Spindle assembly

Details Spindle assembly Spindle assembly

1991-07-01

1992-05-05

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 95, 277 11, 277 80, 384133, 310 905, H02K 709, F16C 3374, F16J 1540, F16K 4100

Patent

active

051101416

ABSTRACT:
Apparatus for restricting magnetic oil to a desired location within a FFFB comprising selectably locatable stopper apparatus having a first location near the FFFB for enabling a vacuum to be produced and for restricting the magnetic oil within the FFFB during filling of the FFFB with the magnetic oil and a second location away from the FFFB when filling is not occurring and apparatus for moving the selectably locatable stopper apparatus between the first location and the second location.

REFERENCES:
patent: 3612630 (1971-10-01), Rosensweig
patent: 3726574 (1973-04-01), Tuffias et al.
patent: 4171818 (1979-10-01), Moskowitz et al.
patent: 4309040 (1982-01-01), Pierrat
patent: 4526382 (1985-07-01), Raj et al.
patent: 4630943 (1986-12-01), Stahl et al.
patent: 4761082 (1988-08-01), Gabelli
patent: 4824122 (1989-04-01), Raj et al.
patent: 4940248 (1990-07-01), Kilthau et al.

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