| 摘要 |
<p>The invention relates to an electric linear actuator comprising an electric motor (4) with a rotor (16) and a stator (18), a casing (8, 10) and a screw-nut system (16) for moving a member (15) that is to be moved. The screw-nut system (6) comprises a screw (20) with a first threaded portion (26) and a first nut (22) with a complementary screw thread engaging with the first threaded portion (26), the first nut (22) being rotationally coupled to the rotor. The screw (20) comprises a second threaded portion (28) and the screw-nut system comprises a second nut (24) engaging with the second threaded portion (28), the first and second threaded portions having screw threads of opposite hand.</p> |
