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公开(公告)号：US20210320566A1
公开(公告)日：2021-10-14
申请号：US17223527
申请日：2021-04-06
Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Kouki YAMAMOTO , Mikio YOSHIDA , Kenji HAYAKAWA , Takuya SAGAWA , Yusuke KINOSHITA , Shunsuke AMBO , Junya KAIDA
Abstract: An electric compressor includes a compression part, an electric motor, an inverter device, and a housing. The inverter device includes an inverter circuit, a noise reduction unit, and a circuit board. The noise reduction unit includes a common mode choke coil and a smoothing capacitor. The common mode choke coil includes an annular core, a pair of winding wires, and an annular electrical conductor. The electrical conductor is split into a first metal plate and a second metal plate in a circumferential direction. The first metal plate is thermally coupled to the housing. The second metal plate is electrically connected to the first metal plate. An electrical resistance value of the first metal plate is larger than that of the second metal plate.
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公开(公告)号：US20210301803A1
公开(公告)日：2021-09-30
申请号：US17209958
申请日：2021-03-23
Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
Inventor： Shunsuke AMBO , Yoshiki NAGATA , Takashi KAWASHIMA , Hiroshi FUKASAKU , Kaida JUNYA , Takeshi HARASAWA , Kenji HAYAKAWA , Takuya SAGAWA , Fumihiro KAGAWA , Mikio YOSHIDA , Kouki YAMAMOTO
Abstract: A vehicle electric compressor includes a compression part, an electric motor, and an inverter device. The inverter device includes a noise reduction unit that includes a common mode choke coil. The common mode choke coil includes a core, a first winding wire, a second winding wire, and an electrical conductor that covers the core. The electrical conductor has a first insulation layer and a second insulation layer. The first insulation layer, the electrical conductor, and the second insulation layer form a laminated body including a loop-shaped portion that covers the core and a joint portion.
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