Valve drive built into cylinder head of internal combustion engine, with regulator for input line to maintain constant hydraulic pressure

摘要

The valve drive has a regulator (31) in the input line (16) to maintain the hydraulic pressure at a constant intended level. The piston (11) or its support (8) has an axial free run (17) connected to the piston or support so that the piston is shifted to reduce the clearance between the support and stop (10), and an increase in the clearance between the support and the stop is blocked.