Dual fan engine for VTOL pitch control

Details Dual fan engine for VTOL pitch control Dual fan engine for VTOL pitch control

1977-07-25

1980-09-16

Garrett, Robert E.

Power plants

Reaction motor

Interrelated reaction motors

60230, F02K 306

Patent

active

042222346

ABSTRACT:
A core engine with a single shaft driving both a forward and a rear fan, with the fans discharging into separate nozzles which are variable to direct exhaust gases in either the downward or rearward direction or in any direction therebetween. Separate flow modulating means are provided with the fans to selectively vary the respective thrusts produced. By selective modulation of the nozzles and the flow-varying means, both engine angle control and position control may be obtained in all three planes. A third variable position nozzle is provided to direct the discharge flow of the core turbine between the downward and rear directions to thereby augment the thrust and control functions.

REFERENCES:
patent: 2281203 (1942-04-01), Pitcairn
patent: 2912188 (1959-11-01), Singelmann
patent: 3191886 (1965-06-01), Lewis et al.
patent: 3368352 (1968-02-01), Hewson
patent: 3394548 (1968-07-01), Grieb
patent: 3433244 (1969-03-01), Gardiner et al.
patent: 3577736 (1971-05-01), Stevens
patent: 3761042 (1973-09-01), Denning
patent: 3792584 (1974-02-01), Klees
patent: 3886737 (1975-06-01), Grieb
patent: 4054030 (1976-04-01), Pedersen
patent: 4080785 (1978-03-01), Koff

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