Land vehicles – Wheeled – Running gear
Patent
1986-09-19
1988-01-26
Bertsch, Richard A.
Land vehicles
Wheeled
Running gear
B60G 1126
Patent
active
047213272
ABSTRACT:
A suspension system for vehicles includes an arm that can oscillate relative to a support. The arm has an angular position of equilibrium relative to the support. Rotation of the arm is damped by a system comprising two complementary friction brake members, one fastened to the arm and the other to the support. The complementary brake members are pressed together to impede such rotation. The force with which the brake members are pressed together is conditioned according to the speed of rotation of the arm relative to the support. The damping curve may therefore be of any required shape, and in particular procure a constant damping force from a predetermined threshold of the speed of rotation of the arm relative to the support. This considerably simplifies dealing with heating problems arising from the damper action.
REFERENCES:
patent: 3047283 (1962-07-01), Kivell
patent: 3521527 (1970-07-01), Gies et al.
patent: 4447073 (1984-05-01), Brandstadter
Chambon Claude A.
Chauveau Jean-Marc
Bertsch Richard A.
Lucas France S.A.
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