Fluid sealing arrangement

Details Fluid sealing arrangement Fluid sealing arrangement

1981-03-09

1983-05-24

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277180, F16J 900, F16L 1700

Patent

active

043847285

ABSTRACT:
A pair of housings include fluid passages for communicating pressurized fluid therethrough. First and second bores in the housings each have one end open to fluid passages and have their other ends open at mating surfaces of the housings. A hollow, cylindrical bushing is press-fitted into the first bore. A hollow, cylindrical rubber packing is placed in the second bore. The bushing is axially longer than the second bore so that the outer end of the packing engages a corresponding end of the bushing. As the housings are drawn together, the packing is axially compressed between the bushing and the annular bottom of the second bore. Compression of the packing causes it to seal against the bushing and against the wall and bottom of the second bore so that fluid is confined to the interior of the bushing and packing as it flows between the passages.

REFERENCES:
patent: 3329447 (1967-07-01), Hitz
patent: 4114906 (1978-09-01), Jelinek
Exhibit A relating to a bushing and o-ring sealing assembly which has been on sale prior to the applicant's invention.

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