Pyrotechnic, hydraulic, pneumatic actuator for e.g. aircraft's door, has piston including vent hole for permitting passage of gas generated by gas generator between chambers of piston, where rod is integrated with piston

摘要

The actuator has a cylindrical actuator body (1) in which a rod (2) of a piston (5) is slides, and integrated with the piston, where the piston defines two chambers (A, B). The piston includes a vent hole (11) permitting a passage for gas generated by a gas generator (4) between the chambers. The generator is carried by the piston. The piston includes a drilling hole (12) permitting a passage for the gas between the generator and the chamber (A). The piston presets two surfaces (SA, SB) in contact with the chambers, respectively.