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Patent Agency Ranking
公开(公告)号：US12025640B2
公开(公告)日：2024-07-02
申请号：US17941705
申请日：2022-09-09
Applicant: DENSO CORPORATION
Inventor： Hiromi Ichijyo
CPC classification number: G01R15/207 , G01R15/20 , G01R19/0092 , H02M1/0009 , H02M7/5387 , H02P5/74 , G06F18/22 , G06N3/088
Abstract: A current detection device includes: a first conductor providing a part of a current path between a first inverter and a first rotary electric machine; a second conductor providing a part of a current path between a second inverter and a second rotary electric machine; a third conductor providing a part of a current path between a DC power supply and a converter; and first to third elements respectively arranged to face the first to third conductors. Each of the first to third elements is configured to detect a magnetic flux generated by an electric current flowing through a corresponding conductor in a coreless manner. A maximum value of the electric current in the second conductor is smaller than maximum values of the electric current in the first and third conductors. The second conductor is arranged between the first conductor and the third conductor in a predetermined direction.
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公开(公告)号：US11973433B2
公开(公告)日：2024-04-30
申请号：US17690170
申请日：2022-03-09
Applicant: DENSO CORPORATION
Inventor： Hiromi Ichijyo , Yuu Yamahira , Kazuya Takeuchi , Masanori Sakata , Masayoshi Nishihata
IPC: H02M7/00 , H01L23/31 , H01L23/528 , H01L25/18 , H02M7/5387 , H02P27/06
CPC classification number: H02M7/003 , H01L23/3107 , H01L23/5286 , H01L25/18 , H02M7/5387 , H02P27/06
Abstract: A first module includes a first switch having a first electrode and a second electrode; a second switch having a third electrode and a fourth electrode; a second internal bus bar connecting the second electrode with the third electrode; and a first resin member encapsulating those components. A second module with includes a third switch having a fifth electrode and a sixth electrode; a fourth switch having a seventh electrode and an eighth electrode; a fifth internal bus bar connecting the sixth electrode with the seventh electrode; and a second resin member encapsulating those components. At least one of a first terminal of the second internal bus bar exposed from the first resin member and a second terminal of the fifth internal bus bar exposed from the second resin member extends toward the other and are directly joined with each other.
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公开(公告)号：US12166429B2
公开(公告)日：2024-12-10
申请号：US17954693
申请日：2022-09-28
Applicant: DENSO CORPORATION
Inventor： Yuu Yamahira , Toshiyuki Kouno , Hiromi Ichijyo , Kazuya Takeuchi , Tatsuya Murakami , Yuuya Hashimoto
Abstract: A power converter includes a control circuit executing feedback control of a first inverter based on a detected value of a first sensor adapted to a first rotating electrical machine. The first sensor detects a current of a first busbar adapted to the first rotating electrical machine. The first busbar connects the first inverter and the first rotating electrical machine. A second busbar adapted to a second rotating electrical machine connects a second inverter and the second rotating electrical machine. The second busbar is arranged to be apart from the first sensor interposed with a converter busbar between the second busbar and the first sensor. A current of the converter flows through the converter busbar.
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公开(公告)号：US12081137B2
公开(公告)日：2024-09-03
申请号：US17954593
申请日：2022-09-28
Applicant: DENSO CORPORATION
Inventor： Yuuya Hashimoto , Yuu Yamahira , Toshiyuki Kouno , Hiromi Ichijyo , Kazuya Takeuchi , Tatsuya Murakami , Tetsuya Matsuoka
IPC: H02M7/00 , H02M7/5387 , H02P27/08
CPC classification number: H02M7/003 , H02M7/53871 , H02P27/08
Abstract: A power converter includes an inverter, a converter, an electrical-machine busbar, an electrical-machine sensor, an electrical-machine-sensor housing, a converter, a converter busbar, a converter-sensor housing. The inverter supplies a three-phase alternating current to a rotating electrical machine. The converter converts a voltage between a direct current power supply and the inverter. The electrical-machine busbar passes a current between the inverter and the rotating electrical machine. The electrical-machine sensor detects the current flowing through the electrical-machine busbar based on a magnetic field. The electrical-machine-sensor housing accommodates the electrical-machine sensor and the electrical-machine busbar together. The converter sensor detects the current flowing through the converter based on a magnetic field. The converter-sensor housing is disposed apart from the electrical-machine-sensor housing, and accommodates the converter sensor and the converter busbar together.
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公开(公告)号：US11973432B2
公开(公告)日：2024-04-30
申请号：US17690141
申请日：2022-03-09
Applicant: DENSO CORPORATION
Inventor： Hiromi Ichijyo , Yuu Yamahira , Kazuya Takeuchi , Masanori Sakata , Masayoshi Nishihata
IPC: H02M7/00 , H01L23/31 , H01L23/528 , H01L25/18 , H02M7/5387 , H02P27/06
CPC classification number: H02M7/003 , H01L23/3107 , H01L23/5286 , H01L25/18 , H02M7/5387 , H02P27/06
Abstract: First switches include first electrodes, which are mutually connected with each other via a first internal bus bar, and second electrodes, which are mutually connected with each other via a second internal bus bar. A first resin member encapsulates the first switches and the first and second internal bus bars. Second switches include third electrodes, which are mutually connected with each other via a third internal bus bar, and fourth electrodes, which are mutually connected with each other via a fourth internal bus bar. A second resin member that encapsulates the second switches and the third and fourth internal bus bars. The second module is arranged alongside with the first module. The second internal bus bar and the third internal bus bar are partially exposed from the first resin member and the second resin member, respectively, and are directly joined with each other.
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