F - Mech Eng,Light,Heat,Weapons – 42 – C
Patent
F - Mech Eng,Light,Heat,Weapons
42
C
102/32
F42C 19/12 (2006.01) F42B 3/188 (2006.01)
Patent
CA 1144002
ABSTRACT The invention comprises an electric igniter comprising a filament, a priming charge ignitable by heat generated in the filament by feeding an electric current therethrough, two connection legs for connecting the feed wires to the igniter and the filament and a high frequency filter to protect the igniter against accidental ignition by electromagnetic fields or static electricity. The casing of the igniter comprises a wider part, the "cup", and a narrower part in which narrower part the connection legs are cast in a material which withstands pressure and high temperatures. The igniter has a simple mechanical design by using capacitor and ferrite elements in the high frequency filter which elements are common for the two connection legs and by locating the ferrite element in the narrower part of the igniter.
359448
Aktiebolaget Bofors
Fetherstonhaugh & Co.
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