WO2020039608A1 - アウターロータ型モータ、および、電気自動車 - Google Patents

アウターロータ型モータ、および、電気自動車 Download PDF

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Publication number
WO2020039608A1
WO2020039608A1 PCT/JP2019/000526 JP2019000526W WO2020039608A1 WO 2020039608 A1 WO2020039608 A1 WO 2020039608A1 JP 2019000526 W JP2019000526 W JP 2019000526W WO 2020039608 A1 WO2020039608 A1 WO 2020039608A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
bobbin
stator core
outer rotor
type motor
Prior art date
Application number
PCT/JP2019/000526
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
清水　浩
正樹 川口
隆昌 加藤
Original Assignee
株式会社ｅ－Ｇｌｅ
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 株式会社ｅ－Ｇｌｅ filed Critical 株式会社ｅ－Ｇｌｅ
Publication of WO2020039608A1 publication Critical patent/WO2020039608A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present invention relates to an outer rotor type motor and an electric vehicle.
  • This application claims the priority based on Japanese Patent Application No. 2018-157654 filed on Aug. 24, 2018, and incorporates all the contents described in the Japanese application.
  • an in-wheel motor that mounts a drive motor of an electric vehicle in a wheel has been proposed.
  • This in-wheel motor has no energy loss due to the conventional gears, drive shafts, and the like, so that improvement in drive efficiency and cruising distance can be expected.
  • a stator in an outer rotor type (eversion type) motor in which a permanent magnet rotates, a stator (stator) is constituted by a ring-shaped yoke portion and an iron core having a plurality of teeth on an outer diameter side thereof.
  • the stator coil wound around the tooth may be wound directly on the tooth or may be wound once on a bobbin and inserted into the tooth.
  • the bobbin has an engagement portion on the inner diameter side of the stator, and the engagement portion of the bobbin is also provided in a state where the stator is sandwiched from both sides by the motor base and the motor support.
  • the bobbin is fixed to the stator while being sandwiched from both sides by the engagement portions of the motor base and the motor support. Therefore, by assembling the motor base and the motor support, the bobbin can be fixed at the same time, and the bobbin can be prevented from moving in the radial direction.
  • the present invention has been made in view of these circumstances, and the bobbin can be easily attached to the stator core, and even if the stator core is firmly held, there is no possibility that the engagement portion of the bobbin will be damaged during use. It is an object of the present invention to provide an outer rotor type motor having a bobbin mounting structure and having an excellent heat radiation effect, and to provide an electric vehicle equipped with the outer rotor type motor.
  • a first technical means of the present invention is a stator core having a plurality of teeth radially on an outer diameter side of an annular base, a stator center and a stator guide for positioning the stator core from both axial sides.
  • An outer rotor type motor having a bobbin on which a coil is wound and mounted on the teeth of the plurality of stator cores, and penetrates in the axial direction on both sides in the axial direction on the inner diameter side of the bobbin.
  • An engaging portion that has an engaging hole and protrudes is provided, and a plurality of engaging pieces that protrude in the axial direction are provided on outer peripheral portions of the stator center and the stator guide, respectively, and the bobbin is mounted on the stator core.
  • the tips of the engagement pieces of the stator center and the stator guide are inserted into the engagement holes of the bobbin, and the engagement pieces are It is characterized in that the axial end faces of the serial stator core are positioned in contact with the stator core in the axial direction.
  • a second technical means is the first technical means, wherein the bobbin has two flange portions which are separated in a radial direction in a state where the bobbin is mounted on the stator core, and the bobbin has a flange portion on an inner diameter side.
  • a notch is provided at a location on the axial direction, into which the winding end of the coil is inserted.
  • a third technical means is an electric vehicle, wherein the outer rotor type motor of the first or second technical means is provided on a wheel of a wheel, and the wheel is directly driven by the outer rotor type motor. It is a feature.
  • the bobbin can be easily attached to the stator, and the engagement pieces provided on the stator center and the stator guide for holding the stator abut on the axial end surfaces of the stator. There is no pressing force acting on the engaging portion, and there is no possibility that the engaging portion of the bobbin is damaged during use. Further, heat from the stator is easily transmitted to the stator center and the stator guide via the engagement pieces provided on the stator center and the stator guide, and the heat radiation effect of the stator is improved.
  • FIG. 2 is a schematic sectional view when the outer rotor type motor according to the first embodiment of the present invention is configured as an in-wheel motor. It is a perspective view of the bobbin used for the outer rotor type motor which concerns on one Embodiment of this invention.
  • FIG. 3 is a diagram showing the bobbin shown in FIG. 2 viewed from each direction and a diagram showing a cross section.
  • FIG. 3 is a perspective view showing a state in which a bobbin is mounted on a stator in the outer rotor type motor according to one embodiment of the present invention.
  • FIG. 3 is a cross-sectional view illustrating a state in which a stator center and a stator guide are mounted on a stator core in one embodiment of the present invention.
  • FIG. 1 is a schematic cross-sectional view when the outer rotor type motor according to the first embodiment of the present invention is configured as an in-wheel motor, and is partially simplified. The wheels and tires of the vehicle are not shown.
  • the in-wheel motor 100 is built in the wheel of the electric vehicle, and is arranged on the same axis as the axis of the wheel. As shown in FIG. 1, the in-wheel motor 100 has a hub shaft 11, and a wheel (not shown) is mounted by a wheel mounting hub bolt 16 protruding from a wheel mounting surface. For this reason, steel is used for the hub shaft 11 from the viewpoint of securing the strength of mounting the wheels of the vehicle.
