MOTOR DEVICE AND VEHICLE-MOUNTED SEAT AIR CONDITIONER

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200028455A1
SERIAL NO

16483904

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A motor device includes: a motor body including a rotor, multi-phase coils for rotating the rotor, and an oil-retaining bearing supporting the rotor for rotation; and a drive control unit detecting a position of the rotor based on counter electromotive force of any of the multi-phase coils, and controlling energization of the multi-phase coils according to the position of the rotor, wherein the drive control unit feedback-controls energization of the multi-phase coils such that rotational speed of the rotor does not fall below a threshold value at which detection of rotational position of the rotor based on the counter electromotive force is impossible.

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Patent Owner(s)

Patent OwnerAddress
SHINANO KENSHI CO LTD1078 KAMIMARUKO UEDA-SHI NAGANO 386-0498

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KOBAYASHI, Kazuhiro Nagano, JP 227 2412
KOSAKA, Yuki Nagano, JP 13 77
MARUYAMA, Nobuchika Nagano, JP 14 30
NISHIHARA, Masayuki Nagano, JP 1 0

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