| 摘要 |
An electromechanical thrust actuator including a cylinder having a cavity with a longitudinal axis, a piston received in the cavity for displacement relative to the cylinder along the axis, and electromechanical drive means disposed in the cavity and connecting to the cylinder and the piston for axially displacing the piston relative to the cylinder, wherein the electromechanical drive means includes a ring member disposed in the cavity and movable relative to said cylinder, a torsion spring disposed within the ring member, the torsion spring having an outer end portion connected to the ring member, and having an inner end portion connected to the piston, and a motor adapted to rotate the ring member in order to wind-up the torsion spring, and clutch means engaging the spring inner end and being adapted to suddenly release the spring for instantaneously displacing the piston relative to the cylinder along the axis.
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