Hydropneumatic vibration damper of variable damping force

Details Hydropneumatic vibration damper of variable damping force Hydropneumatic vibration damper of variable damping force

1998-05-27

2000-10-24

Schwartz, Chris

Brakes

Internal-resistance motion retarder

Motion damped from condition detected outside of retarder

1882666, 1883222, F16F 946

Patent

active

061352500

ABSTRACT:
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 damping fluid into a working space located on the piston rod side and a lower working space. A container surrounds the cylinder at a radial distance, thereby forming a compensating space which is filled with damping fluid and gas, while the lower working space can be connected hydraulically to the compensating space via a bottom valve and an electromagnetically actuable valve device is provided between the interior of the cylinder and the compensating space. The entire electromagnetically actuable valve device, taking effect between the interior of the cylinder, preferably the working space located on the piston rod side, and the compensating space, is arranged on that side of the bottom valve which is opposite the cylinder.

REFERENCES:
patent: 4971180 (1990-11-01), Kobayashi
patent: 5180039 (1993-01-01), Axthammer et al.
patent: 5205385 (1993-04-01), Ashiba
patent: 5386893 (1995-02-01), Feigel
patent: 5392885 (1995-02-01), Patzenhauere et al.
patent: 5472070 (1995-12-01), Feigel

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