Rotor control system for a helicopter

Claim 1

A ROTOR FOR USE IN A HELICOPTER HAVING A FUSELAGE AND A SUBSTANTIALLY VERTICAL POWER DRIVEN MAIN SHAFT CONNECTED WITH SAID FUSELAGE WHICH ROTOR INCLUDES IN COMBINATION: A HUB CONNECTIBLE WITH SAID SHAFT, A PLURALITY OF SIMILAR RADIALLY EXTENDING BLADES EACH INCLUDING AN OUTBOARD AIRFOIL LIFTING PORTION CONNECTED WITH SAID HUB FOR LIMITED TURNING MOVEMENT ABOUT A RADIAL AXIS, A PLURALITY OF SIMILAR AIRFOIL FLAPS CARRIED RESPECTIVELY BY SAID LIFTING PORTIONS AND PIVOTALLY MOVABLE RELATIVELY THERETO ABOUT AXES SUBSTANTIALLY PARALLEL WITH SAID RADIAL AXES, A PLURALITY OF SIMILAR MECHANISMS ON THE RESPECTIVE BLADES FOR PIVOTALLY MOVING THE SEVERAL FLAPS RELATIVELY TO THEIR LIFTING PORTIONS SO AS TO ENABLE SAID FLAPS TO ACT AERODYNAMICALLY DURING ROTOR ROTATION TO TURN SAID LIFTING PORTIONS ABOUT SAID RADIAL AXES AND TO THEREBY CHANGE THEIR EFFECTIVE PITCHES, EACH SAID FLAP MOVING MECHANISM INCLUDING INBOARD ACTUATING ELEMENTS CONNECTIBLE WITH A NONROTATABLE PILOT ACTUATED PITCH CONTROL MECHANISM ON THE FUSELAGE AND ALSO INCLUDING OUTBOARD ACTUATING ELEMENTS CONNECTED WITH SAID INBOARD ACTUATING ELEMENTS AND EXTENDING OUTWARDLY THEREFROM, AND A PLURALITY OF SIMILAR AUXILIARY FLAP MOVING MECHANISMS ON THE RESPECTIVE BLADES EACH OPERATIVELY DEPENDENT UPON PITCH CHANGING TURNING MOVEMENT OF THE LIFTING PORTION OF THE CORRESPONDING BLADE AND SERVING UPON SUCH TURNING MOVEMENT TO MOVE THE CORRESPONDING OUTBOARD ACTUATING ELEMENTS INDEPENDENTLY OF THE CORRESPONDING INBOARD ACTUATING ELEMENTS SO AS TO PIVOTALLY MOVE THE CORRESPONDING FLAP RELATIVELY TO ITS LIFTING PORTION AND IN THE SAME DIRECTION THAT SAID LIFTING PORTION IS TURNED ABOUT ITS RADIAL AXIS BY THE AERODYNAMIC ACTION OF SAID FLAP.