Throttle-valve device for application of high temperature in internal combustion engine, has throttle-valve shaft which is supported in borehole of housing

摘要

Throttle-valve device has a throttle-valve shaft (5) which is supported in a borehole (8,9) of housing (1). The throttle-valve shaft has sections (15) of larger diameter and sections (16) of smaller diameter. Throttle-valve device has an antifriction bearing (6,7) or a sliding bearing, over which the throttle-valve shaft is supported.