Self-lubricating seal

Details Self-lubricating seal Self-lubricating seal

1973-05-21

1976-08-10

Spar, Robert J.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 961, 277153, 308 361, 308240, F16C 3372, F16J 1544, F16J 1554, F16C 3100

Patent

active

039737810

ABSTRACT:
A seal or packing engages a rotary machine part, e.g. a shaft, to be sealed off. Lubricant is drawn into the extended sealing area between the seal and the machine part and retained therebetween as a packing fluid, when the machine part rotates, regardless of the direction of rotation. Two or more sealing rings in tandem can be used as a self-lubricating packing ring or slide bearing.

REFERENCES:
patent: 1882956 (1932-10-01), Sandler
patent: 3497225 (1970-02-01), Workman
patent: 3620540 (1971-11-01), Jagger et al.
patent: 3785660 (1974-01-01), Bush
patent: 3801113 (1974-04-01), Jackson

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