Fault tolerant safe and arming device

Details Fault tolerant safe and arming device Fault tolerant safe and arming device

1994-10-17

1995-10-03

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

F23Q 1300

Patent

active

054543215

ABSTRACT:
An electronic safe and arming device includes an enclosure (11) which has a circuit (16) for enabling a detonator (26). The circuit (16) has a sealed tube switch (17) which is pressurized with a gas mixture. The enclosure (11) is pressurized with substantially the same gas mixture (19) and pressure as in the tube switch (17). Safe and arm electronics control (20) triggering the tube switch (17) to set off a detonator (26) which in turn sets off an explosive charge. As a result the present safe and arming device is single fault tolerant.

REFERENCES:
patent: 1917418 (1933-07-01), Almquist et al.
patent: 2363531 (1944-11-01), Johnson
patent: 2696103 (1954-12-01), Heilprin et al.
patent: 2999179 (1961-09-01), Bianchi et al.
patent: 3009077 (1961-11-01), Jacob
patent: 4882993 (1989-11-01), Schwartzman
patent: 5123356 (1992-06-01), Brooks et al.

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