WO2024176393A1 - モータ装置 - Google Patents

モータ装置 Download PDF

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Publication number
WO2024176393A1
WO2024176393A1 PCT/JP2023/006487 JP2023006487W WO2024176393A1 WO 2024176393 A1 WO2024176393 A1 WO 2024176393A1 JP 2023006487 W JP2023006487 W JP 2023006487W WO 2024176393 A1 WO2024176393 A1 WO 2024176393A1
Authority
WO
WIPO (PCT)
Prior art keywords
board
motor
power
connector
substrate
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
Application number
PCT/JP2023/006487
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
裕人 佐藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JTEKT Corp
Original Assignee
JTEKT Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JTEKT Corp filed Critical JTEKT Corp
Priority to PCT/JP2023/006487 priority Critical patent/WO2024176393A1/ja
Priority to EP23923214.3A priority patent/EP4672572A4/en
Priority to JP2025502016A priority patent/JPWO2024176393A1/ja
Priority to CN202380094156.8A priority patent/CN120693776A/zh
Publication of WO2024176393A1 publication Critical patent/WO2024176393A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
    • 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
    • H02K11/40—Structural association with grounding devices
    • 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
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0403—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by constructional features, e.g. common housing for motor and gear box
    • B62D5/0406—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by constructional features, e.g. common housing for motor and gear box including housing for electronic control unit
    • 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

