Heating element for igniting pyrotechnic charge

Details Heating element for igniting pyrotechnic charge Heating element for igniting pyrotechnic charge

2006-08-15

2006-08-15

Poon, Peter M. (Department: 3643)

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

C102S202900

Reexamination Certificate

active

07089861

ABSTRACT:
A heating element for the ignition of a pyrotechnic charge, e.g. for firing an air bag, has increased stability with respect to transient pulses and electrostatic discharge as a result of a selection of this mass, specific resistance and specific heat capacity. In particular the mass is 1.0×10−9kg to 4.0×10−9kg, the specific resistance is 1×10−6Ω m to 2×10−6Ω m and the specific heat capacity is 100 W/(kg.K) to 400 W/(kg·K).

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