Patents by Inventor Mitsunori Ishizaki
Mitsunori Ishizaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11641143Abstract: A control device-integrated rotary electric machine that has a light weight and a small radial-direction dimension. A cylindrical member is provided between a stator formed by stacking electromagnetic steel sheets and a frame retaining the stator, such that the cylindrical member is in a press-fitted state against the stator and the frame. The cylindrical member has a flange portion at one end thereof, and the flange portion is fixed by being held between the frame and a heat sink which is a member composing a control device.Type: GrantFiled: February 7, 2018Date of Patent: May 2, 2023Assignee: Mitsubishi Electric CorporationInventors: Mitsunori Ishizaki, Toshihiro Matsunaga, Takashi Yamamoto
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Patent number: 11581786Abstract: The rotary electric machine includes a motor unit, and an inverter unit having a power module, a field module, and a cooler. The cooler includes a heat transfer member having, on the one-side surface, a channel groove recessed toward the other side, a lid member, a sealing agent, and a coolant supply/discharge unit; and the lid member is fixed to the heat transfer member with a screw hole, a through hole, and a screw; and, at a position between the screw hole and the through hole, and the channel groove, a recess is provided on one or both of the one-side surface of the heat transfer member and the other-side surface of the lid member, and the sealing agent is applied on the side closer to the channel groove than the recess while no sealing agent is applied on the side closer to the screw hole than the recess.Type: GrantFiled: February 26, 2021Date of Patent: February 14, 2023Assignee: Mitsubishi Electric CorporationInventors: Ryota Ashikawa, Mitsunori Ishizaki, Tomoaki Murata, Takashi Hashiba, Yoshinobu Utsumi
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Patent number: 11552525Abstract: A rotating electrical machine such that a power supply unit can be efficiently cooled, with no increase in size in an axial direction of the rotating electrical machine, is provided. A rotating electrical machine main body and a power supply unit are integrally fixed, and a refrigerant passage is provided on the rotating electrical machine main body side of a metal frame configuring the power supply unit. The refrigerant passage and a control part that controls power supplied to the rotating electrical machine main body are disposed in the same plane in an axial direction of the rotating electrical machine main body, and the refrigerant passage is disposed farther to a radial direction outer side of the rotating electrical machine main body than the control part.Type: GrantFiled: June 9, 2020Date of Patent: January 10, 2023Assignee: Mitsubishi Electric CorporationInventors: Jun Tahara, Takashi Hashiba, Satoshi Mitsunaga, Hiroyuki Higashino, Mitsunori Ishizaki, Toshiaki Kashihara, Tadashi Murakami, Yoshinobu Utsumi
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Publication number: 20220077744Abstract: The rotary electric machine includes a motor unit, and an inverter unit having a power module, a field module, and a cooler. The cooler includes a heat transfer member having, on the one-side surface, a channel groove recessed toward the other side, a lid member, a sealing agent, and a coolant supply/discharge unit; and the lid member is fixed to the heat transfer member with a screw hole, a through hole, and a screw; and, at a position between the screw hole and the through hole, and the channel groove, a recess is provided on one or both of the one-side surface of the heat transfer member and the other-side surface of the lid member, and the sealing agent is applied on the side closer to the channel groove than the recess while no sealing agent is applied on the side closer to the screw hole than the recess.Type: ApplicationFiled: February 26, 2021Publication date: March 10, 2022Applicant: Mitsubishi Electric CorporationInventors: Ryota ASHIKAWA, Mitsunori ISHIZAKI, Tomoaki MURATA, Takashi HASHIBA, Yoshinobu UTSUMI
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Publication number: 20210384804Abstract: For the purpose of preventing damage to the frame when assembling the stator, improving the holding force for holding the stator, and making it possible to reduce the size of the rotating electrical machine body in the radial direction, the rotating electrical machine with integrated control device for vehicles integrates the rotating electrical machine main body and the control device arranged on the rear side of the rotating electrical machine main body and controlling the rotating electrical machine, the rotating electrical machine main body provides a first annular shape member located between the stator and the frame, a second annular shape member located between the and the first annular shape member, the stator is press-fitted into the frame via the first annular shape member and the second annular shape member.Type: ApplicationFiled: December 19, 2018Publication date: December 9, 2021Applicant: Mitsubishi Electric CorporationInventors: Mitsunori ISHIZAKI, Takayuki NAKAO, Takashi YAMAMOTO, Toshihiro MATSUNAGA