  • This disclosure relates to a motor device.
  • the control device of the motor device in Patent Document 1 is provided at the end of the motor.
  • the control device has a power board and a control board.
  • the power board has an inverter circuit that supplies power to the motor coil.
  • the control board has a control circuit that controls the operation of the inverter circuit.
  • the power board and control board are arranged with a gap in between in the axial direction of the motor.
  • the power board and the control board each have a power supply terminal and a ground terminal.
  • a power supply voltage is supplied to the power board and the control board via the power supply terminal and the ground terminal, respectively.
  • the motor device of Patent Document 1 requires a process of connecting the power supply terminal and ground terminal to both the power board and the control board by soldering.
  • a motor device includes a motor, a first board provided at an axial end of the motor, a second board disposed in a position farther from the motor than the first board in the axial direction of the motor and facing the first board, an inter-board connector connecting the first board and the second board, and a plurality of terminals configured to supply power or signals to the first board and the second board.
  • the plurality of terminals are connected only to the second board.
  • FIG. 1 is a configuration diagram of a steering mechanism according to an embodiment of a motor device;
  • FIG. 2 is an exploded perspective view of the motor device of FIG. 1 .
  • 3 is a top view showing a first surface of the control board of FIG. 2.
  • 3 is a bottom view showing a second surface of the control board of FIG. 2.
  • FIG. 3 is a top view showing a first surface of the power board of FIG. 2 .
  • FIG. 3 is a bottom view showing a second surface of the power board of FIG. 2 .
  • FIG. 2 is a cross-sectional view showing a main part of the motor device of FIG. 1 .
  • the motor device is mounted on, for example, a steering device of a vehicle.
  • the steering device of a vehicle has a steering mechanism 11.
  • the steering mechanism 11 is a mechanical part that steers steered wheels 12 of the vehicle in response to the steering of a steering wheel.
  • the steering mechanism 11 has a pinion shaft 21, a steered shaft 22, and a housing 23.
  • the housing 23 rotatably supports the pinion shaft 21.
  • the housing 23 also accommodates the steered shaft 22 so that it can reciprocate in the axial direction.
  • the pinion shaft 21 is arranged to intersect with the steered shaft 22.
  • the pinion teeth 21a of the pinion shaft 21 mesh with the rack teeth 22a of the steered shaft 22. Both ends of the steered shaft 22 are connected to the steered wheels 12 via rack ends 24 and tie rods 25.
  • the steering device is a steer-by-wire type steering device or an electric power steering device. If the steering device is a steer-by-wire type steering device, the pinion shaft 21 is not mechanically connected to the steering wheel. If the steering device is an electric power steering device, the pinion shaft 21 is mechanically connected to the steering wheel via a steering shaft.
  • the steering mechanism 11 includes a motor device 31, a transmission mechanism 32, and a conversion mechanism 33.
  • the motor device 31 is a generating source of a steering force applied to the steered shaft 22.
  • the steering force is a force for steering the steered wheels 12.
  • the transmission mechanism 32 is, for example, a belt transmission mechanism.
  • the transmission mechanism 32 transmits the rotation of the motor 31 to the conversion mechanism 33.
  • the conversion mechanism 33 is, for example, a ball screw mechanism.
  • the conversion mechanism 33 converts the rotation transmitted via the transmission mechanism 32 into axial motion of the steered shaft 22.
  • the steered angle ⁇ w of the steered wheels 12 is changed by the axial movement of the steered shaft 22.
  • the steered shaft 22 is a drive target of the motor device 31.
  • the motor device 31 functions as a steering motor.
  • the steering motor generates a steering force for steering the steered wheels 12.
  • the motor device 31 functions as an assist motor.
  • the assist motor generates an assist force for assisting the operation of the steering wheel.
  • the motor device 31 has a motor 40 and a control device 50.
  • the motor 40 is, for example, a three-phase brushless motor.
  • the motor 40 has, for example, two winding groups.
  • the control device 50 is attached to an axial end of the motor 40. The control device 50 independently controls the power supply to the two winding groups.
  • the control device 50 has a control board 51, a power board 52, a connector assembly 53, and a cover 53.
  • the control board 51 has electronic components for controlling the power supply to the motor 40.
  • the power board 52 has electronic components for supplying power to the motor 40 through the control of the control board 51.
  • An axial end of the motor 40 has a board housing portion 40A.
  • the control board 51 is housed inside the board housing portion 40A.
  • the power board 52 is attached to an axial end of the motor 40 so as to cover the control board 51.
  • the power board 52 is disposed at a position farther from the motor 40 than the control board 51 in the axial direction of the motor 40.
  • the connector assembly 53 is made of synthetic resin.
  • the connector assembly 53 has a first power connector 53A and a second power connector 53B.
  • the first power connector 53A extends in the opposite direction to the motor 40 and opens in the opposite direction to the motor 40.
  • the first power connector 53A has a power terminal and a ground terminal.
  • a mating power plug is fitted into the first power connector 53A.
  • the power plug is provided at a first end of a power line.
  • the second end of the power line is connected to a DC power source such as an on-board battery. Power from the DC power source is supplied to the control board 51 and the power board 52 via the power terminal and the ground terminal.
  • the second power connector 53B has a configuration similar to that of the first power connector 53A.
