发明名称 |
A HELICOPTER |
摘要 |
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.
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申请公布号 |
CA2614388(A1) |
申请公布日期 |
2007.01.18 |
申请号 |
CA20062614388 |
申请日期 |
2006.06.26 |
申请人 |
HALLETT, BRIAN RICHARD;BLACKBURN, DONALD GEORGE |
发明人 |
HALLETT, BRIAN RICHARD;BLACKBURN, DONALD GEORGE |
分类号 |
B64C27/08;B64C11/00;B64C27/00;B64C27/10;B64C27/82 |
主分类号 |
B64C27/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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