Low loss injector for liquid propellant rocket engines

Details Low loss injector for liquid propellant rocket engines Low loss injector for liquid propellant rocket engines

1985-01-10

1986-11-11

Casaregola, Louis J.

Power plants

Reaction motor

Liquid oxidizer

60746, 2391325, 239425, 239403, F02K 900

Patent

active

046214925

ABSTRACT:
A low pressure loss injector element A is disclosed for the main combustion chamber of a rocket engine which includes a lox post (40) terminating in a cylindrical barrel (50). Received within the barrel (50) is a lox plug (46) which is threaded in the lox post and includes an interchangeable lox metering sieve (60) which meters the lox into an annular lox passage (56). A second annular gas passage (62) is coaxial with the annular lox passage (56). A cylindrical sleeve (64) surrounds the annular gas passage (62) and includes an interchangeable gas metering sieve (77) having metering orifices through which a hot gas passes into the annular passage (62). The jets which emerge from the annular lox passage and annular gas passage intersect at 80 which is recessed away from the combustion area. Thus, mixing and combustion stability are enhanced.

REFERENCES:
patent: 1875457 (1932-09-01), Hemmingsen
patent: 2325495 (1943-07-01), Ferguson
patent: 2667740 (1954-02-01), Goddard
patent: 2810259 (1957-10-01), Burdett, Jr.
patent: 3270499 (1966-09-01), Escher
patent: 3581495 (1971-06-01), Kah
patent: 3611722 (1971-10-01), Shick
patent: 3615054 (1971-10-01), Botz
patent: 3662547 (1972-05-01), Paine et al.
patent: 3897007 (1975-07-01), Roy

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