Two-step connection of electric motors by means of electromagnetic switches

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United States of America Patent

PATENT NO 9590536
APP PUB NO 20140265995A1
SERIAL NO

13815863

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Abstract

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A method and apparatus using electromagnetic switching in a two-step connection process is provided to minimize surge currents and torque oscillations in three-phase motors during starts.

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Patent Owner(s)

  • ROCKWELL AUTOMATION TECHNOLOGIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kinsella, James J Pleasant View, US 33 382
Unsworth, Peter Lewes, GB 22 435

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