WO2022112808A1 - インバーター体型モータ - Google Patents
インバーター体型モータ Download PDFInfo
- Publication number
- WO2022112808A1 WO2022112808A1 PCT/IB2020/000933 IB2020000933W WO2022112808A1 WO 2022112808 A1 WO2022112808 A1 WO 2022112808A1 IB 2020000933 W IB2020000933 W IB 2020000933W WO 2022112808 A1 WO2022112808 A1 WO 2022112808A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- motor
- inverter
- power module
- integrated motor
- bus bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/27—Devices for sensing current, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/03—Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/09—Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
- H02K2211/03—Machines characterised by circuit boards, e.g. pcb
Definitions
- the present invention relates to an inverter integrated motor.
- JP2015-08929A discloses an inverter-integrated motor in which an inverter is provided in the vicinity of the motor and the motor case and the inverter case are arranged adjacent to each other in the axial direction.
- a motor coil wire that electrically connects the motor and the inverter is arranged on the outer peripheral side of the inverter, and the components of the inverter are arranged inside the bus bar. Due to such a configuration, the size of the components of the inverter is restricted. For example, if the inverter is increased in output and withstand voltage in order to increase the output of the motor, the components will become larger, but due to the presence of the bus bar, the components cannot be expanded in the radial direction and will be expanded in the rotation axis direction. Resulting in. Therefore, there is a problem that it is difficult to reduce the size in the direction of the rotation axis when the output of the motor is increased.
- the present invention has been made in view of such a problem, and an object of the present invention is to provide an inverter-integrated motor capable of miniaturization in the direction of the rotation axis even when the motor has a high output.
- One embodiment of the present invention is applied to an inverter-integrated motor provided with an inverter unit at the end of the motor in the direction of the rotation axis.
- the motor includes a conductive member that is electrically connected to the inverter unit.
- the inverter unit includes a control component connected to a conductive member to control the drive of the motor.
- the conductive member extends from the end of the motor along the rotation axis in a state adjacent to the rotation axis, and the control component is arranged radially outside the conduction member.
- the control component is expanded radially outward.
- the expansion in the radial direction can suppress the expansion in the rotation axis direction. This makes it possible to reduce the size in the direction of the rotation axis even when the output of the motor is increased.
- FIG. 1 is an explanatory diagram of an inverter-integrated motor according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along the line II-II of FIG.
- FIG. 3 is an explanatory diagram of an inverter-integrated motor of a modified example of the present embodiment.
- FIG. 4 is an explanatory diagram of an inverter-integrated motor of another modified example.
- FIG. 5 is an explanatory diagram of an inverter-integrated motor of yet another modification.
- FIG. 6 is a cross-sectional view of another modified example of the inverter-integrated motor.
- FIG. 1 and 2 are explanatory views of the inverter-integrated motor 1 according to the embodiment of the present invention.
- FIG. 1 is a cross-sectional view taken along the axis of rotation
- FIG. 2 is a cross-sectional view taken along the line II-II of FIG.
- the inverter-integrated motor 1 is composed of a motor 3 and an inverter unit 2 arranged at an axial end (coil end) of the motor 3.
- the inverter-integrated motor 1 is mounted on a vehicle, for example, and drives the vehicle by rotation of the motor 3.
- the motor 3 includes a rotating shaft 11 and a rotor and a stator (not shown).
- the motor 3 rotates the rotor by being supplied with electric power from the inverter unit 2, and drives the rotating shaft 11 to rotate.
- a bus bar 30 that electrically connects the inverter unit 2 and the motor 3 stands up and extends in the axial direction.
- the inverter unit 2 converts DC power supplied from a battery (not shown) into AC power and supplies it to the motor 3 to drive the motor 3. Further, when the vehicle is decelerated, the regenerative power of the motor 3 is charged to the battery.
- the inverter unit 2 includes a case 20 and control components (smoothing capacitor 21, power module 22, control board 23, current sensor 24, etc.) housed in the case 20.
- the outer circumference of the case 20 of the inverter unit 2 has a cylindrical shape along the outer circumference of the motor 3.
- the rotating shaft 11 of the motor 3 penetrates the inner peripheral side of the case 20. Therefore, the case 20 is formed in an annular shape (doughnut shape).
- the smoothing capacitor 21 smoothes the noise and ripple of the direct current supplied to the power module 22.
