Cowling arrangement for a turbofan engine

Details Cowling arrangement for a turbofan engine Cowling arrangement for a turbofan engine

1974-02-25

1976-11-02

Croyle, Carlton R.

Power plants

Reaction motor

Interrelated reaction motors

60271, 23926539, F02K 302, B64C 1506

Patent

active

039888894

ABSTRACT:
A cowling arrangement is provided for a turbofan engine of the variable pitch fan blade type wherein the aft portion of the fan cowling has the ability both to slide axially with respect to the main forward portion, providing an annular intake to increase reverse airflow during reverse pitch fan operation, and to vary radially so as to adjust exit area during normal operation at forward pitch.

REFERENCES:
patent: 3047257 (1962-07-01), Chester
patent: 3082792 (1963-03-01), Jenkins
patent: 3511055 (1970-05-01), Timms
patent: 3612402 (1971-10-01), Timms et al.
patent: 3747341 (1973-07-01), Davis
patent: 3785567 (1974-01-01), Fischer

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