Damping device

Details Damping device Damping device

1979-05-07

1981-03-24

Reger, Duane A.

Brakes

With condition indicator

Electrical

308 26, F16F 910

Patent

active

042574951

ABSTRACT:
A device for damping both radial and axial motions of one mechanical part relative to another. The two parts may, for instance, be the fixed structure of a toroidal race variable-ratio transmission unit and the control sleeve of the unit. A flexible fluid-filled envelope fills the annular gap between one of these parts and the other, and the interior of the envelope is in the form of two volumes, one at each axial end and joined by a constriction in the middle. Relative radial motion between the two parts is damped by distortion of the envelope and consequent rotary movement of the fluid within. Relative axial motion is damped because the relative sizes of the two volumes change, and fluid moves from one volume to the other through the constriction.

REFERENCES:
patent: 2598726 (1952-06-01), Stempel
patent: 3101979 (1963-08-01), Mard
patent: 3141523 (1964-07-01), Dickie
patent: 3306199 (1967-02-01), Karin et al.
patent: 3494224 (1970-02-01), Fellows et al.
patent: 3653625 (1972-04-01), Plice

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