- the smoothing capacitor 21 is configured by accommodating a plurality of capacitor elements including, for example, a film capacitor.
- the power module 22 converts the DC power supplied from the battery into three-phase high-frequency power of U, V, and W, and supplies the DC power to the motor 3 via the bus bar 30.
- the power module 22 is configured to include a plurality of switching elements corresponding to each of the three phases.
- the power module 22 is provided with a cooler such as a heat radiation fin for cooling the switching element.
- the power module 22 is provided with a motor-side bus bar 221 and a capacitor-side bus bar 222.
- the motor-side bus bar 221 is coupled to the bus bar 30 of the motor 3 by bolting, welding, or the like, and outputs AC power to the bus bar 30.
- the capacitor-side bus bar 222 is coupled to the terminal of the smoothing capacitor 21 by bolting or welding.
- the capacitor-side bus bar 222 is also connected to a battery (not shown) to supply DC power.
- the control board 23 receives an instruction from a vehicle control unit (not shown), controls the operation of the power module 22, and adjusts the electric power supplied to the motor 3.
- the control board 23 is electrically connected to the power module 22 and the current sensor 24.
- the control board 23 acquires the current value in the bus bar 30 acquired by the current sensor 24, and outputs a control signal to the switching element of the power module 22.
- a microcomputer and various electric components are mounted on the control board 23.
- the current sensor 24 is provided in the bus bar 30, acquires a current value supplied to the motor 3, and outputs a signal corresponding to the acquired current value to the control board 23.
- the current sensor 24 is composed of, for example, a Hall element that detects a current, and the Hall element detects the current value flowing through the bus bar 30.
- a bus bar extends in the axial direction from the vicinity of the outer circumference of the end of the motor, and the bus bar is equipped with a current sensor.
- the control parts become large in order to increase the withstand voltage and the output of the inverter unit, but the control parts are controlled by the bus bar and the current sensor arranged on the outer peripheral side. The expansion of parts in the radial direction was restricted, and there was no choice but to expand in the direction of the axis of rotation.
- the motor 3 is configured to be miniaturized in the direction of the rotation axis even if the output is increased by the configuration as described below.
- the bus bar 30 is arranged upright at the end in the axial direction, that is, on the side where the inverter unit 2 is arranged.
- the bus bar 30 is composed of three bus bars 30 corresponding to the three phases of U, V, and W, arranged close to the rotation shaft 11 at equal intervals, and from the end of the motor 3. It extends axially along the rotating shaft 11.
- a current sensor 24 is provided in the vicinity of a portion of the bus bar 30 drawn from the motor 3.
- the current sensor 24 is arranged along the extending direction of the bus bar 30 so as to surround the bus bar 30, and detects the current value of the current flowing through the bus bar 30.
- the current sensor 24 is connected to the control board 23 by a harness or the like, and outputs a signal indicating a current value to the control board 23.
- a smoothing capacitor 21 is arranged on the outer peripheral side of the bus bar 30 and the current sensor 24. As shown in FIG. 2, the smoothing capacitor 21 is formed so that the cross section seen from the axial direction is substantially annular. Similarly, the power module 22 and the control board 23 are formed in an annular shape.
- the inverter unit 2 is arranged by stacking the smoothing capacitor 21, the power module 22, and the control board 23 in this order from the end of the motor 3.
- the bus bar 30 extending from the end of the motor 3 and the current sensor 24 arranged along the bus bar 30 are located in the hollow portion of the inner circumference of the smoothing capacitor 21, the power module 22, and the control board 23.
- the smoothing capacitor 21, the power module 22, and the control board 23, which are the control components of the inverter unit 2 are less restricted in size on the outer peripheral side thereof. That is, it can be expanded to a size (about the outer diameter of the motor 3) that can be accommodated in the case 20.
- the size of the control component in the radial direction By increasing the size of the control component in the radial direction in this way, the number and size of the capacitor elements housed in the smoothing capacitor 21 can be increased.
- the size of the switching element In the power module 22, the size of the switching element can be increased, and the wiring connected to the power element can be increased. Further, the size of the cooler that cools the switching element can be increased.
- the control board 23 the mounted elements and wiring can be increased.
- the embodiment of the present invention described above is applied to the inverter integrated motor 1 provided with the inverter unit 2 at the end of the motor 3 in the rotation shaft 11 direction.
