Electric motor seat adjustment device for automobile has metal motor housing enclosing drive unit provided with outer coating of bitumen material for providing sound insulation

摘要

The seat adjustment device (1) has a drive unit (2,3,4) enclosed by a motor housing (5) which is made of metal, the outer surface of the motor housing provided with a coating (6) of a bitumen material, by dipping the motor housing in a bitumen bath with the end faces (7) of the housing sealed. A sheet metal layer can be applied to the bitumen coating.