  • the connector assembly 53 has a first signal connector 53C and a second signal connector 53D.
  • the first signal connector 53C extends in the opposite direction to the motor 40.
  • the first signal connector 53C has a signal terminal.
  • a mating signal plug is fitted into the first signal connector 53C.
  • the signal plug is provided at a first end of a signal line.
  • the second end of the signal line is connected to a vehicle control device.
  • the control board 51 and the vehicle control device exchange signals via the signal terminal.
  • the second signal connector 53D has a configuration similar to that of the first signal connector 53C.
  • the cover 54 is made of synthetic resin.
  • the cover 54 is a box-shaped body that opens toward the motor 40.
  • An end wall of the cover 54 has a fitting hole 54A.
  • the outer periphery of the connector assembly 53 fits into the fitting hole 54A.
  • Each connector (53A, 53B, 53C, 54C) of the connector assembly 53 passes through the fitting hole 54A and protrudes from the end wall of the cover 54 to the outside of the cover 53.
  • the cover 54 is attached to the axial end of the motor 40.
  • the cover 54 covers the end of the motor 40 together with the connector assembly 53.
  • control board 51 is, for example, in the shape of a rectangular flat plate.
  • the control board 51 has a first surface and a second surface located opposite to each other.
  • the first surface is the surface of the control board 51 located opposite to the power board 52 when the motor device 31 is assembled.
  • the second surface is the surface of the control board 51 facing the power board 52 when the motor device 31 is assembled.
  • the first surface of the control board 51 has a first microcomputer 61A and a second microcomputer 61B.
  • the first microcomputer 61A and the second microcomputer 61B are arranged so as to be linearly symmetrical with respect to a first center line O1.
  • the first center line O1 is, for example, a straight line passing through the center of the control board 51 when viewed from a direction perpendicular to the control board 51.
  • the first surface has a first board-to-board connector 62A and a second board-to-board connector 62B.
  • the first board-to-board connector 62A and the second board-to-board connector 62B are arranged so as to be linearly symmetrical with respect to the first center line O1.
  • the second surface of the control board 51 has a first ground connection member 63A and a second ground connection member 63B.
  • the first ground connection member 63A and the second ground connection member 63B are arranged so as to be symmetrical with respect to the first center line O1.
  • the first ground connection member 63A is arranged, for example, at a position corresponding to the first board-to-board connector 62A or in its vicinity.
  • the second ground connection member 63B is arranged, for example, at a position corresponding to the second board-to-board connector 62B or in its vicinity.
  • the first ground connection member 63A and the second ground connection member 63B are each an elastic member made of metal and have elasticity in a direction perpendicular to the control board 51.
  • the metal is, for example, copper, and is conductive.
  • the power board 52 is, for example, flat.
  • the power board 52 has a first surface and a second surface that are located opposite each other.
  • the first surface is the surface of the power board 52 that is located opposite the control board 51 when the motor device 31 is assembled.
  • the second surface is the surface of the power board 52 that faces the control board 51 when the motor device 31 is assembled.
  • the first surface of the power board 52 has a first ripple capacitor 71A and a second ripple capacitor 71B.
  • the first ripple capacitor 71A and the second ripple capacitor 71B are arranged so as to be symmetrical with respect to the second center line O2.
  • the second center line O2 is, for example, a straight line passing through the center of the power board 52.
  • the second center line O2 coincides with the first center line O1 of the control board 51.
  • the first surface of the power board 52 has a first power supply filter 72A and a second power supply filter 72B.
  • the first power supply filter 72A and the second power supply filter 72B are arranged so as to be symmetrical with respect to the second center line O2.
  • the first power supply filter 72A and the second power supply filter 72B each have a capacitor and a coil.
  • the first surface of the power board 52 has a first power terminal connection portion 73A and a second power terminal connection portion 73B.
  • the first power terminal connection portion 73A and the second power terminal connection portion 73B are arranged so as to be linearly symmetrical with respect to the second center line O2.
  • the first power terminal connection portion 73A is a portion of the power board 52 to which the power terminal and ground terminal of the first power connector 53A are connected.
  • the second power terminal connection portion 73B is a portion of the power board 52 to which the power terminal and ground terminal of the second power connector 53B are connected.
  • the first surface of the power board 52 has a first signal terminal connection portion 74A and a second signal terminal connection portion 74B.
  • the first signal terminal connection portion 74A and the second signal terminal connection portion 74B are arranged so as to be symmetrical with respect to the second center line O2.
  • the first signal terminal connection portion 74A is the portion of the power board 52 to which the signal terminal of the first signal connector 53C is connected.
  • the second power supply signal connection portion 74B is the portion of the power board 52 to which the signal terminal of the second signal connector 53D is connected.
  • the first surface of the power board 52 has a first power supply circuit 75A and a second power supply circuit 75B.
  • the first power supply circuit 75A and the second power supply circuit 75B are arranged so as to be linearly symmetrical with respect to the second center line O2.
  • the first power supply circuit 75A and the second power supply circuit 75B are each chip-type integrated circuits.