- the motor 3 includes a bus bar 30 as a conductive member that is electrically connected to the inverter unit 2.
- the inverter unit 2 includes a control component connected to the bus bar 30 to control the drive of the motor 3, and the bus bar 30 extends around the rotary shaft 11 adjacent to the rotary shaft 11 along the rotary shaft 11.
- the control component is arranged radially outside the bus bar 30.
- the control component of the inverter unit 2 is increased in size by increasing the withstand voltage and output in order to increase the output of the motor 3, the control component can be expanded in the radial direction. Expansion in the direction can be suppressed. Therefore, even when the motor 3 has a high output, the inverter-integrated motor 1 can be miniaturized in the rotation axis direction.
- the current sensor 24 is arranged on the bus bar 30, and the control components are the power module 22 that supplies electric power to the motor 3, the smoothing capacitor 21 that smoothes the current of the power module 22, and the power module. It is composed of a control board 23 that controls the operation of the 22 and is arranged around the bus bar 30 and the current sensor 24.
- control components are arranged in the order of the smoothing capacitor 21, the power module 22, and the control board 23 from the end side of the motor 3.
- the current sensor 24 arranged in the bus bar 30 and the motor side bus bar 221 of the power module 22 can be arranged so as not to interfere with each other, so that these control components can be expanded in the radial side.
- FIG. 3 is an explanatory view of an inverter-integrated motor 1 of a modified example of the present invention, and is a cross-sectional view in the direction of the rotation axis.
- the stacking order of the control parts of the inverter unit 2 is different from that of the configuration described in FIG. Since the other configurations are the same as those in FIG. 1, the same reference numerals are given, and the description thereof will be omitted.
- the inverter unit 2 is arranged by stacking the control board 23, the power module 22, and the smoothing capacitor 21 in this order from the end of the motor 3.
- the bus bar 30 is arranged on the inner circumference of the inverter unit 2 to control the inverter unit 2 in order to increase the output of the motor 3, as in the configuration of FIG. 1 described above. Even when the size of the component is increased by increasing the withstand voltage and output, the control component can be expanded in the radial direction.
- FIG. 4 is an explanatory view of an inverter-integrated motor 1 according to another modification of the present invention, and is a cross-sectional view in the direction of the rotation axis.
- the stacking order of the control parts of the inverter unit 2 is different from that of the configuration described in FIG. Since the other configurations are the same as those in FIG. 1, the same reference numerals are given, and the description thereof will be omitted.
- the current sensor 24 is mounted on the control board 23. More specifically, the current sensor 24 is configured by incorporating a Hall element for detecting a current in a case.
- the terminal extending from the Hall element is fixed on the control board 23. That is, the control board 23 is arranged radially outside the Hall element that detects the current.
- FIG. 5 is an explanatory view of an inverter-integrated motor 1 according to still another modification of the present invention, and is a cross-sectional view in the direction of the rotation axis.
- the stacking order of the control parts of the inverter unit 2 is different from that of the configuration described in FIG. Since the other configurations are the same as those in FIG. 1, the same reference numerals are given, and the description thereof will be omitted.
- the inverter unit 2 is arranged by stacking the power module 22, the control board 23, and the smoothing capacitor 21 in this order from the end of the motor 3.
- control component of the inverter unit 2 when the control component of the inverter unit 2 is increased in size by increasing the withstand voltage and the output in order to increase the output of the motor 3.
- control component can be expanded in the radial direction.
- the cooling of the power module 22 can be shared with the cooling of the motor 3.
- the housing (or coil end) of the motor 3 is formed with a refrigerant flow path 3a through which a refrigerant flows. Therefore, by bringing the power module 22 close to the refrigerant flow path 3a existing on the end side of the motor 3, the switching element of the power module 22 can be cooled by the refrigerant in the refrigerant flow path 3a. ..
- the cooling efficiency of the power module 22 can be increased, so that the withstand voltage of the power module 22 can be further increased.
- FIG. 6 is an explanatory diagram of the inverter-integrated motor 1 of still another modification of the present invention, and is a diagram corresponding to the cross-sectional view taken along the line II-II of FIG.
- the modified example shown in FIG. 6 is a modified example of the configuration described with reference to FIGS. 1 to 5, and the configuration of the bus bar 30 protruding from the motor 3 is different. Since the other configurations are the same as those in FIG. 2, the same reference numerals are given, and the description thereof will be omitted.
