2013
DOI: 10.4236/mme.2013.34021
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Cycloidal Magnetic Gear Speed Reducer

Abstract: A cycloidal speed reducer employing gears with permanent magnets acting as teeth is described. The magnets, which have their axes radially oriented in both the orbiting gear and the fixed internal gear, are inserted in holes drilled in nonmagnetic rims without protruding from the cylindrical exposed surfaces. Because the orbiting gear is not restrained radially, it contacts the fixed gear and rolls on its inner surface. A normal force is developed at the contact point between the gears to balance the magnetic … Show more

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Cited by 12 publications
(2 citation statements)
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“…There is only one layer of air gap inside the gear, and the torque density is significantly improved compared with the FMMG using modulator [92,93]. However, both the harmonic and cycloidal MGs are rather difficult to build due to the complicated structure and additional mechanical devices [94,95].…”
Section: Field Modulation Patternmentioning
confidence: 99%
“…There is only one layer of air gap inside the gear, and the torque density is significantly improved compared with the FMMG using modulator [92,93]. However, both the harmonic and cycloidal MGs are rather difficult to build due to the complicated structure and additional mechanical devices [94,95].…”
Section: Field Modulation Patternmentioning
confidence: 99%
“…The rolling contact increases efficiency and allows the unit to work in reverse as a speed amplifier. All of these are according to the concept described in Patent US 9,927,012 [6].…”
Section: Introductionmentioning
confidence: 99%