Fluid seal with integral check valve

Details Fluid seal with integral check valve Fluid seal with integral check valve

1991-10-22

1992-12-01

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 28, 277153, F16J 1532

Patent

active

051674190

ABSTRACT:
The present invention is a fluid seal adapted to be disposed about a cylindrical shaft. The fluid seal includes a body portion having an aperture extending axially therethrough and adapted to be disposed about the shaft. The fluid seal also includes a first sealing lip extending from the body portion and adapted to contact the shaft. The fluid seal further includes a second sealing lip extending from the body portion and having a check valve for allowing one way fluid flow through the second sealing lip at a desired pressure.

REFERENCES:
patent: 2977138 (1961-03-01), Brittain, Jr.
patent: 3044786 (1962-07-01), Chillson
patent: 3685838 (1972-08-01), Malmstrom
patent: 4055352 (1977-10-01), Allinquant et al.
patent: 4108287 (1978-08-01), Kato
patent: 4344631 (1982-08-01), Winn
patent: 4428630 (1984-01-01), Folger et al.
patent: 4433846 (1984-02-01), Romero et al.
patent: 4448461 (1984-05-01), Otto
patent: 4494632 (1985-01-01), de Baan et al.
patent: 4508020 (1985-04-01), Szcupak
patent: 4527673 (1985-07-01), Szcupak
patent: 4533265 (1985-08-01), Woodbridge
patent: 4747605 (1988-05-01), Antonini
patent: 4844480 (1989-07-01), Gralka
patent: 4896890 (1990-01-01), Mauney

Affiliated with

Also associated with

Rating

Fluid seal with integral check valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-499246