Solenoid Activated Magnetic Shielding Sleeve Motor -Video 03 Autono-Drive

Video 03 shows the motor in motion. The motor has twin stator housings with integral bearing supports and twin magnet rotors. Each stator has 4 alnico magnets (2 north poles facing inward 180 degrees apart & 2 south poles facing inward 180 degrees apart at 90 degrees to the first pair). Each magnet rotor consists of one 4-pole magnet taken from a bicycle generator.

Between the stators is a double open-ended flux sleeve or shield which oscillates parallel to the main rotor shaft. It slides in bushings in the stator housing, not on the shaft, so as to not add drag on the main rotor shaft. It is oscillated by a pair of solenoids which are energized alternately by a micro-switch which has normally open ("n.o.") and normally closed ("n.c.") contacts. The micro-switch is activated by a 2-lobed cam on the main rotor shaft and secured by a set screw to adjust for optimum performance. The magnets on the main rotor shaft are mounted so that the like poles are 90 degrees to each other, i.e. when a north pole is at the 12 o'clock position of one magnet rotor, the south pole is at the 12 o'clock position of the other magnet rotor. Each stator housing has the same magnet locations as the other. The magnetic shielding sleeve is made from soft iron which is iron that does not retain magnetism after being in contact with a magnet. It has a designation of C1018.

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[MrWombatPPC]

Great Idea. Now do away with the solonid. Get yourself an old CLock. Use the large coil spring, and make a clockwork motor. then it realy is FREE. Just wind it up in the morning, and off ya go. :-)

[MagnetOnlyMotors]

MrWombatPPC, My projects are leading me to go beyond using wind up springs. It is an interesting idea though... Thanks, Donovan.

[PeterRRadkov]

I assume that the problem with this method will turn out to be the magnetic resistance that forms when moving the shield through the magnetic field of the stator and the rotor. I think that the amount of energy necessary to drive the shield through the field will be equal to (ideally, and in reality more than)  the enery produced bu the rotation of the motor. If one could shield and un-shield the magnets doing work that's independent of the strength of the driving magnets - voilla.

[MagnetOnlyMotors]

PeterRRadkov. Yes, there is resistance when the shield is fully extracted, but it does not have to be fully extracted to release the working magnets. Try it my friend. Thanks,

 Donovan.

[PeterRRadkov]

I don't get it - please explain - are you saying that you are able to get enough power from the motor to move the solenoid back and forth?

[MagnetOnlyMotors]

PeterRRadkov, No, this unit was made to show the capabilities of magnetic shileding. This one is not capable of powering it self, but I am working on it. Thanks. Donovan.

[zeropointfuel]

excellent job! solenoid motors have great potential. keep up the good work

[terracer]

Thanks for trying to figure this stuff out -

I think we need to find some type of shielding mechanism that isn't reciprocating. The circular motion HAS to be much more efficient than the back and forth motion..I have been thinking about some type of geared disk that could be cut with specific gaps at precise locations that would allow the mag fields to flow when needed and could then also block them. Like a rotary valve on a two stroke ICE...

[MagnetOnlyMotors]

ehnriko, Thankyou very much for the positive feed back.