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Publication number: 20210226506Abstract: A rotating electrical machine such that a power supply unit can be efficiently cooled, with no increase in size in an axial direction of the rotating electrical machine, is provided. A rotating electrical machine main body and a power supply unit are integrally fixed, and a refrigerant passage is provided on the rotating electrical machine main body side of a metal frame configuring the power supply unit. The refrigerant passage and a control part that controls power supplied to the rotating electrical machine main body are disposed in the same plane in an axial direction of the rotating electrical machine main body, and the refrigerant passage is disposed farther to a radial direction outer side of the rotating electrical machine main body than the control part.Type: ApplicationFiled: June 9, 2020Publication date: July 22, 2021Applicant: Mitsubishi Electric CorporationInventors: Jun TAHARA, Takashi HASHIBA, Satoshi MITSUNAGA, Hiroyuki HIGASHINO, Mitsunori ISHIZAKI, Toshiaki KASHIHARA, Tadashi MURAKAMI, Yoshinobu UTSUMI
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Publication number: 20200287428Abstract: A control device-integrated rotary electric machine that has a light weight and a small radial-direction dimension. A cylindrical member is provided between a stator formed by stacking electromagnetic steel sheets and a frame retaining the stator, such that the cylindrical member is in a press-fitted state against the stator and the frame. The cylindrical member has a flange portion at one end thereof, and the flange portion is fixed by being held between the frame and a heat sink which is a member composing a control device.Type: ApplicationFiled: February 7, 2018Publication date: September 10, 2020Applicant: Mitsubishi Electric CorporationInventors: Mitsunori ISHIZAKI, Toshihiro MATSUNAGA, Takashi YAMAMOTO
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Patent number: 10170957Abstract: A controlling device integrated rotating electric machine including a rotating electric machine's main body having a rotor winding and a stator winding, a power converter circuit connected to the rotor winding and the stator winding and having a control board and a power module and a smoothing condenser, a heat sink having a container portion swelling out towards a front side and attached to a rear side of the rotating electric machine's main body, a case, containing the control board and the power module, formed of a power supply wiring and a grounding wiring connected to a battery placed outside, and fixed to a rear side of the heat sink, and a sealing resin body sealing the control board and the power module contained in the case, wherein the smoothing condenser is joined with the power supply wiring and the grounding wiring, and is contained in the container portion.Type: GrantFiled: April 19, 2016Date of Patent: January 1, 2019Assignee: Mitsubishi Electric CorporationInventors: Mitsunori Ishizaki, Tomoaki Shimano, Yosuke Uno, Tomohiro Kurita, Masahiko Fujita
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Publication number: 20170133903Abstract: A controlling device integrated rotating electric machine including a rotating electric machine's main body having a rotor winding and a stator winding, a power converter circuit connected to the rotor winding and the stator winding and having a control board and a power module and a smoothing condenser, a heat sink having a container portion swelling out towards a front side and attached to a rear side of the rotating electric machine's main body, a case, containing the control board and the power module, formed of a power supply wiring and a grounding wiring connected to a battery placed outside, and fixed to a rear side of the heat sink, and a sealing resin body sealing the control board and the power module contained in the case, wherein the smoothing condenser is joined with the power supply wiring and the grounding wiring, and is contained in the container portion.Type: ApplicationFiled: April 19, 2016Publication date: May 11, 2017Applicant: Mitsubishi Electric CorporationInventors: Mitsunori ISHIZAKI, Tomoaki SHIMANO, Yosuke UNO, Tomohiro KURITA, Masahiko FUJITA
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Patent number: 5821762Abstract: A high-speed, high-density, small-sized, low-cost semiconductor device wherein the feeder substrate 2 for supplying power to the semiconductor elements 3 as a bare chip has the containers 2a for containing the semiconductor elements 3, the semiconductor elements 3 are bonded to the wiring layer 1b of the signal transmission substrate 1 for transmitting signals to the semiconductor elements 3 and contained in the containers 2a, the containers 2a are covered with the signal transmission substrate 1, and the signal transmission substrate 1 is superposed upon and bonded to the feeder substrate 2.Type: GrantFiled: December 2, 1996Date of Patent: October 13, 1998Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Tsuneo Hamaguchi, Kenji Kagata, Goro Izuta, Mitsunori Ishizaki, Osamu Hayashi, Susumu Hoshinouchi