Shaft seal device

Details Shaft seal device Shaft seal device

1979-03-21

1980-09-16

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 72FM, 277152, F16J 1532, F16J 1546

Patent

active

042225752

ABSTRACT:
A shaft sealing device using seal rings having a hook shaped portion defining an inner radial lip to engage and seal the shaft. The rings are positioned symmetrically with respect to a spacer to define a sealing liquid chamber between the shaft, the spacer and the lip portion. The spacer has liquid seal passages formed therein to introduce sealing liquid. The axial length of the lip portion is shorter than the axial hight of outer peripheral surface of the seal ring and the inner peripheral surface is tapered inwardly with respect to the axis of the shaft.

REFERENCES:
patent: 2466025 (1949-04-01), Hanson
patent: 3726531 (1973-04-01), Pagan et al.
patent: 3825270 (1974-07-01), Paramonoff et al.
patent: 3847453 (1974-11-01), Herbert
patent: 4010960 (1977-03-01), Martin

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