A helicopter

Details A helicopter A helicopter

B - Operations, Transporting

64

C

B64C 27/08 (2006.01) B64C 11/00 (2006.01) B64C 27/00 (2006.01) B64C 27/82 (2006.01)

Patent

CA 2614388

A helicopter (2) comprising a body portion (4), a plurality of rotor blades (6) which are mounted for rotation with respect to the body portion (4), and a fan (8) which is mounted for rotation in an opposite direction to the direction of rotation of the rotors (6), the rotor blades (6) being such that they are spaced apart in a vertical direction, and the fan (8) being such that when it rotates it generates a torque which acts to counteract at least a part of the torque generated by the rotor blades (6) when they rotate.

La présente invention concerne un hélicoptère (2) qui comprend une partie de corps (4), une pluralité de pales de rotor (6) qui sont montées pour tourner par rapport à la partie de corps (4), et un ventilateur (8) qui est monté pour tourner dans une direction opposée à la direction de rotation des rotors (6), les pales de rotor (6) étant telles qu~elles sont espacées les unes des autres dans une direction verticale, et le ventilateur (8) étant tel que, lorsqu~il tourne, il génère un couple qui agit pour contrer au moins une partie du couple généré par les pales de rotor (6) lorsqu~elles tournent.

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