Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1973-04-03
1976-04-13
Spar, Robert J.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 19, 277 27, 277 71, 308 363, B65D 5306, F16C 3374, F16J 1540, F16L 1702
Patent
active
039499960
ABSTRACT:
In a body supporting another body via a land into which sealing gas is supplied via an in-coming gas groove or grooves for liquid sealing purpose and from which fluid is discharged through a fluid groove, one or more sets of out-going gas grooves are formed opening to the land in between the in-coming gas groove(s) and the fluid groove so that both undesirable mixing of the sealing gas with the fluid and accidental invasion of outside dust or the like into the arrangement is effectively prevented.
REFERENCES:
patent: 3131939 (1964-05-01), Cuny
patent: 3390525 (1968-07-01), Spillman
patent: 3650582 (1972-03-01), Casey
Inoue Gentei
Matsuo Nobuhiro
Sato Chuichi
Tanaka Mamoru
Beltran Howard
Nippon Seiko Kabushiki Kaisha
Spar Robert J.
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