Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber
Patent
1987-10-20
1989-01-31
Kashnikow, Andres
Brakes
Internal-resistance motion retarder
Having a thrust member with a variable volume chamber
188299, 188317, F16F 914, B60G 1308
Patent
active
048009954
ABSTRACT:
An apparatus for damping courses of motion in particular for damping resilient wheel suspension systems in vehicles, having a damping piston that is displaceable inside a jacket tube which separates two work chambers and is connected to a piston rod. Between the work chambers there are flow connections, through which a flow is possible in only one direction, because of a unilateral actuation direction of separate check valves. The flow connections have throttle cross sections the size of which is definable by the position of a control slide inside a guide bore. The control slide is actuated via a control rod leading outside the jacket tube and is movable with two degrees of freedom. A motion in the direction of the first degree of freedom varies the throttle cross sections in the same direction, while a motion of the control slide in the direction of the second degree of freedom varies the throttle cross sections in opposite directions. The proposed apparatus is thus suitable for both passive and active damping control.
REFERENCES:
patent: 4530425 (1985-07-01), Veaux et al.
patent: 4535877 (1985-08-01), Shimokura
patent: 4650042 (1987-03-01), Knecht et al.
patent: 4696379 (1987-09-01), Yamamoto et al.
Bernhardt Wolfgang
Friedow Michael
Greigg Edwin E.
Kashnikow Andres
Le Mark T.
Robert & Bosch GmbH
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