Apparatus for igniting a pyrotechnic transmission line

Details Apparatus for igniting a pyrotechnic transmission line Apparatus for igniting a pyrotechnic transmission line

1989-05-16

1990-05-15

Brown, David H.

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

1022756, 280735, F42B 312, F42C 1900

Patent

active

049247743

ABSTRACT:
An apparatus for actuating an actuatable vehicle safety device, such as an airbag inflator, includes an ignitable pyrotechnic transmission line having one end connected with the vehicle safety device. The safety device actuates in response to ignition of the pyrotechnic transmission line. The other end of the pyrotechnic transmission line is connected with an actuatable semiconductor bridge which, when actuated, ignites the pyrotechnic transmission line. The semiconductor bridge actuates in response to receiving a firing signal indicative of a vehicle collision from an impact sensor. Thus, when a vehicle collision occurs, the impact sensor provides the firing signal to actuate the semiconductor bridge which, in turn, ignites the pyrotechnic transmission line to thereby actuate the airbag inflator.

REFERENCES:
patent: 3366055 (1968-01-01), Hollander
patent: 3590739 (1971-07-01), Persson
patent: 4272102 (1981-06-01), Burkdoll
patent: 4573322 (1986-03-01), Fohl
patent: 4708060 (1987-11-01), Bickes, Jr. et al.

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