Bipropellant rocket engines

Details Bipropellant rocket engines Bipropellant rocket engines

1989-04-26

1990-01-23

Stout, Donald E.

Power plants

Reaction motor

Liquid oxidizer

60259, 60260, F02K 952

Patent

active

048949868

ABSTRACT:
A construction for the delivery of propellant constituents to the main combustion chamber of a hypergolic liquid bipropellant rocket engine having a staged combustion cycle incorporating at least one precombustor comprises: a mixer for mixing together prior to delivery to the main combustion chamber a first propellant constituent comprising oxidant together with exhaust gas from the precombustor injector means for injecting the mixture of the oxidant and exhaust gas provided by the mixer into the main combustion chamber in such a manner that the injected mixture forms a recirculation zone inside the main combustion chamber, an inlet into the main combustion chamber for a second propellant constituent comprising fuel, and a delivery channel to the said inlet, the said inlet and delivery channel being disposed laterally of the injector means relative to the main direction of flow through the injector means in such a position that fuel delivered into the main combustion chamber thereby is delivered into the said recirculation zones.

REFERENCES:
patent: 2667740 (1954-02-01), Goddard
patent: 3040520 (1962-06-01), Rae
patent: 3257799 (1966-06-01), Goalwin
patent: 3516251 (1970-06-01), Andrews et al.
patent: 3534909 (1970-10-01), Paine
patent: 4771599 (1988-09-01), Brown et al.
Alexander, "P & W Designs Extendible Skirt for RL20 Rocket Engine", Aviation Week & Space Technology, Sep. 19, 1966, pp. 60-63.

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