Combined multi-speed jet engine for the drive of airplanes and s

Details Combined multi-speed jet engine for the drive of airplanes and s Combined multi-speed jet engine for the drive of airplanes and s

1988-05-27

1990-03-20

Casaregola, Louis J.

Power plants

Reaction motor

Interrelated reaction motors

60244, 602701, F02K 716, F02K 718

Patent

active

049090313

ABSTRACT:
Composite changeover-type reaction power plant for propelling aircraft and spacecraft operating in subsonsic, supersonic and hypersonic regions, embracing a turbofan bypass engine with front fan, and a ramjet engine with a cycle corresponding to that of the fan, where the fan has individually independently supported, operationally counterrotating statorless rotors and variable fan blades which are feathered and immobilized during ramjet operation for low drag during said ramjet operation.

REFERENCES:
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patent: 2672726 (1954-03-01), Wolf et al.
patent: 2952973 (1960-09-01), Hall et al.
patent: 3161018 (1964-12-01), Saudre
patent: 3238716 (1966-03-01), Sandre
patent: 3296800 (1967-01-01), Keenan et al.
patent: 3432100 (1969-03-01), Hardy et al.
patent: 4137708 (1979-02-01), Aspinwall et al.
patent: 4185457 (1980-01-01), Parker et al.
patent: 4543785 (1985-10-01), Patrick
The Jet Engine; Publication, 1986, pp. 54, 16, and 53.

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