Water activated pressurized gas apparatus for rescue application

Details Water activated pressurized gas apparatus for rescue application Water activated pressurized gas apparatus for rescue application

1984-11-20

1986-04-29

Barefoot, Galen L.

Aeronautics and astronautics

Safety lowering devices

Parachutes

441 95, 441 33, 441 96, 200221, 200 6104, 200 81R, B64D 1738

Patent

active

045851905

ABSTRACT:
The compressed-gas device for the life-saving services which can be activated by water, more especially the automatic separating coupling for parachutes, comprises a channel (9) and two detector chambers (10, 11) which, via openings (12, 13), are connected to the channel (9) and, via openings (14, 15), are connected to one respective opposite outer surface (16, 17) of the device. The cross-section of the outwardly directed openings (14, 15) is larger than that of the connection openings (12, 13) to the channel (9). Only when the measuring block (2) is completely immersed in water are three pairs of electrodes (18, 19; 20, 21; 22, 23) bridged by water so that a fuel-gas charge is ignited via an electric circuit (7) with the aid of an igniter (8) (FIG. 2).

REFERENCES:
patent: 2254710 (1941-09-01), Reid
patent: 3602661 (1971-08-01), Liedberg
patent: 3774870 (1973-11-01), Sheffield et al.
patent: 4513248 (1985-04-01), Miller

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