Actuator for driving gas shuttle valve in internal combustion engine has valve stem having end provided with hemispherical surface that is fitted into hemispherical central recess of spring plate

摘要

A valve disk (24) is directly coupled to a valve stem (22). A spring (26) is supported against the housing (29) by a spring plate (27) which is arranged on the valve stem and is provided with a spring seat (30). The spring plate is formed having a hemispherical central recess. The end of the valve stem has a complementary hemispherical surface that is fitted into the central recess.