Pulse rocket engine

Details Pulse rocket engine Pulse rocket engine

1998-02-18

1999-08-24

Casaregola, Louis J.

Power plants

Reaction motor

Intermittent combustion

60258, F02K 944

Patent

active

059410620

ABSTRACT:
A liquid propellant rocket engine comprising a chamber body connected to a converging/diverging thrust nozzle and to at least one lightly pressurized propellant feed duct, said body including a body bore in which an injector-forming piston can move longitudinally between a rest first position and an operating second position, the piston comprising a piston head and a piston rod, and subdividing the chamber body bore into a combustion chamber in front of the piston, and at least one injection chamber surrounding the piston rod, the chamber body further including a flow section that is closed in said rest position to prevent any propellant being fed from the injection chamber(s) and that is opened when the piston moves from said rest position to said operating position in order to allow the injection chamber(s) to be filled via said flow section directly from the feed duct(s), the propellant(s) being injected into the combustion chamber via injection channels formed between the combustion chamber and the injection chamber(s), displacement of the piston being a function, in particular, of the pressures in the feed duct(s), in the injection chamber(s), and in the combustion chamber.

REFERENCES:
patent: 2810259 (1957-10-01), Burdett
patent: 3097483 (1963-07-01), Bixson et al.
patent: 3680310 (1972-08-01), Arvidson
patent: 4722185 (1988-02-01), Campbell
patent: 4726184 (1988-02-01), Russell

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