Proof of Concept Prototype

The proof of concept mechanism is illustrated below.  Electricity is fed to the motors via brushes and slip rings.   The motors rotate airfoils, and the airfoils create lift which causes the beam and shaft to rotate driving the alternator which generates 3-phase current which is then rectified.

The airfoils have a profile as shown below.

  The motors are driven either by a power supply or by the output of the alternator after rectification as shown below.

This circuit would probably be better if the output of the Rectifier drives a resistive load when the power supply is driving the motors as shown below.  The resistive load should be chosen to be approximately equivalent to the load of the two motors so there will be no abrupt loading change on the alternator when the switches are switched.

The motors spin airfoils which create “Lift”.  (Each motor actually spins two airfoils – one on each side of the motor shaft).  The Lift will cause the shaft of the MOTOR to rotate the shaft of the Alternator which will generate 3-phase alternating current.

The output of the alternator is rectified and connected to brushes so that, if the switches as shown in the drawings above are in the down position, the rectified output will be fed back to the motors.  The switch allows the motors to be driven either by a power supply or by the rectified output of the alternator.  The power supply will be used to get the airfoils up to speed and then the switch will be used to close the feedback loop to see if motion will continue or stop.  The switch would need to be solenoid controlled so that it could be closed or opened at a distance from the mechanism.

A high-current Zener diode (or some other type of voltage regulator) may be used to make sure a certain voltage to the motors is not exceeded.  The voltage output from the alternator and rectifier should be a smooth function of MOTOR RPM.