Patent ID: 7568341

Claim:
A pyrotechnic actuator comprising a pyrotechnic gas generator, a combustion chamber, a slide chamber, a piston capable of moving in the slide chamber under the effect of gas from said gas generator, the two chambers being in communication with each other via a connection channel, said actuator further including a shutter device which when implemented after said actuator has been triggered interrupts communication between said chambers, said shutter device being included in the slide chamber; wherein both said chambers are cylindrical in shape, have axes of symmetry mutually parallel, and are interconnected by the connection channel having an axis that is perpendicular to the axes of said chambers, and wherein the shutter device comprises a hollow cylindrical body fastened in the slide chamber, a motor, and a shutter, said body possessing connection means, which, in combination with the connection channel, serve to ensure communication between the combustion chamber and a space of the slide chamber in which the piston is situated.