Sequential launching system

Details Sequential launching system Sequential launching system

1987-04-06

1988-03-29

Brown, David H.

Ordnance

Bomb, flare and signal dropping

89 1806, F41F 502, B64D 104

Patent

active

047335971

ABSTRACT:
A sequential launching system is disclosed for sonobuoys and the like in which each of a plurality of sonobuoys is provided with a separate launch mechanism. The launch mechanism comprises a piston and piston chamber at the aft end of the sonobuoy. The cross-sectional area of the piston chamber is substantially smaller than that of the launch tube and air flow passages are provided for allowing ambient air to flow to the aft end of the sonobuoy to equalize the air pressure with that at the forward end. Air passages around the plural sonobuoys are provided by longitudinally extending, radially spaced ribs which extend from the muzzle end to the breech end of the launch tube. The ribs serve to support and guide the sonobuoys in the launch tube.

REFERENCES:
patent: 3451306 (1969-06-01), Lagerstrom et al.
patent: 3662645 (1972-05-01), Thurston et al.
patent: 3686999 (1972-08-01), Francois
patent: 4019421 (1977-04-01), Strom
patent: 4026188 (1977-05-01), Woodruff et al.
patent: 4164887 (1979-08-01), Ouellette
patent: 4263835 (1981-04-01), Dragonuk
patent: 4438675 (1984-03-01), Fischer et al.
patent: 4444085 (1984-04-01), Dragonuk

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