Solenoid Activated Magnetic Shielding Sleeve Motor -Video 04 Autono-Drive

Video 04 shows a partial disassembly for viewing the components. 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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[MagnetOnlyMotors]

MrWombatPPC, Wish I still had a metal Lathe to do this kinda stuff. Thanks, Donovan.

[MrWombatPPC]

Nice engineering. Wish I hade a metal Lathe to do this kinda stuff.