Adjustable vibration damper with valve body in piston having dir

Details Adjustable vibration damper with valve body in piston having dir Adjustable vibration damper with valve body in piston having dir

1990-07-20

1992-01-07

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Position of thrust member relative to chamber

188299, 18832215, 251 38, F16F 946, F16F 934

Patent

active

050782401

ABSTRACT:
Adjustable vibration damper for motor vehicles with a cylinder containing damping fluid, an axially-movable piston rod immersed therein, and a damping piston attached to the piston rod, which divides the cylinder into two work chambers, whereby a damping valve equipped with a valve body and a control edge controls the effective cross section of a damping passage. The valve body has an antechamber which is in communication with the upper and lower work chamber by means of at least one passage having a check valve, and that starting from the antechamber, there is a constant throttle cross section to the back side of the valve body to pressurize a control pin controlling a throttle passsage of the valve body.

REFERENCES:
patent: 2020833 (1935-11-01), Hansen
patent: 2694544 (1954-11-01), Hall
patent: 3339680 (1967-09-01), Tuneblom
patent: 4401196 (1983-08-01), Grundei
patent: 4723640 (1988-02-01), Beck
patent: 4732408 (1988-03-01), hlin
patent: 4749070 (1988-06-01), Moser et al.
patent: 4785920 (1988-11-01), Knecht et al.
patent: 4850460 (1989-07-01), Knecht et al.
patent: 4850461 (1989-07-01), Rubel
patent: 4880086 (1989-11-01), Knecht et al.
patent: 4896867 (1990-01-01), Schyboll et al.

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