Shaft seal ring

Details Shaft seal ring Shaft seal ring

1976-12-17

1978-04-18

Ross, Herbert F.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

B61F 1522

Patent

active

040848264

ABSTRACT:
A shaft seal ring has a resilient sealing lip provided with a contact face oriented at an inclined angle with respect to the seal ring axis. The contact face includes a sealing edge for circumferentially engaging the surface of a shaft on which the shaft seal ring is mounted. The contact face has a plurality of circumferentially disposed ribs oriented at alternatingly opposite inclination with respect to the sealing edge. Any adjoining, oppositely inclined two ribs meeting in a point of intersection on the sealing edge form first rib pairs. A second rib pair is provided in the area bounded by the one and the other rib of each first rib pair; the one and the other rib forming each second rib pair terminates on, and is oppositely inclined with respect to, the one and the other rib of the associated first rib pair.

REFERENCES:
patent: 3620540 (1971-11-01), Jagger
patent: 3801113 (1974-04-01), Jackson
patent: 3973781 (1976-08-01), Grarich

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