Water activated pressurized gas release device

Details Water activated pressurized gas release device Water activated pressurized gas release device

1975-02-13

1977-05-17

Truhe, J. V.

Electricity: electrical systems and devices

Igniting systems

For explosive devices

9318, 137392, F23Q 702

Patent

active

040244407

ABSTRACT:
A water activated pressurized gas release device, especially suited for automatically controlling the release of the pressurized gas for inflating flotation equipment when dumped into water, which includes an electrically fireable primer for generating propulsion gas to drive a piercing pin into the closure of a container of pressurized gas to release the same, and fired by electrical energy derived from a battery arranged in a circuit maintained open on the ground side by electrically conductive elements providing two spaced apart electrodes until such space is filled with water for a predetermined duration of time as occurs upon immersion to close the circuit.

REFERENCES:
patent: 3291046 (1966-12-01), Dahl
patent: 3426942 (1969-02-01), McMains et al.
patent: 3438326 (1969-04-01), Thomanek et al.
patent: 3580158 (1971-05-01), Scholle et al.
patent: 3722408 (1973-03-01), Fox et al.

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