  • the first power supply circuit 75A converts the voltage of the on-board DC power supply to a voltage suitable for the operation of the first system of electrical circuits including the first microcomputer 61A.
  • the second power supply circuit 75B converts the voltage of the on-board DC power supply to a voltage suitable for the operation of the second system of electrical circuits including, for example, the second microcomputer 61B.
  • the second surface of the power board 52 has a first inverter circuit 81A and a second inverter circuit 81B.
  • the first inverter circuit 81A and the second inverter circuit 81B are arranged so as to be linearly symmetrical with respect to the second center line O2.
  • the first inverter circuit 81A and the second inverter circuit 81B each have a plurality of switching elements.
  • the switching elements are, for example, FETs (Field Effect Transistors).
  • the switching elements of the first inverter circuit 81A perform a switching operation, thereby converting the DC power supplied from the DC power supply into three-phase AC power.
  • the AC power generated by the first inverter circuit 81A is supplied to the first winding group of the motor 40 via a power supply path such as a bus bar.
  • the switching elements of the second inverter circuit 81B perform a switching operation, thereby converting the DC power supplied from the DC power supply into three-phase AC power.
  • the AC power generated by the second inverter circuit 81B is supplied to the second winding group of the motor 40 via a power supply path such as a bus bar.
  • the second surface of the power board 52 has a first phase opening relay group 82A and a second phase opening relay group 82B.
  • the first phase opening relay group 82A and the second phase opening relay group 82B are arranged so as to be linearly symmetrical with respect to the second center line O2.
  • the first phase opening relay group 82A opens and closes the power supply paths for each of the three phases between the first inverter circuit 81A and the first winding group of the motor 40.
  • the second phase opening relay group 82b opens and closes the power supply paths for each of the three phases between the second inverter circuit 81B and the second winding group of the motor 40.
  • the phase opening relays may be, for example, FETs.
  • the second surface of the power board 52 has a first power supply relay 83A and a second power supply relay 83B.
  • the first power supply relay 83A and the second power supply relay 83B are arranged so as to be linearly symmetrical with respect to the second center line O2.
  • the first power supply relay 83A opens and closes the power supply path between the on-board DC power supply and the first inverter circuit 81A.
  • the second power supply relay 83B opens and closes the power supply path between the on-board DC power supply and the second inverter circuit 81B.
  • the DC power supply is, for example, a battery.
  • the power supply relay may be, for example, a FET.
  • the second surface of the power board 52 has a first pre-driver 84A and a second pre-driver 84B.
  • the first pre-driver 84A and the second pre-driver 84B are arranged so as to be linearly symmetrical with respect to the second center line O2.
  • the first pre-driver 84A generates a drive signal for the first inverter circuit 81A based on a command from the first microcomputer 61A.
  • the second pre-driver 84B generates a drive signal for the second inverter circuit 81B based on a command from the second microcomputer 61B.
  • the second surface of the power board 52 has a third inter-board connector 85A and a fourth inter-board connector 85B.
  • the third inter-board connector 85A and the fourth inter-board connector 85B are arranged so as to be linearly symmetrical with respect to the second center line O2.
  • the third inter-board connector 85A is arranged at a position corresponding to the first inter-board connector 62A when the motor device 31 is assembled.
  • the fourth inter-board connector 85B is arranged at a position corresponding to the second inter-board connector 62B when the motor device 31 is assembled.
  • the second surface of the power board 52 has a rotation angle sensor 86.
  • the rotation angle sensor 86 is disposed near the center of the second surface.
  • the rotation angle sensor 86 is located on the second center line O2.
  • the rotation angle sensor 86 is a magnetic sensor.
  • the magnetic sensor is, for example, an MR sensor (Magneto Resistive Sensor).
  • the rotation angle sensor 86 detects the rotation angle of the motor 40.
  • the first microcomputer 61A generates a command for the first pre-driver 84A based on the rotation angle of the motor 40 detected through the rotation angle sensor 86.
  • the second microcomputer 61B generates a command for the second pre-driver 84B based on the rotation angle of the motor 40 detected through the rotation angle sensor 86.
  • the motor 40 has a motor case 41 and a lid 42.
  • An end of the motor case 41 is open in the axial direction.
  • the end is the end of the motor case 41 on which the control device 50 is mounted.
  • the lid 42 is fitted into the opening of the motor case 41 to close the opening.
  • the lid 42 functions as an end wall of the motor case 41 in the axial direction.
  • the motor case 41 and the lid 42 are each made of metal.
  • the metal is, for example, iron or an aluminum alloy.
  • the motor 40 has an output shaft 43.
  • the output shaft 43 is rotatably supported on the inner circumferential surface of the motor case 41.
  • An end of the output shaft 43 passes through the lid 42 in the axial direction without contact.
  • the end is the end of the output shaft 43 that is closer to the control device 50.
  • a magnet 43B is fixed to the end of the output shaft 43 by a holder 43A.
  • a spacer 43C is interposed between the end of the output shaft 43 and the magnet 43B.
  • the holder 43A and the spacer 43C are each made of a non-magnetic material such as synthetic resin.
  • the control board 51 is accommodated inside the board accommodating section 40A.
  • the end of the second ground connection member 63B opposite the control board 51 is in contact with the inner end wall of the board accommodating section 40A.