- the motor 3 includes six bus bars 30. These bus bars 30 are composed of two bus bars 30 for each of the U, V, and W phases. Each bus bar 30 is provided with a current sensor 24. In this way, the bus bar 30 can be arbitrarily configured according to the configuration of the motor 3.
- the bus bar 30 is arranged on the inner circumference of the inverter unit 2 to control the inverter unit 2 in order to increase the output of the motor 3, as in the configuration of FIG. 2 described above. Even when the size of the component is increased by increasing the withstand voltage and output, the control component can be expanded in the radial direction.
- the current sensor 24 is arranged on the bus bar 30 near the end of the motor 3, but the configuration is not limited to this.
- the current sensor 24 is arranged on the bus bar 30 at a position separated from the motor 3, and the inner peripheral side of the smoothing capacitor 21 (or other control component) is on the bus bar 30 on the end side of the motor 3 with respect to the current sensor 24. It may be configured in close proximity.
- the inverter-integrated motor 1 of the present embodiment may be mounted on an electric vehicle that drives and travels by driving the inverter-integrated motor 1 by the power of a battery mounted on a vehicle, or includes an engine and an engine. It may be mounted on a series hybrid type automobile that drives the inverter-integrated motor 1 by the electric power generated by the engine. Alternatively, it may be used as another driving force source.
- the smoothing capacitor 21, the power module 22, and the control board 23, which are the control components of the inverter unit 2 are configured to have an annular shape, but the present invention is not limited to this.
- the bus bar 30 and the current sensor 24 can be arranged inside in the radial direction, they may have any shape, may be polygonal, or may be a combination of a curved surface and a polygon. Any shape may be appropriate according to the shapes of the elements and wirings that compose each.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inverter Devices (AREA)
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Abstract
Description
Claims (6)
- モータの回転軸方向の端部にインバータユニットを備えるインバータ一体型モータであって、
前記モータは、前記インバータユニットに電気的に接続する導電部材を備え、
前記インバータユニットは、前記導電部材に接続されて前記モータの駆動を制御する制御部品を備え、
前記導電部材は、前記モータの端部から、前記モータの回転軸に隣接した状態で前記回転軸に沿って延設され、
前記制御部品は、前記導電部材よりも径方向外側に配置される、
インバータ一体型モータ。 - 請求項1に記載のインバータ一体型モータであって、
前記導電部材には電流センサが配置され、
前記制御部品は、前記モータに電力を供給するパワーモジュールと、前記パワーモジュールの電流を平滑化する平滑コンデンサと、前記パワーモジュールの動作を制御する制御基板と、からなり、前記導電部材及び前記電流センサの周囲に配置される、
インバータ一体型モータ。 - 請求項2に記載のインバータ一体型モータであって、
前記制御部品は、前記モータの前記端部側から、前記平滑コンデンサ、前記パワーモジュール及び前記制御基板の順に積層して配置される、
インバータ一体型モータ。 - 請求項2に記載のインバータ一体型モータであって、
前記制御部品は、前記モータの前記端部側から、前記制御基板、前記パワーモジュール及び前記平滑コンデンサの順に積層して配置される、
インバータ一体型モータ。 - 請求項4に記載のインバータ一体型モータであって、
前記電流センサは、前記制御基板上に実装される、
インバータ一体型モータ。 - 請求項2に記載のインバータ一体型モータであって、
前記制御部品は、前記モータの前記端部側から、前記パワーモジュール、前記平滑コンデンサ及び前記制御基板の順に積層して配置され、
前記モータには、冷媒が流通する冷媒流路が前記パワーモジュールに隣接する位置に備えられる、
インバータ一体型モータ。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022564698A JP7466000B2 (ja) | 2020-11-25 | 2020-11-25 | インバータ一体型モータ |
| PCT/IB2020/000933 WO2022112808A1 (ja) | 2020-11-25 | 2020-11-25 | インバーター体型モータ |
| EP20963399.9A EP4254740A4 (en) | 2020-11-25 | 2020-11-25 | MOTOR WITH INTEGRATED INVERTER |
