Chrankshaft Seals and Modern Engine Oils - The European Situation: Possibilities in Design and Material

The development of radial lip seals for the use in motor vehicle is influenced by the special applications and the demand for highest reliability. Special seals must be developed for each application to meet the permanent increasing requirements. The sealing of the crankshaft is a typical example. The paper shows the required steps of development in Europe relating to the seal material and design.