Fuel injection stub for a ramjet operating at a high Mach number

Details Fuel injection stub for a ramjet operating at a high Mach number Fuel injection stub for a ramjet operating at a high Mach number

1997-06-24

1999-02-02

Casaregola, Louis J.

Power plants

Reaction motor

Including heat exchange means

602701, F02K 710

Patent

active

058650253

ABSTRACT:
A fuel injection stub (6) for a ramjet is designed to operate at a high Mach number. According to the invention, said stub includes a carbon-carbon composite body (10), in which a rail of elementary injectors is arranged, and a nose piece (11) consisting of a thin skin of carbon-carbon composite in at least approximately the shape of a dihedron, the edge (11A) of which has a radius of curvature (r) at most equal to 2 mm and the angle of which is at most equal to 15.degree.. Means (23, 27) for injecting a coolant into the sealed chamber (18) are arranged in said body (10), said injection means producing a number of jets of pressurized coolant striking the concave face of said skin (11).

REFERENCES:
patent: 2848427 (1958-08-01), Rubens
patent: 3699773 (1972-10-01), Schuning et al.
patent: 3727409 (1973-04-01), Kelley et al.
patent: 4821512 (1989-04-01), Guile et al.
patent: 4951463 (1990-08-01), Lee et al.
patent: 5214914 (1993-06-01), Billig et al.
patent: 5220787 (1993-06-01), Bulman
patent: 5727382 (1998-03-01), Chevalier et al.

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