Pyrotechnical drive device with pressure relief

Details Pyrotechnical drive device with pressure relief Pyrotechnical drive device with pressure relief

1996-12-06

1999-03-02

Kamen, Noah P.

Power plants

One shot explosion actuated expansible chamber type motor

242374, F01B 2908

Patent

active

058756345

ABSTRACT:
A pyrotechnical drive device for a safety tensioning device has a guide tube and a drive element movably mounted within the guide tube. A receiving member is connected to the guide tube. A gas generator for producing a gas when activated is provided. The gas drives the drive element within the guide tube. The gas generator includes a sleeve and is mounted with the sleeve within the receiving member. The receiving member has a wall with an opening and the opening has a size adapted to the wall thickness material of the sleeves such that, when a pressure load limit of the gas generated within the sleeve is surpassed upon activation of the gas generator, the sleeve is pressed into the opening and bursts open.

REFERENCES:
patent: 5450723 (1995-09-01), Fohl

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