Power plants – Reaction motor – Intermittent combustion
Patent
1980-01-18
1982-04-27
Garrett, Robert E.
Power plants
Reaction motor
Intermittent combustion
60258, 60259, F02K 952
Patent
active
043263771
ABSTRACT:
A propellant injector for a liquid rocket engine has an injection cylinder and moving piston in the cylinder. The cylinder on one side of the piston opens into the combustion chamber of the engine. The other side of the piston has a coaxial tubular portion projecting therefrom. A pair of valve members have concentric sleeves slidably mounted respectively on the inside and outside surfaces of the tubular portion of the piston. The outer ends of the concentric sleeves and tubular portion extend through an end wall of the injection cylinder. The valves open and close passages extending through the piston by relative axial movement of the sleeves and the piston. Pneumatic actuator means, connected to the outer ends of the sleeves and tubular portion, moves the sleeves axially relative to the piston to open the valves and move the piston toward the end wall of the injection cylinder to force propellant through the passages into the combustion chamber.
REFERENCES:
patent: 2410538 (1946-11-01), Walton
patent: 2918791 (1959-12-01), Greiner
patent: 3011312 (1961-12-01), Black
patent: 3088406 (1963-05-01), Horner
patent: 3479818 (1969-11-01), Strobl
Traynelis et al., "Study of Integrated Control Systems", ASD Tech. Rpt., 61-327, vol. 1, Nov. 1961, Sect. 2.2.
Garrett Robert E.
Hamann H. F.
Rockwell International Corporation
Sperry Robert M.
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