Gas exchange valve unit for internal combustion engine has operating device acting on free end of valve stem forming one guide surface, other being formed by guide body

摘要

The valve unit has an operating device (13) acting on the valve stem (5). The valve body (4) forms a first guide surface (5.1). A guide body (21) is fixed in the region of the free end of the valve stem. The guide body forms a second guide surface (22). A spring dish (6) is connected to the valve spring and has the valve spring (7) between it and the cylinder head.