Hypersonic scramjet engine fuel injector

Details Hypersonic scramjet engine fuel injector Hypersonic scramjet engine fuel injector

1988-09-16

1990-02-27

Casaregola, Louis J.

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

60740, F02K 710

Patent

active

049034804

ABSTRACT:
A hypersonic scramjet engine fuel injector and a hypersonic scramjet engine having such a fuel injector. The engine has a serially connected inlet, combustor, and exhaust nozzle. Multiple, horizontally-spaced-apart fuel injectors are positioned in and connected to the combustor's top portion. Each fuel injector has a hollow wedge shape housing. To improve fuel-air mixing for better combustion, the housing's end wall has multiple, discrete, convergent-divergent fuel outlet nozzles and its side walls have horizontally-extending exterior grooves. Fuel is used to cool the fuel injector housing with the housing's bottom and side walls having fuel-exit holes and the housing having an interior serpentine fuel passageway.

REFERENCES:
patent: 844938 (1958-07-01), Longwell
patent: 3143401 (1964-08-01), Lambrecht
patent: 3355891 (1967-12-01), Rhodes
patent: 3430446 (1969-03-01), McCloy
patent: 3581495 (1971-06-01), Kah, Jr.
patent: 3699773 (1972-10-01), Schuning
patent: 4514144 (1985-04-01), Lee
patent: 4627480 (1986-12-01), Lee
patent: 4821512 (1989-04-01), Guile et al.

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