CPC B64C11/343

From Inventing aviation
Jump to navigation Jump to search

Automatic mechanical blade-pitch-changing mechanisms actuated by the centrifugal force or the aerodynamic drag acting on the blades.[1][2][3]

References

Patents in category CPC B64C11/343

Enclosing categories CPC B64C11/34
Subcategories
Keywords Propellers
Start year
End year