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Novel electric micromotor for consumer electronics applications

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2 Author(s)
Bakhoum, E.G. ; Dept. of Electr. & Comput. Eng., Univ. of West Florida, Pensacola, FL, USA ; Cheng, M.H.M.

This paper introduces a novel electric micromotor that will be useful for a broad new array of consumer products. The micromotor has achieved an efficiency of 65% and a minimum torque of 11.6 μN.m. in a package with a volume of approximately 50 mm3. The device essentially consists of a very small quantity of water, a group of bubble injectors (similar to those used in inkjet printer technology), and an impeller. The bubble injectors propel high-velocity water micro-droplets toward the impeller, forcing it to rotate. The water is collected and is circulated back to the injectors. Comparisons with other existing micromotor technologies are given.

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:58 ,  Issue: 4 )

Date of Publication:

November 2012

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