Leading-edge flap system

Details Leading-edge flap system Leading-edge flap system

1989-03-01

1990-06-12

Barefoot, Galen

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244214, 244 76C, 244195, 364442, 364432, B64C 1316

Patent

active

049326112

ABSTRACT:
In order to realize an optimum operating condition of a leading-edge flap, a wind-direction sensor and a load sensor are provided at a leading-edge flap or at each of a plurality of parts of a leading-edge flap divided along the direction of a wing span. An operational control mechanism is also provided for calculating an optimum angle of the leading-edge flap on the basis of information supplied from the wind-direction sensor and the load sensor, and for operating an actuator for varying the angle of the leading-edge flap so as to attain the calculated optimum angle. The wind-direction sensor is preferably either a hot-wire anemometer or a pressure sensor.

REFERENCES:
patent: 2996270 (1961-08-01), Farr et al.
patent: 3940093 (1976-02-01), Cabrieve
patent: 4040580 (1977-08-01), Schwaerzler
patent: 4120469 (1978-10-01), Wetermeier
patent: 4189120 (1980-02-01), Wang
patent: 4610213 (1986-09-01), Walker
patent: 4741503 (1988-05-01), Anderson et al.

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