Two-spool variable cycle engine

Details Two-spool variable cycle engine Two-spool variable cycle engine

1976-04-22

1977-08-23

Croyle, Carlton R.

Power plants

Reaction motor

Method of operation

60226R, 60262, 415 78, F02K 306

Patent

active

040431215

ABSTRACT:
An auxiliary fan is disposed upon the periphery of at least a portion of the fan of a conventional gas turbofan engine. Flow modulating components such as variable vanes and nozzles are utilized in conjunction therewith to produce a wide range of operating bypass ratios. Such an engine is one of the variable cycle variety and has the capability of operating efficiently at both subsonic and supersonic speeds.

REFERENCES:
patent: 3182898 (1965-05-01), Hewson
patent: 3368352 (1968-02-01), Hewson
patent: 3449914 (1969-06-01), Brown
patent: 3549272 (1970-12-01), Bauger et al.
patent: 3610533 (1971-10-01), Johnson et al.
patent: 3750402 (1973-08-01), Vdoviak et al.
patent: 3797233 (1974-03-01), Webb et al.
patent: 3841091 (1974-10-01), Sargisson et al.
patent: 3867813 (1975-02-01), Leibach

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