Oil seal apparatus

Details Oil seal apparatus Oil seal apparatus

1977-04-04

1979-01-16

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277165, 277DIG4, 277214, 123 4147, F16J 1532, F01P 510

Patent

active

041345967

ABSTRACT:
An oil seal apparatus, particularly for use with a vehicle engine, wherein an oil seal coacts between a stationary casing and a rotatable shaft which projects through the casing. The oil seal apparatus includes an annular elastomeric seal member having a pair of axially spaced annular lip portions disposed for engagement with the shaft. One lip portion is positioned innermost for creating an oil seal, and the other lip portion is positioned outermost for creating a dust seal. This other lip portion is provided with a auxiliary annular lip which projects axially outwardly along the shaft. The auxiliary lip has an annular groove around its periphery to facilitate transfer of water around the seal member and prevent the water from flowing axially inwardly along the shaft past the dust seal.

REFERENCES:
patent: 2516191 (1950-07-01), Englesson
patent: 2868574 (1959-01-01), Rich
patent: 2992027 (1961-07-01), Wright et al.
patent: 3099454 (1963-07-01), Walinski
patent: 3455564 (1969-07-01), Dega
patent: 3510138 (1970-05-01), Bowen et al.
patent: 3531168 (1970-09-01), Bainard
patent: 3713659 (1973-01-01), Derman et al.
patent: 3917286 (1975-11-01), Loyd

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