  • the second ground connection member 63B is maintained in a slightly compressed state in a direction perpendicular to the control board 51.
  • the end of the first ground connection member 63A opposite the control board 51 is also maintained in contact with the inner end wall of the board accommodating section 40A.
  • the first ground connection member 63A is maintained in a slightly compressed state in a direction perpendicular to the control board 51.
  • the power board 52 is supported by the lid 42 so as to cover the control board 51.
  • the rotation angle sensor 86 faces the magnet 43B in the axial direction via the holder 43A.
  • the fourth board-to-board connector 85B is connected to the second board-to-board connector 62B.
  • the third board-to-board connector 85A is maintained in a state connected to the first board-to-board connector 62A.
  • the second power connector 53B has a power terminal 53E and a ground terminal 53F.
  • the power terminal 53E and the ground terminal 53F each have a first end and a second end.
  • the first end is located inside the peripheral wall of the second power connector 53B.
  • the second end penetrates the power board 52 in a direction perpendicular to the power board 52.
  • the second end is connected to the power board 52 by soldering.
  • the first power connector 53A also has a power terminal 53E and a ground terminal 53F.
  • the second signal connector 53D has a plurality of signal terminals 53G.
  • the signal terminals 53G have a first end and a second end. The first end is located inside the peripheral wall of the second signal connector 53D. The second end penetrates the power board 52 in a direction perpendicular to the power board 52. The second end is connected to the power board 52 by soldering.
  • the first signal connector 53C also has a plurality of signal terminals 53G.
  • the power board 52 is connected to the positive terminal of the DC power supply via the power supply terminal 53E.
  • the power board 52 is connected to the negative terminal of the DC power supply via the ground terminal 53F.
  • DC power from the DC power supply is supplied to the power board 52 via the power supply terminal 53E and the ground terminal 53F.
  • DC power is supplied to the control board 51 via the first board-to-board connector 62A and the third board-to-board connector 85A, and the second board-to-board connector 62B and the fourth board-to-board connector 85B.
  • the power board 52 is connected to the vehicle control device via signal terminal 53G.
  • the power board 52 is capable of sending and receiving signals to and from the vehicle control device via signal terminal 53G.
  • the control board 52 is capable of sending and receiving signals to and from the vehicle control device via the first inter-board connector 62A and the third inter-board connector 85A, as well as the second inter-board connector 62B and the fourth inter-board connector 85B.
  • This embodiment provides the following advantages. (1) The power supply terminal 53E and the ground terminal 53F are connected only to the power board 52. Therefore, the process of connecting the power supply terminal 53E and the ground terminal 53F to the control board 51 by soldering is not required. Therefore, the manufacturing cost of the motor device 31 can be reduced compared to the case where the power supply terminal 53E and the ground terminal 53F are connected to both the power board 52 and the control board 51 by soldering.
  • the control board 51 can obtain a ground via the first board-to-board connector 62A and the second board-to-board connector 62B. Furthermore, the control board 51 is in contact with the lid 42 of the motor 40 via the first ground connection member 63A and the second ground connection member 63B. In other words, the control board 51 can obtain a so-called frame ground. This makes it possible to reduce the level of noise generated in the control board 51.
  • the first inter-board connector 62A and the second inter-board connector 62B can be the entrance of noise transmitted from the power board 52 to the control board 51.
  • the first ground connection member 63A is disposed on the second surface of the control board 51 at a position corresponding to the first inter-board connector 62A or in its vicinity.
  • the second ground connection member 63B is disposed on the second surface of the control board 51 at a position corresponding to the second inter-board connector 62B or in its vicinity. This makes it possible to remove noise transmitted from the power board 52 to the control board 51 at the noise entrance of the control board 51.
  • the position corresponding to the first board-to-board connector 62A or its vicinity is a portion of the control board 51 that vibrates less when the third board-to-board connector 85A is connected to the first board-to-board connector 62A.
  • the position corresponding to the second board-to-board connector 62A or its vicinity is a portion of the control board 51 that vibrates less when the fourth board-to-board connector 85B is connected to the second board-to-board connector 62B. For this reason, the first ground connection member 63A and the second ground connection member 63B are maintained in appropriate contact with the inner end wall of the board accommodating section 40A.
  • the motor 40 may have one system of windings.
  • the motor 40 may have one control system and one power supply system.
  • the connector assembly 53 may be configured such that the first power connector 53A and the first signal connector 53C, or the second power connector 53B and the second signal connector 53D are omitted.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Motor Or Generator Frames (AREA)
PCT/JP2023/006487 2023-02-22 2023-02-22 モータ装置 Ceased WO2024176393A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2023/006487 WO2024176393A1 (ja) 2023-02-22 2023-02-22 モータ装置
EP23923214.3A EP4672572A4 (en) 2023-02-22 2023-02-22 MOTOR DEVICE
JP2025502016A JPWO2024176393A1 (https=) 2023-02-22 2023-02-22
CN202380094156.8A CN120693776A (zh) 2023-02-22 2023-02-22 马达装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/006487 WO2024176393A1 (ja) 2023-02-22 2023-02-22 モータ装置

