Patent ID: 7592726

Claim:
An electric machine ( 10 ) for driving functional elements in a motor vehicle, which includes a rotor shaft ( 12 ) that is rotatably supported in a housing part ( 16 ) of a housing via a roller bearing ( 22 , 20 ), an axial spring element ( 32 ) being located between the roller bearing ( 22 , 20 ) and a rotor component ( 34 ) on the rotor shaft ( 12 ), wherein the axial spring element ( 32 ) includes an inner ring ( 40 ) and an outer ring ( 42 ), which are interconnected in an axially resilient manner, and the outer ring ( 42 ) is connected with the rotor component ( 34 ) for a joint rotation relative to the housing part ( 16 ), wherein an inner diameter of the inner ring ( 40 ) forms a clearance fit with an outer diameter of the rotor shaft, thereby simplifying axial installation and axial backlash compensation of the spring element, wherein the rotor component ( 34 ) and not the rotor shaft ( 12 ) is configured to perform radial guidance of the spring element, and wherein for assembling the electrical machine ( 10 ), the axial spring element ( 32 ) is fixed in position at least axially on the pre-installed rotor ( 13 ), such that the rotor ( 13 ) is insertable overhead via a blind assembly into the roller bearing 22 , which was previously installed in housing part 16 .