Nozzle/valve device for a ducted rocket motor

Details Nozzle/valve device for a ducted rocket motor Nozzle/valve device for a ducted rocket motor

1980-03-11

1982-10-26

Bryant, III, James E.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

138 37, 60253, 60271, 60591, F15D 102, B64C 1508, F02K 904

Patent

active

043556639

ABSTRACT:
A nozzle/valve device for a ducted rocket motor is provided. The nozzle valve device employs a design in which a nozzle throat blockage element can be moved by translational motion into and out of the nozzle throat section of the device. The blockage element is designed so that in the closed position the nozzle throat has a minimum cross-sectional flow area and therefore the nozzle throat is never fully closed. The seals employed in the nozzle/valve device are isolated from contact with reaction products of the gas generator and effective use of minimum amounts of erosion resistant materials is achieved.

REFERENCES:
patent: 1946319 (1934-02-01), Hodgson et al.
patent: 2889117 (1959-06-01), Wimpress
patent: 2968919 (1961-01-01), Hughes et al.
patent: 3192709 (1965-07-01), Hardy
patent: 3780982 (1973-12-01), Kemp

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