B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
B64C 27/52 (2006.01) B64C 13/24 (2006.01)
Patent
CA 2496776
A control system for a rotorcraft is disclosed. The control system includes a stepped mixing linkage (53), such that a selected amount of right-left lateral cyclic output is generated for certain amounts of forward-aft cyclic input. The stepped mixing linkage (53) includes two supporting links and a floating link (73) pivotally coupled between the two supporting links. The ratio of the lengths of the two supporting links to the length of the floating link (73) is small, thereby generating a selected lateral sinusoidal output, a selected rotation of the sinusoidal output, and a selected ramped output in response to each forward-aft pilot input command.
L'invention concerne un système de commande de giravion, qui comporte un embiellage mélangeur à gradins ; ainsi, une quantité choisie de rendement cyclique latéral droite-gauche se produit pour certaines quantités d'entrée cyclique avant-arrière. Ledit embiellage comporte deux liaisons porteuses et une liaison flottante couplée pivotante entre les deux liaisons porteuses. Le rapport des longueurs des deux liaisons porteuses et de la liaison flottante est faible, ce qui produit une sortie sinusoïdale latérale choisie, une rotation choisie de la sortie sinusoïdale, et une sortie intégrée choisie en réponse à chaque ordre d'entrée du pilote avant-arrière.
Fenny Carlos A.
Hicks Duane
Bell Helicopter Textron Inc.
Macrae & Co.
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