Energy damping device

Details Energy damping device Energy damping device

1988-12-21

1990-09-11

Oberleitner, Robert J.

Brakes

Frictional vibration damper

188134, 267134, F16F 1300, F16F 700, B60T 712

Patent

active

049554670

ABSTRACT:
An energy damping device that includes a piston-cylinder assembly having a cylinder and a piston movable therein. A pre-loaded double acting spring, and a friction assembly, are enclosed fully within the cylinder, and engage the piston concentrically. The spring acts against the friction assembly for forcing it into frictional engagement with the inner surface of the cylinder. The friction assembly includes at least one wedge for engaging the interior surface of the cylinder. The friction assembly further includes a plurality of spaced-apart compression rings, that are interleaved with the wedges, for forcing them into radially outwardly directed frictional engagement with the interior surface of the cylinder.

REFERENCES:
patent: 1816401 (1931-07-01), Rolland
patent: 2404666 (1946-07-01), Snyder
patent: 2615535 (1952-10-01), Snyder
patent: 2732767 (1956-01-01), Herlach
patent: 2747696 (1956-05-01), Blattner
patent: 3009747 (1961-11-01), Pitzer
patent: 3575087 (1971-04-01), Sherwood
patent: 3603577 (1971-09-01), DeRaad
patent: 4010940 (1977-03-01), Freyler
patent: 4396096 (1983-08-01), de Groot et al.
patent: 4481974 (1984-11-01), Schmitt et al.

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