Aeronautics and astronautics – Aircraft control – Automatic
Patent
1975-09-12
1977-08-09
Blix, Trygve M.
Aeronautics and astronautics
Aircraft control
Automatic
114145R, 244203, 244113, 91400, 91402, B64C 1336, B64C 932
Patent
active
040405800
ABSTRACT:
The present apparatus controls the position of the brake flap or air brake of an aircraft. The air brake is operated by a power amplifier including a pressure cylinder and a piston. The piston is mechanically coupled to the brake flap or air brake in such a manner that the displacement of the brake flap is about proportional to the brake flap angle. The pressure in the cylinder is controlled in response to or as a function of the brake flap angle so that the flap is positioned at the angle required for the particular braking action, whereby the force caused by the dynamic or impact pressure is maintained in equilibrium with the force exerted by the pressure piston cylinder arrangement.
REFERENCES:
patent: 2104627 (1938-01-01), Manteuffel
patent: 2188834 (1940-01-01), Fischel et al.
patent: 2316235 (1943-04-01), Gast
patent: 3026678 (1962-03-01), Kibele
patent: 3456881 (1969-07-01), Beitler et al.
patent: 3913450 (1975-10-01), MacGregor
Barefoot Galen L.
Blix Trygve M.
Fasse W. G.
Messerschmitt-Boelkow-Blohm GmbH
Roberts W. W.
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