Gear motor driver for driving motor car brake, has gear box having worm-geared pinions supported with countershafts and bearing devices rotatable in housing, and auto-centering seal element is provided between engine shaft and housing

摘要

The driver has a piston which is displaceably arranged and is operated with the hydraulic service pressure chamber for the application of service brake. A gear box converts the rotational motion of an electromotor into a translational movement for the feedthrough of determination braking operations produced by the piston. The gear box in pair comprises diagonal and/or worm-geared pinions which are supported with countershafts and bearing devices more rotatable in a housing (13). An auto-centering seal element (37) is provided between engine shaft (17) and the housing. An independent claim is included for manufacturing method of gear motor driver.