Valve stem seal

Details Valve stem seal Valve stem seal

1985-08-29

1987-09-22

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

123188P, 251214, 277152, 277208, F01L 308, F16J 1532

Patent

active

046950613

ABSTRACT:
The seal for a valve stem wherein a sleeve-like seal has alternating grooves and lands surrounding the valve stem. The lands have frustoconical surfaces, the opposed surfaces on each land having different angular relationships to the axis of the valve stem to promote the flow of lubricating oil in the desired direction.

REFERENCES:
patent: 2542141 (1951-02-01), Horton
patent: 2821973 (1958-02-01), Guhman
patent: 3038347 (1962-06-01), Sloan et al.
patent: 3333578 (1967-08-01), Muller
patent: 3373998 (1968-03-01), Bialkowski
patent: 3443814 (1969-05-01), Dahlheimer
patent: 3498621 (1970-03-01), Wilson
patent: 3601420 (1971-08-01), Binford
patent: 4125265 (1978-11-01), Grzesiak
patent: 4325558 (1982-04-01), Poggio
patent: 4449718 (1984-05-01), Muller
patent: 4560177 (1985-12-01), Riley, Jr.
Society of Automotive Engineers, Inc., Jan. 1982, vol. 90, No. 1, pp. 75-78, "Valve Stem Seals Handle Oil Metering and Wear", based on SAE paper 810292 by Ing. grad Hans Deuring, Goertze AG, West Germany.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2054311