Rotary seal assembly

Details Rotary seal assembly Rotary seal assembly

1994-05-17

1996-02-20

DePumpo, Daniel G.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 38, 277152, F16J 1532

Patent

active

054923395

ABSTRACT:
A seal assembly for a vehicle wheel assembly is provided for use between its two relatively rotatable, coaxial parts to seal the inner bearing chamber. The seal assembly includes a pair of nested casings forming an S-shaped recess in cross section defining inner and outer annular C-shaped concavities. Each casing has a peripheral seal extending radially from a peripheral edge and flexing against the inside sealing surface of the opposite casing to form a seal interface along the circular line of contact. Inner and outer annular floating wafer seals are disposed within the recess formed by the two casings and are pressed against the adjacent sealing surface within their respective concavities. The opposite edges of each independent wafer seal form additional seal interfaces making six total. Each wafer seal is self centering within its respective concavity.

REFERENCES:
patent: 4516783 (1985-05-01), Mitsue
patent: 4792243 (1988-12-01), Takeuchi et al.
patent: 5022569 (1991-06-01), Otto
patent: 5024364 (1991-06-01), Nash
patent: 5024449 (1991-06-01), Otto
patent: 5096207 (1992-03-01), Seeh et al.
patent: 5147139 (1992-09-01), Lederman
patent: 5201533 (1993-04-01), Lederman
patent: 5207436 (1993-05-01), Lederman

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