Power conversion device and method for manufacturing the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12040695
APP PUB NO 20220376606A1
SERIAL NO

17754633

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A power conversion device includes a power conversion module, a phase change material, a heat dissipation member, a cooling mechanism, and a controller. A semiconductor switching element and a freewheeling diode configure a power conversion circuit. The phase change material is provided on a principal plane of a casing. The heat dissipation member includes a heat dissipation surface. The heat dissipation surface is overlapped with the principal plane to sandwich the phase change material. The cooling mechanism cools the heat dissipation member. The controller generates a driving signal for driving the power conversion circuit and controls the cooling mechanism. The controller includes a predetermined heating operation. The heating operation may drive the power conversion circuit, in a state that the cooling mechanism is stopped or intermittently operated, such that heat generation occurs in both the semiconductor switching element and the freewheeling diode.

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Patent Owner(s)

Patent OwnerAddress
TMEIC CORPORATION1-1 KYOBASHI 3-CHOME CHUO-KU TOKYO 104-0031

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukasawa, Issei Tokyo, JP 19 6
Kinoshita, Masahiro Tokyo, JP 111 2373
Shibata, Naoya Tokyo, JP 73 248

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