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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0257385 (1981-04-24) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 20 인용 특허 : 2 |
This invention relates to an adjustable airfoil which in one embodiment includes a pivotal mast having laterally extending spaced upper and lower arms. Between the arms is a vane which is rotatably mounted on the mast and has a luff slot at its aft end for receiving the forward end of spaced battens
An adjustable airfoil comprising: a free-standing mast which is rotatable about an axis generally perpendicular to a support surface on which said mast is to be mounted, said mast having an upper end and a lower end; at least a first arm fixedly attached to said upper end of said mast and extending
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