Self-adjusting cup tappet for vehicle IC engine - has pressure piston formed by spring covered with elastomer material

摘要

The self-adjusting automatic hydraulic valve tappet (1) is for the IC engine of a vehicle. It has a fluid storage chamber (11b) subject to the action of a spring loaded pressure piston (24). The pressure piston is formed by a compression spring (12) with an end surface (16) directed towards the storage chamber, and the sleeve-shaped contour (25) is made from an elastomer material (15). USE/ADVANTAGE - Cup tappet in vehicle IC engine in which the operating life is extended against the action of the hydraulic fluid on the piston spring.