| MX2023006035A MX2023006035A (es) | 2020-11-25 | 2020-11-25 | Motor con inversor integrado. |
| US18/254,276 US12537424B2 (en) | 2020-11-25 | Inverter-integrated motor | |
| CN202080107437.9A CN116529993A (zh) | 2020-11-25 | 2020-11-25 | 逆变器一体型电机 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2020/000933 WO2022112808A1 (ja) | 2020-11-25 | 2020-11-25 | インバーター体型モータ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022112808A1 true WO2022112808A1 (ja) | 2022-06-02 |
Family
ID=81754125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2020/000933 Ceased WO2022112808A1 (ja) | 2020-11-25 | 2020-11-25 | インバーター体型モータ |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4254740A4 (ja) |
| JP (1) | JP7466000B2 (ja) |
| CN (1) | CN116529993A (ja) |
| MX (1) | MX2023006035A (ja) |
| WO (1) | WO2022112808A1 (ja) |
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| JP2015089298A (ja) | 2013-11-01 | 2015-05-07 | 日産自動車株式会社 | インバータ一体型モータ |
| WO2016166796A1 (ja) * | 2015-04-13 | 2016-10-20 | 三菱電機株式会社 | 電動駆動装置 |
| WO2018083754A1 (ja) * | 2016-11-02 | 2018-05-11 | 三菱電機株式会社 | 回転電機およびその製造方法 |
| JP2018078718A (ja) * | 2016-11-09 | 2018-05-17 | 株式会社デンソー | 制御装置一体型回転電機 |
| JP2019022248A (ja) * | 2017-07-11 | 2019-02-07 | 株式会社デンソー | 回転電機 |
| JP2019195244A (ja) * | 2018-05-02 | 2019-11-07 | 株式会社デンソー | 制御装置一体型回転電機 |
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| JP4708951B2 (ja) * | 2005-10-21 | 2011-06-22 | ニチコン株式会社 | インバータモジュールおよびそれを用いたインバータ一体型交流モータ |
| WO2014045700A1 (ja) * | 2012-09-19 | 2014-03-27 | 日産自動車株式会社 | 電動車両に搭載する電力変換装置 |
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| JP6409968B2 (ja) * | 2015-05-26 | 2018-10-24 | 日産自動車株式会社 | 機電一体型の回転電機装置 |
| JP6038230B1 (ja) * | 2015-05-28 | 2016-12-07 | 三菱電機株式会社 | インバータ一体型回転電機 |
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| JP2018078784A (ja) | 2016-11-02 | 2018-05-17 | 株式会社デンソー | 回転電機及びその製造方法 |
| KR102614123B1 (ko) * | 2016-11-24 | 2023-12-13 | 현대자동차주식회사 | 차량의 인버터 구조 |
| JP2019068520A (ja) | 2017-09-28 | 2019-04-25 | 日本電産トーソク株式会社 | モータおよび電動アクチュエータ |
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-
2020
- 2020-11-25 WO PCT/IB2020/000933 patent/WO2022112808A1/ja not_active Ceased
- 2020-11-25 EP EP20963399.9A patent/EP4254740A4/en active Pending
- 2020-11-25 CN CN202080107437.9A patent/CN116529993A/zh active Pending
- 2020-11-25 JP JP2022564698A patent/JP7466000B2/ja active Active
- 2020-11-25 MX MX2023006035A patent/MX2023006035A/es unknown
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| JP2015089298A (ja) | 2013-11-01 | 2015-05-07 | 日産自動車株式会社 | インバータ一体型モータ |
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| JP2018078718A (ja) * | 2016-11-09 | 2018-05-17 | 株式会社デンソー | 制御装置一体型回転電機 |
| JP2019022248A (ja) * | 2017-07-11 | 2019-02-07 | 株式会社デンソー | 回転電機 |
| JP2019195244A (ja) * | 2018-05-02 | 2019-11-07 | 株式会社デンソー | 制御装置一体型回転電機 |
Non-Patent Citations (1)
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Also Published As
| Publication number | Publication date |
|---|---|
| US20240014715A1 (en) | 2024-01-11 |
| JPWO2022112808A1 (ja) | 2022-06-02 |
| MX2023006035A (es) | 2023-06-02 |
| EP4254740A1 (en) | 2023-10-04 |
| EP4254740A4 (en) | 2024-01-10 |
| CN116529993A (zh) | 2023-08-01 |
| JP7466000B2 (ja) | 2024-04-11 |
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