Biomimetic mechanism for micro aircraft

Details Biomimetic mechanism for micro aircraft Biomimetic mechanism for micro aircraft

2005-09-06

2005-09-06

Eldred, J. Woodrow (Department: 3644)

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and beating wing sustained

C244S022000, C244S072000, C446S035000

Reexamination Certificate

active

06938853

ABSTRACT:
A biomimetic pitching and flapping mechanism including a support member, at least two blade joints for holding blades and operatively connected to the support member. An outer shaft member is concentric with the support member, and an inner shaft member is concentric with the outer shaft member. The mechanism allows the blades of a small-scale rotor to be actuated in the flap and pitch degrees of freedom. The pitching and the flapping are completely independent from and uncoupled to each other. As such, the rotor can independently flap, or independently pitch, or flap and pitch simultaneously with different amplitudes and/or frequencies. The mechanism can also be used in a non-rotary wing configuration, such as an ornithopter, in which case the rotational degree of freedom would be suppressed.

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