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Novel Electric Micromotor for Consumer Electronics Applications
Journal article   Peer reviewed

Novel Electric Micromotor for Consumer Electronics Applications

Ezzat G. Bakhoum and Marvin H. M. Cheng
IEEE transactions on consumer electronics, Vol.58(4), pp.1103-1109
11/01/2012
DOI: https://doi.org/10.1109/TCE.2012.6414974
Web of Science ID: WOS:000314168700002

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Abstract

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 mu N. m. in a package with a volume of approximately 50 mm(3). 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(1).

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