Airplane instrument with throttle control selectively regulated

Details Airplane instrument with throttle control selectively regulated Airplane instrument with throttle control selectively regulated

1976-12-23

1978-06-06

Kunin, Stephen G.

Aeronautics and astronautics

Aircraft control

Automatic

73178R, 244181, 340 27AT, 340 27SS, 364435, 364440, G05D 108

Patent

active

040931587

ABSTRACT:
An aircraft instrument comprising equipment for providing a first signal which is a function of airspeed and suitable for use in controlling an aircraft by variation of the airspeed to a predetermined value, an apparatus for providing a second signal which is a function of lift and suitable for use in controlling the aircraft by variation of the airspeed to adjust the lift to a predetermined value, and a selecting apparatus arranged to apply the second signal to a signal utilization mechanism for controlling the aircraft in accordance with said second signal except when said second signal falls below a predetermined datum level, which represents a safe margin above stall, whereupon the first signal is applied to the signal utilization mechanism, the selecting apparatus being arranged to provide a transition between control by the first signal and control by the second signal which is shorter than a transition between control by the second signal and control by the first signal.

REFERENCES:
patent: 2933268 (1960-04-01), Jude et al.
patent: 3486722 (1969-12-01), Greene
patent: 3522729 (1970-08-01), Miller
patent: 3614036 (1971-10-01), Foster
patent: 3648079 (1972-03-01), Bryant et al.
patent: 3980258 (1976-09-01), Simeon

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