Patent ID: 8598755
Filing Date: 2013-12-03
Classification: H02K

Abstract:
1. An electric rotary actuator with a first axial end and a second axial end, comprising: an electric motor; a speed reducer that is integrally coupled to the electric motor at a first axial end side of the electric motor; and a housing that accommodates the electric motor and the speed reducer, wherein the housing includes the electric motor is an outer rotor electric motor, the electric motor includes the speed reducer includes a plurality of gears, is coupled to a first axial end side portion of the motor output shaft, and reduces a speed of rotation of the output shaft through operation of the plurality of gears and then outputs the rotation, and at least one of the plurality of gears of the speed reducer is fixed to a portion of the partition wall portion of the housing on the first axial end side, and transmits at least part of the torque transmitted from the motor output shaft to the partition wall portion.