Plenum oil seal

Details Plenum oil seal Plenum oil seal

1998-06-05

2000-08-29

Knight, Anthony

Seal for a joint or juncture

Seal between relatively movable parts

Diverse and distinct dynamic seals

277353, 277628, F16J 1532

Patent

active

061096156

ABSTRACT:
An oil seal for a locking differential mechanism. The seal assembly includes a generally flat plate with a first generally circular oil seal adjacent an outer margin of the flat plate, a circular inner margin defining an opening in the flat plate with a second oil seal surrounding the inner margin, an oil outlet opening lying in an otherwise imperforate area between the first and second margins, and a cover for the flat plate with the cover and plate defining between them a passage for oil extending from a point radially outside the first seal to at least a point adjacent the oil outlet. The seal takes in a supply of oil from the differential sump and supplies it through the oil outlet to a multi-plate clutch which is activated only when the two axles undergo rotation relative to each other and thereby actuate a Gerotor type oil pump.

REFERENCES:
patent: 2586297 (1952-02-01), Brummer
patent: 4325557 (1982-04-01), Kawamoto
patent: 4425838 (1984-01-01), Pippert
patent: 4869516 (1989-09-01), Udagawa et al.
patent: 4986552 (1991-01-01), Anzue et al.
patent: 5354073 (1994-10-01), Ecker et al.
patent: 5713579 (1998-02-01), Petrak et al.
patent: 5813830 (1998-09-01), Smith et al.
patent: 5887875 (1999-03-01), Salciccioli et al.

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