Injection system and an associated tricoaxial element

Details Injection system and an associated tricoaxial element Injection system and an associated tricoaxial element

1994-11-01

1997-08-26

Koczo, Michael

Power plants

Reaction motor

Liquid oxidizer

239424, F02K 952

Patent

active

056600399

ABSTRACT:
The present invention relates to an injector of tricoaxial structure comprising a body that is circularly symmetrical about an axis of symmetry, said body being provided with a plurality of injection elements having axes parallel to said axis of symmetry and passing through an injection wall fixed to said body and separating said injector from a combustion member to which it is coupled. According to the invention, each of said injection elements comprises a central injection channel fed with a second propellant and an annular injection slot surrounding said central channel and fed with a first propellant, an additional annular injection channel for the second propellant being formed by a space that exists around each injection element between its side wall and said injection wall, such that the sheet of first propellant flowing from said annular slot is engaged between the central jet and the outer sheet, each of which delivers the second propellant.

REFERENCES:
patent: 3446024 (1969-05-01), Lewis et al.
patent: 3488951 (1970-01-01), Chamberlain et al.
patent: 3541788 (1970-11-01), Schutz
patent: 3603092 (1971-09-01), Paine
patent: 3611722 (1971-10-01), Shick
patent: 3662960 (1972-05-01), Mitchell et al.
patent: 3740946 (1973-06-01), Welton et al.
patent: 4523530 (1985-06-01), Kaminaka et al.
patent: 4621492 (1986-11-01), von Pragenau
patent: 5097666 (1992-03-01), Shekleton et al.

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