Hypersonic scramjet engine fuel injector

Details Hypersonic scramjet engine fuel injector Hypersonic scramjet engine fuel injector

1989-10-16

1990-11-13

Stout, Donald E.

Power plants

Internal combustion engine with treatment or handling of...

Material from exhaust structure fed to engine intake

60742, F02K 710

Patent

active

049693271

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:
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patent: 3581495 (1971-06-01), Kah, Jr.
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patent: 4514144 (1985-04-01), Lee
patent: 4627480 (1986-12-01), Lee
patent: 4802639 (1989-02-01), Hardy et al.
patent: 4821512 (1989-04-01), Guile et al.

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