Lightweight internal combustion engine valve gear - has leaf type plastic valve spring to move poppet valve

摘要

Valve gear for an internal-combustion engine has a poppet valve (1) moved into an end position by a plastic, partic. C-fibre-reinforced spring. The spring is of the leaf type, may contains a kink, and can be integral with a rocker lever and with a valve spring plate. There can also be a further arm contg. a pivot on the lever. ADVANTAGE - Lightweight valve gear is obtd.