ROTORCRAFT
A rotorcraft (1) includes a fuselage (2), rotors (3) and circular wings (14). The rotors (3) are attached to the fuselage (2). The rotors (3) are attached to the fuselage (2). The circular wings (14) are disposed under the rotors (3) respectively. Upper surfaces of the circular wings (14) have annul...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A rotorcraft (1) includes a fuselage (2), rotors (3) and circular wings (14). The rotors (3) are attached to the fuselage (2). The rotors (3) are attached to the fuselage (2). The circular wings (14) are disposed under the rotors (3) respectively. Upper surfaces of the circular wings (14) have annular curved surfaces and thereby are convex upward respectively. The circular wings (14) cause Coanda effects by the upper surfaces respectively. First lift is generated by rotating the rotors (3). Second lift is generated by the Coanda effects by the circular wings (14). Third lift is generated by air jets deflected downward along the upper surfaces of the circular wings (14) respectively. |
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