Patent ID: 8884477
Filing Date: 2014-11-11
Classification: H02K,Y10S

Abstract:
1. An electric motor drive comprising: a commutator motor whose motor shaft is rotatably supported on axially opposite sides in a first shaft bearing and a second shaft bearing that are each covered by an end plate; and a first damping system for sound damping of bearing-play-related impact noises and operation-related whining noises is arranged on a side of the first shaft bearing opposite of the end plate of the first shaft bearing, wherein the first damping system has a sealing disk, which is axially movable on the motor shaft, a damping element, and a sliding disk that faces the first shaft bearing, wherein the sealing disk is fixed to the sliding disk, and wherein the damping element, the sealing disk and a shaft seal of the damping system are formed into a single piece.