Publications (1)

Publication Number Publication Date
WO2024176393A1 true WO2024176393A1 (ja) 2024-08-29

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Family Applications (1)

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PCT/JP2023/006487 Ceased WO2024176393A1 (ja) 2023-02-22 2023-02-22 モータ装置

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EP (1) EP4672572A4 (https=)
JP (1) JPWO2024176393A1 (https=)
CN (1) CN120693776A (https=)
WO (1) WO2024176393A1 (https=)

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JP2017103922A (ja) * 2015-12-02 2017-06-08 三菱電機株式会社 電力供給ユニット一体型回転電機
JP2019068542A (ja) 2017-09-29 2019-04-25 日本電産エレシス株式会社 回路基板、モータ駆動装置および電動パワーステアリング装置
WO2022254502A1 (ja) * 2021-05-31 2022-12-08 三菱電機株式会社 電動機制御装置

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DE102018100242A1 (de) * 2018-01-08 2019-07-11 Pierburg Pump Technology Gmbh KFZ-Nebenaggregat-Elektromotor
DE102018204297A1 (de) * 2018-03-21 2019-09-26 Robert Bosch Gmbh Elektrische Antriebseinheit mit mindestens zwei Leiterplatinen
JP7359022B2 (ja) * 2020-02-14 2023-10-11 株式会社デンソー 駆動装置

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