专利名称：VARIABLE-CAMBER AIRFOIL 发明人：COLE, James, Byron
申请号：EP83901268.9
申请日：19821230
公开号：EP0130983B1
公开日：
19871021
专利内容由知识产权出版社提供variable used in lambda
摘要：PCT No. PCT/US82/01822 Sec. 371 Date Dec. 30, 1982 Sec. 102(e) Date Dec. 30, 1982 PCT Filed Dec. 30, 1982 PCT Pub. No. WO84/02691 PCT Pub. Date Jul. 19, 1984.A variable-camber airfoil includes a four-bar linkage camber altering mechanism and a flexible panel in the lower skin of the airfoil. A flexible upper skin extends from the upper end of a front spar assembly to the upper end of a nose structure of the airfoil. A rotary actuator is mounted forward of the front spar assembly within the cavity of the airfoil, and is used to actuate the camber altering mechanism. A main drive arm, which acts as a link in the camber altering mechanism, extends forwardly from the rotary actuator. To actuate the camber altering mechanism, the main drive arm is rotated downwardly and rearwardly through an arcuate path in a vertical chordwise plane. The main drive arm pulls downwardly on first and second links, which, due to the kinematics of the four-bar linkage, causes the nose structure to rotate and move downwardly and rearwardly in a manner that will produce the desired aerodynamic curvature in the flexible upper skin. As the airfoil is cambered, a forward portion of the lower skin of the airfoil is moved slidingly past the forward edge of a lower skin flexible panel in an upward and rearward direction,causing the forward edge of the panel to flex downwardly.
申请人：THE BOEING COMPANY
地址：P.O. Box 3707, M.S. 6Y-25 Seattle, Washington 98124-2207 US 国籍：US
代理机构：Konings, Lucien Marie Cornelis Joseph
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