Solid state power failure squib ignition control

Details Solid state power failure squib ignition control Solid state power failure squib ignition control

1988-06-27

1989-09-26

Jordan, Charles T.

Ships

Torpedoes

102206, 102218, F42B 1942, F42C 1100

Patent

active

048691909

ABSTRACT:
A torpedo ejects lead weight at the conclusion of a practice run and is bed to the surface for recovery and reuse. A squib is initiated to release the weight by a control circuit which is actuated when the torpedo engine stops. An appropriately interconnected transistor and field effect transistor respond to built-up charges on three charge storage circuits to assure the proper initiation of the squib when the torpedo stops running. The stored energy thus is brought into effect to assure reliable separation and avoids the problems otherwise associated with conventional electromechanical relays.

REFERENCES:
patent: 1035021 (1912-08-01), Laubeuf
patent: 2402617 (1946-06-01), Fetzer et al.
patent: 3004507 (1961-10-01), Abrams
patent: 3141434 (1964-07-01), VanBilliard
patent: 3153394 (1964-10-01), Shaver et al.
patent: 4200920 (1980-04-01), Evans et al.

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