Patent ID: 9520756
Filing Date: 2016-12-13
CPC Classification: F16H,H02K

Claim Text:
1. A linear electromechanical actuator comprising: a housing, an electric motor comprising a stator fixed to an inner surface of the housing, and a rotor, the rotor being rotatably mounted within the housing on at least one bearing support; a roller drive comprising an internally threaded cylinder having an inner space, an output shaft comprising a threaded portion and slidably mounted within said cylinder, and threaded rollers mounted within said cylinder to engage between the inner thread of the cylinder and the threaded portion of the output shaft, wherein the rotor of the electric motor is formed by fixing magnets to the outer surface of the roller drive cylinder, and wherein the housing is provided with at least one closeable opening for supplying lubricant into the internal space of said internally threaded cylinder and to said at least one bearing support, and at least one closeable opening for draining the lubricant from said at least one bearing support and from the internal space of said internally threaded cylinder, and threaded sealing plugs configured to be mounted in said closeable openings in order to close them.