Heavy-duty valve stem seal

Details Heavy-duty valve stem seal Heavy-duty valve stem seal

F - Mech Eng,Light,Heat,Weapons

01

L

F01L 3/10 (2006.01) F01L 3/08 (2006.01)

Patent

CA 2316758

An integral valve stem seal retainer and spring seat for a reduced diameter valve seal subassembly is disclosed having lower and upper portions. An annular sealing member is bonded to the upper portion of the metal retainer and an annular flange extends radially outwardly of the lower portion of the retainer to engage at least one coil of a reduced diameter valve spring. The annular sealing member further includes upper and lower portions, wherein the upper portion engages an outer surface of a valve stem while the lower portion engages a top of a thin-wall valve guide.

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