Drive unit for multiphase permanent magnet synchronous motor

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United States of America Patent

PATENT NO 9932204
SERIAL NO

15111028

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A conveyance system includes a car; a machine for imparting motion to the car, the machine including a stator and a rotor, the stator including 12*k stator teeth, the rotor including 11*k rotor poles, wherein k is a natural even number, the machine including windings located at the stator teeth, the windings arranged in 6 phases; and a drive unit for providing drive signals to the machine, the drive unit including a plurality of drives, the number of drives being an integer multiple of 2.

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Patent Owner(s)

Patent OwnerAddress
OTIS ELEVATOR COMPANYONE CARRIER PLACE FARMINGTON CT 06032

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jedryczka, Cezary Lniano, PL 25 100
Piech, Zbigniew Cheshire, US 78 600
Szelag, Wojciech Poznan, PL 25 113

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