch for a motor vehicle comprises a fly-wheel having a clutch cover on which a diaphragm spring is supported through retaining bolts. The retaining bolts axially displaceably pass through the diaphragm spring and the clutch cover and are secured on the side axially remote |
