Brakes – Internal-resistance motion retarder – Controlled by an operator remote from retarder
Patent
1991-04-11
1992-08-18
Halvosa, George E. A.
Brakes
Internal-resistance motion retarder
Controlled by an operator remote from retarder
137503, 188319, 251209, F16F 946
Patent
active
051391198
ABSTRACT:
In an apparatus for damping resilient wheel suspension systems in vehicles and the like having a piston/cylinder assembly, instantaneous, dynamic driving conditions are detected with sensors and serve to control the fluid flow through damping valves. The operative damping force at any time is controlled in such a way as to produce passive and active damping force components. Whenever the instantanteous course of motion requires a supply of energy from outside, the existing damping force is substantially nullified (semi-active damping). Separate options for acting upon the controlled pressure fluid are provided for the compression stage and tension stage; these options comprise the series circuit of two separate valves, one for each direction of motion (tension/compression stage). Four valves are thus present, with one each in the tension stage and one each in the compression stage for determining the active damping component and similarly one each for determining the passive damping component. The two valves for the passive damping component and the two for the active damping component are each externally adjustable.
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Greigg Edwin E.
Greigg Ronald E.
Halvosa George E. A.
Robert & Bosch GmbH
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