RC time delay self-destruct fuze
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United States of America Patent
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Nov 14, 2000
Grant Date -
N/A
app pub date -
Jun 16, 1998
filing date -
Jan 14, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus mountable in a projectile for utilization with a rotor-type safing and arming mechanism for post-launch self-neutralization of a projectile having a fused warhead and a stab detonator, including a launch-activated battery, an electric detonator positioned sufficiently close to the stab detonator to initiate the stab detonator upon initiation of the electric detonator, and a time delay switch circuit operatively interconnecting the battery and the electric detonator after a predetermined delay time for delivering power sufficient to initiate the electric detonator. The time delay switch circuit includes an R-C delay circuit having a delay capacitor, and an SCR connected in series between the electric power source and the electric detonator, with the SCR gate operatively connected to the delay capacitor. The apparatus also includes a pre-launch shorting circuit electrically connected in parallel with the electric detonator, and a current amplifier interconnected with the SCR and a storage capacitor.
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