Fluid sprinkling – spraying – and diffusing – Reaction motor discharge nozzle – With means controlling amount – shape or direction of...
Patent
1993-05-18
1997-03-18
Morris, Lesley D.
Fluid sprinkling, spraying, and diffusing
Reaction motor discharge nozzle
With means controlling amount, shape or direction of...
92 65, 23926519, F02K 112
Patent
active
056114893
ABSTRACT:
An actuating system for a variable area exhaust nozzle is disclosed having inner and outer flaps pivotally connected to an airframe whose positions may be varied by a single set of control cylinders. The control cylinders have a case in which is slidably mounted a pair of pistons, each having piston rods extending from one side, which piston rods extend through one end of the cylinder case. The piston rods may be arranged coaxially to minimize the bulk of the actuating cylinder. One of the piston rods is connected to the inner flaps, while the other of the piston rods is connected to the outer flaps. By selectively supplying pressurized fluid to one or more combinations of a first fluid chamber defined between one of the pistons and an end of the case, a second fluid chamber defined between the two pistons, and a third fluid chamber defined between the other of the pistons and the other end of the case the two piston rods can be made to extend or retract so as to move the inner and outer flaps to desired positions.
REFERENCES:
patent: 3282049 (1966-11-01), Benton
patent: 3537647 (1970-11-01), Camboulives et al.
patent: 3814325 (1974-06-01), McCardle, Jr. et al.
patent: 4043509 (1977-08-01), McHugh et al.
patent: 4205594 (1980-06-01), Burke
Berneuil Yves R. J.
Bettremieux Christian W. B.
Kettler Daniel G. A.
Lechevalier Michel M. A. A.
Pasquali Xavier J.
Morris Lesley D.
Societe Nationale d'Etude et de Construction de Moteurs d'Aviati
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