Single split oil seal

Details Single split oil seal Single split oil seal

1996-02-29

1997-01-28

DePumpo, Daniel G.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277164, 277216, F16J 906

Patent

active

055971687

ABSTRACT:
A single split oil seal is disposed between and completely encircles a rotating journal and a corresponding journal case to prevent unwanted fluid leakage. The seal includes an annular seal body with an inner radial periphery and an outer radial periphery. A lip is integrally joined to the seal body at the inner radial periphery of the seal body and extends radially inwardly to sealingly engage the journal. An annular retaining ring such as a garter spring is embedded in the seal body which urges the seal body radially outwardly to sealingly engage the case. The retaining ring has unassembled ends, the seal body including a single split extending radially between the unassembled ends.

REFERENCES:
patent: 2210723 (1940-08-01), Kosatka
patent: 2731284 (1956-01-01), Chambers et al.
patent: 3106406 (1960-06-01), Liebig
patent: 3180650 (1965-04-01), Liebig
patent: 3700296 (1972-10-01), Bugmann
patent: 3827703 (1974-08-01), Brink
patent: 4629200 (1986-12-01), Ruddy
patent: 4739997 (1988-04-01), Smetana

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