Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1983-10-03
1984-07-03
Ward, Jr., Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277212C, 277226, F16J 1546
Patent
active
044575181
ABSTRACT:
A seal for a large annular opening between two generally cylindrical surfaces. The seal being formed of a first portion having a base ring and a toroidal shaped arcuate portion extending from the central portion of the base ring, a lip portion extending radially inwardly and toward the high pressure portion from the end of the arcuate portion and a second portion having a base ring, both base rings being affixed to one of the cylindrical surfaces. The second base ring being disposed on the high pressure side of the first base ring and there being ribbons extending between the first portion and the second portion. The ribbons being made of a high strength material and being disposed on a predetermined pitch and attaching the free end of the first portion to the second portion to prevent the arcuate toroidal shaped portion from inverting, even though it is compliant and deforms substantially under pressure.
REFERENCES:
patent: 1700894 (1929-02-01), Joyce et al.
patent: 1942366 (1934-01-01), Seamark
patent: 2778432 (1957-01-01), Allen
patent: 3604732 (1971-09-01), Malone
patent: 4033593 (1977-07-01), Molnar et al.
patent: 4349204 (1982-09-01), Malone
Connell Jeffrey P.
Endo Jerry K.
Baehr, Jr. F. J.
Ward, Jr. Robert S.
Westinghouse Electric Corp.
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