Patent ID: 9618102
Date: 2017-04-11
CPC Classifications: B64C,F15B,F16H,Y10T

Claim:
1. An electromechanical actuator comprising: an electric motor directly attached to an outer surface of a cylindrical housing; a conversion mechanism portion having a drive portion that is driven to rotate by the electric motor and a driven portion that is driven by the drive portion and advances and withdraws in a predetermined advancing and withdrawing direction, the conversion mechanism portion being accommodated in the housing; a sliding support mechanism that is coupled to the drive portion to transmit rotational force of the electric motor to the drive portion and allows the drive portion to slide in the advancing and withdrawing direction with respect to the electric motor; and a piston portion provided so as to be rotatable and so as to be unable to be displaced in the advancing and withdrawing direction with respect to the drive portion, the piston portion being controlled so as to be at a predetermined position in the advancing and withdrawing direction with respect to the housing by means of pressure of a fluid supplied to and discharged from the housing.