Ramjet engine

Details Ramjet engine Ramjet engine

1980-06-20

1983-05-03

Garrett, Robert E.

Power plants

Reaction motor

Method of operation

60245, 60917, F02K 718

Patent

active

043816428

ABSTRACT:
A ramjet engine for aircraft incorporating means for automatically changing from a subsonic combustion ramjet geometry to a supersonic combustion ramjet geometry. This is accomplished by utilizing solid fuel for the ramjet during the subsonic combustion mode and tailoring the solid fuel such that, as it burns away, the remaining internal engine geometry changes to the internal engine geometry for supersonic combustion. At the desired time, liquid fuel can be injected into the combustion chamber and the ramjet will operate eventually on liquid fuel only as a supersonic combustion ramjet.

REFERENCES:
patent: 3279187 (1966-10-01), Lindman
patent: 3807170 (1974-04-01), Kesting
patent: 4050243 (1977-09-01), Holzman
patent: 4214442 (1980-07-01), Reingold
patent: 4277940 (1981-07-01), Harner et al.

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