Throttle valve device and method for magnetizing the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11867309
APP PUB NO 20210062931A1
SERIAL NO

16992173

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A throttle valve device includes a body, a valve, a motor, and a cover. The body defines a passage, a motor space, and a connecting portion that connects the motor space to the passage. The motor includes a motor yoke made of a magnetic material, a plurality of magnets that are arranged on an inner circumferential surface of the motor yoke. The plurality of magnets are magnetized in a state where the motor yoke is disposed in the motor space of the body. The plurality of magnets are arranged in a circumferential direction in the motor yoke with a space. The connecting portion is aligned with the space between the plurality of magnets in a radial direction of the motor yoke.

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Patent Owner(s)

Patent OwnerAddress
DENSO CORPORATIONKARIYA-CITY
DENSO DAISHIN CORPORATION200 AZA-OHAYASHI KUME TOKONAME-SHI AICHI 479-8511

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujinaka, Yuta Tokoname, JP 7 7
Ishihara, Kenichi Tokoname, JP 25 291
Kawano, Yasushi Tokoname, JP 21 497
Shimizu, Tohru Tokoname, JP 25 116
Uno, Makoto Tokoname, JP 33 215

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