Linear drive for a belt pretensioner

Details Linear drive for a belt pretensioner Linear drive for a belt pretensioner

1996-12-06

1998-12-01

Kamen, Noah P.

Power plants

One shot explosion actuated expansible chamber type motor

242374, F01B 2908

Patent

active

058423443

ABSTRACT:
A linear drive for a belt pretensioner is provided. The linear drive includes a cylinder tube with a hollow inner space, a pyrotechnic drive charge which generates a pressurized gas, and a piston able to be displaced in the inner space of the cylinder tube under the action of the pressurized gas. The piston has a hollow interior space and an axial end having an end wall. The end wall has a passage opening which is closed by a blow-out patch.

REFERENCES:
patent: 5641131 (1997-06-01), Schmid et al.

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