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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0956005 (1978-10-30) |
우선권정보 | AT-0007749 (1977-10-31); AT-0004309 (1978-06-13); AT-0004310 (1978-06-13) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
A rotationally symmetrical supporting member provides lift in response to movement of air over its upper surface, and such air movement is produced by the impeller of a coaxially arranged drive unit, the base of which is connected to the supporting member so that counter torque from the drive unit i
A flying craft comprising a rotationally symmetrical supporting means for creating vertical lift in response to the movement of air over its upper surface, said supporting means having a cross section in the form of an airfoil profile, an inner driving unit coaxially arranged with said supporting me
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