Differential surface roughness dynamic seals and bearings

Details Differential surface roughness dynamic seals and bearings Differential surface roughness dynamic seals and bearings

1989-05-26

1990-11-27

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 961, 277237R, 277DIG6, 384625, 29898, F16J 926, F16J 1516

Patent

active

049730681

ABSTRACT:
This invention relates to a dynamic seal or bearing interface having areas with different roughnesses. The different surface areas both provide asperity tip load support for the opposing interface.

REFERENCES:
patent: 1902621 (1933-03-01), Nanz et al.
patent: 2577818 (1951-12-01), Shaw
patent: 3961104 (1976-06-01), Tanner
patent: 4125637 (1978-11-01), Tanner
patent: 4834400 (1989-05-01), Lebeck

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