Patent ID: 6123054
Filing Date: 2000-09-26
Classification: F01L,F16J

Abstract:
Valve shaft seal for being mounted on a valve shaft of a combustion engine, comprising a sealing ring fabricated of elastomer material and possessing a central axis, said sealing ring including a sealing lip defined by two inclined surfaces intersecting at a sealing edge for resting in a sealing manner against an outer surface of the valve shaft, one of the inclined surfaces being defined by a first section and a second section, the first section being located closer to the sealing edge than the second section, said first section being inclined at a first angle of inclination with respect to the central axis of the sealing ring, said second section being inclined at a second angle of inclination with respect to the central axis of the sealing ring, said first angle of inclination being less than 35.degree. and the second angle of inclination being greater than 40.degree..