Valve seal retainer

Details Valve seal retainer Valve seal retainer

F - Mech Eng,Light,Heat,Weapons

16

J

171/64

F16J 15/00 (2006.01) F01L 3/08 (2006.01) F16K 41/00 (2006.01)

Patent

CA 1330310

VALVE SEAL RETAINER ABSTRACT OF THE DISCLOSURE A retainer for retaining a resilient annular oil seal element, surrounding the valve stem, to the valve guide in an internal combustion engine. The retainer includes an anchor sleeve made from a polymeric material such as nylon, Teflon or the like, first retention means for retaining the sleeve to an outer surface of a valve guide, a tubular shell surrounding the seal element, second retention means for retching the seal element within the tubular sheet and retention means for retaining the shell to the anchor sleeve. Preferably the first retention means comprises preselecting the diameter of an inner surface of the anchor sleeve for interference fit with the valve guide outer surface.

577178

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