Variable friction force damper

Details Variable friction force damper Variable friction force damper

1993-07-20

1994-12-06

Bertsch, Richard A.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

60 3932, 60739, 248638, 248636, 2482881, 188381, F02C 720

Patent

active

053699521

ABSTRACT:
A variable friction force damper utilizes geometric variations in a sliding surface to vary the frictional force. In particular, variation in thickness of the member on which the sliding surface is formed produces a corresponding variation in the displacement of a compression spring. This variation in spring displacement produces a variation in the compression force exerted by the spring, i.e., the force with which the sliding member is pressed against the sliding surface. This in turn causes a variation in the frictional force which the sliding surface exerts on the sliding member. The result is a variable friction force damper having a variable damping capability which allows a controlled response at variable input levels.

REFERENCES:
patent: 1751743 (1930-03-01), Link
patent: 2981511 (1961-04-01), Suozzo
patent: 3027715 (1962-04-01), Morris
patent: 3362504 (1968-01-01), Maldarelli
patent: 3455527 (1969-07-01), Suozzo
patent: 3690413 (1972-09-01), Airheart
patent: 3826088 (1974-07-01), Nash et al.
patent: 4920742 (1990-05-01), Nash et al.
patent: 5273249 (1993-12-01), Peterson

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