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公开(公告)号：US10418726B2
公开(公告)日：2019-09-17
申请号：US16084000
申请日：2016-10-13
Inventor： Junichi Yukawa , Tatehiko Inoue
Abstract: A bus bar connection structure includes a housing, a circuit board including metal, and a bus bar that are disposed in order from a lower side, a lower nut including metal and disposed in an upper surface-side of the housing in a state in which the lower nut is embedded in the housing, and a bolt including metal. On an upper surface of the circuit board, an insulation layer and a copper foil pattern are formed in order from a lower side. An insulation paper piece is disposed between the lower nut and the circuit board. The bolt is screwed into the lower nut in a state in which the bolt is inserted through the insulation paper piece, the circuit board, the insulation layer, the copper foil pattern, and the bus bar. A rotation-preventing part is further provided, the rotation-preventing part preventing the insulation paper piece from rotating due to torque generated during fastening of the bolt.
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公开(公告)号：US10652997B2
公开(公告)日：2020-05-12
申请号：US16270517
申请日：2019-02-07
Inventor： Akitaka Yoshikawa , Tatehiko Inoue , Hisazumi Watanabe
Abstract: The present disclosure reduces parasitic inductances of current paths between components. First conductor path is provided on a surface of insulating layer. One of a power supply voltage and a ground voltage is applied to first conductor path. Second conductor path is provided on the surface of insulating layer. The other of the power supply voltage and the ground voltage is applied to second conductor path. First switching element is connected to output pattern and to first conductor path. Second switching element is connected to output pattern and to second conductor path. At least one of first conductor path and second conductor path has a continuous annular path.
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