Ferrofluid seal apparatus

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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Details

384133, F16J 1544

Patent

active

052382540

ABSTRACT:
A ferrofluid seal apparatus comprises magnetic fluid holding means for storing a magnetic fluid with one of an inner and an outer elements which are relatively rotated. The magnetic fluid holding means has a storage section for storing a part of the magnetic fluid which flows out of said magnetic fluid holding means.

REFERENCES:
patent: 2889163 (1959-06-01), Stephens et al.
patent: 2996162 (1961-08-01), Lehdt
patent: 3011842 (1961-12-01), Norris
patent: 3275332 (1966-09-01), May
patent: 3682488 (1972-08-01), Matsushima
patent: 4043612 (1977-08-01), Orcutt
patent: 4171818 (1979-10-01), Moskowitz
patent: 4293137 (1981-10-01), Ezekiel
patent: 4340233 (1982-07-01), Yamamura
patent: 4357023 (1982-11-01), Yamamura
patent: 4526379 (1985-07-01), Raj
patent: 4526380 (1985-07-01), Raj et al.
patent: 4526484 (1985-07-01), Stahl et al.
patent: 4531846 (1985-07-01), Raj
patent: 4557612 (1985-12-01), Neal
patent: 4604229 (1986-08-01), Raj et al.
patent: 4630943 (1986-12-01), Stahl et al.
patent: 4692826 (1987-09-01), Raj et al.
patent: 4761082 (1988-08-01), Gabelli
patent: 4772032 (1988-09-01), Raj et al.
patent: 4797013 (1989-01-01), Raj et al.
patent: 4817964 (1989-04-01), Black, Jr.
patent: 4830384 (1989-05-01), Raj et al.
patent: 4842426 (1989-06-01), Furumura et al.
patent: 4890940 (1990-01-01), Schmidt et al.
patent: 5152539 (1992-10-01), Takii et al.

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