Rotary bellows seal with vibration-damping means

Details Rotary bellows seal with vibration-damping means Rotary bellows seal with vibration-damping means

1978-04-12

1979-08-07

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 42, 277 25, F16J 1536

Patent

active

041635639

ABSTRACT:
A split-ring radially expandable under centrifugal force for damping vibrations of a rotary annular bellows by pressing against the inner surfaces of at least some of the convolutions of the bellows as the speed of the bellows increases. Preferably, the split-ring is positioned in a channel for rotation with the bellows and for radial expansion as a function of the rotary movement, while restrained from axial movement with respect to the bellows.

REFERENCES:
patent: 2574808 (1951-11-01), Wolfe
patent: 3276780 (1966-10-01), Andresen et al.
patent: 3372939 (1968-03-01), Coulombe et al.
patent: 3397894 (1968-08-01), Mastriforte et al.
patent: 3515394 (1970-06-01), Stevens
patent: 3747943 (1973-07-01), Dietzel et al.

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