Ferrofluid seal apparatus

Details Ferrofluid seal apparatus Ferrofluid seal apparatus

1990-09-21

1992-10-06

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 37, 277135, 384446, F16J 1540, F16C 3382

Patent

active

051525399

ABSTRACT:
A ferrofluid seal apparatus comprises magnetic fluid holding or positing means for storing or retaining a magnetic fluid in a sealing arrangement wherein inner and outer elements are relatively rotated. The magnetic fluid holding means includes an arrangement for retaining the magnetic fluid which flows out from its original position.

REFERENCES:
patent: 2996162 (1961-08-01), Lehde
patent: 4293137 (1981-10-01), Ezekiel
patent: 4557612 (1985-12-01), Neal
patent: 4692826 (1987-09-01), Raj et al.
patent: 4817964 (1989-04-01), Black, Jr.
patent: 4890940 (1990-01-01), Schmidt et al.

Affiliated with

Also associated with

Rating

Ferrofluid seal apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ferrofluid seal apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ferrofluid seal apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1184769