  • a brake clamp 18 is also fixed to the hub shaft 11.
  • the hub shaft 11 is rotatably supported by a bearing support member 26 via a bearing 17.
  • the bearing 17 has an inner race 17a, an outer race 17b, and a plurality of rolling elements 17c provided between the inner race 17a and the outer race 17b.
  • the bearing support member 26 is fixed by a bolt 27 to a knuckle which is an underbody frame part (not shown) on the vehicle body side.
  • the bearing support member 26 is made of steel in the same manner as the hub shaft 11 from the viewpoint of securing strength for mounting the in-wheel motor 100 on the vehicle body side.
  • the in-wheel motor 100 is attached to the vehicle body (not shown), and the hub shaft 11 is rotatable with respect to the vehicle body.
  • the hub shaft 11 is arranged on the same axis as the axis of the wheel.
  • a rotor case 12 is fixed to the hub shaft 11.
  • the rotor case 12 has a side surface portion 12a that covers the side surface of the in-wheel motor 100 on the wheel mounting side, and a peripheral portion 12b that extends in the axial direction from the side surface portion 12a. It is desirable to use aluminum for the rotor case 12 in terms of weight reduction and heat conduction.
  • a groove is formed in the inner peripheral surface of the peripheral portion 12b of the rotor case 12, and a cylindrical rotor core 13 made of a magnetic material is disposed inside the groove.
  • a plurality of grooves are formed on the inner peripheral surface of the rotor core 13, and the rotor magnet 14 is fixed in an annular shape in the grooves.
  • the rotor magnet 14 it is desirable to use a neodymium magnet having a strong magnetic force.
  • a stator core 21 is arranged on the inner peripheral surface side of the annularly arranged rotor magnets 14 with a predetermined gap therebetween.
  • the stator core 21 has an annular base 21a and a plurality of teeth 21b radially protruding from the annular base 21a, and is composed of a laminated body of electromagnetic steel sheets.
  • the teeth 21b are formed in a substantially rectangular parallelepiped shape.
  • a bobbin 30 around which a stator coil 40 is wound is fixed to each tooth 21b of the stator core 21.
  • a stator center 22 and a stator guide 23 that support the stator core 21 are provided on the inner peripheral side of the stator core 21, and the stator center 22 is fixed to a bearing support member 26.
  • the stator center 22 and the stator guide 23 are members for supporting the stator core 21, and have holding pieces 22 a and 23 a that sandwich and hold the stator core 21 from both sides in the axial direction.
  • the stator center 22 and the stator guide 23 are fixed by bolts 24 provided on the inner diameter side of the stator core 21 in a state where the inner peripheral surface of the stator core 21 and both end surfaces in the axial direction are positioned.
  • the fixing structure of the stator core 21 will be described later.
  • the stator center 22 and the stator guide 23 are made of aluminum having a high thermal conductivity.
  • a wiring bus 25 is provided on the axial side surface of the stator coil 40, and the winding end 41 of the stator coil 40 is connected outside the wiring bus 25.
  • the bearing support member 26 or the stator center 22 is provided with a rotor position detection sensor 50 composed of, for example, a resolver for detecting the rotational position of the rotor.
  • the rotor position signal from the rotor position detection sensor 50 is sent to a control circuit of a motor driving inverter (not shown).
  • the inverter switches a DC power supply by a switching element according to the position of the rotor, converts the DC power into, for example, three-phase AC, and supplies a current to each stator coil 40 through the current supply line 60 and the wiring bus 25.
  • a motor cap 15 is provided on the peripheral edge 12b of the rotor case 12 to cover the opposite side of the wheel mounting surface.
  • the motor cap 15 faces the stator center 22 via the oil seal 19. In the present embodiment, it is possible to prevent water and dust from entering the in-wheel motor 100.
  • the bearing support member 26, the stator core 21, the bobbin 30, the stator coil 40, the stator center 22, and the stator guide 23 are fixed members that do not rotate. It is attached. Further, the hub shaft 11, the rotor case 12, the rotor core 13, the rotor magnet 14, and the motor cap 15 serve as rotating members. Since the rotor magnet 14 is located outside the stator core 21, the in-wheel motor 100 of the present embodiment constitutes an outer rotor type motor. The wheel of the electric vehicle rotates at the same speed as the rotor of the in-wheel motor 100.
  • FIG. 2 is a perspective view of a bobbin used for the outer rotor type motor according to one embodiment of the present invention.
  • 3A and 3B are a view and a cross-sectional view of the bobbin shown in FIG. 2 when viewed from each direction.
  • FIG. 3A is a bottom view of the bobbin
  • FIG. 3C is a front view of the bobbin
  • FIG. 3D is a cross-sectional view taken along a line DD in FIG. 3A.
  • the positional relationship of each part of the bobbin 30 will be described on the assumption that the bobbin 30 is mounted on the teeth 21 b of the stator core 21.
  • the X-axis direction is the radial direction
  • the positive direction side is the outer diameter side
  • the negative direction side is the inner diameter side.
  • the Y-axis direction and the Z-axis direction are the circumferential direction and the axial direction of the outer rotor type motor, respectively.
  • the bobbin 30 is molded from synthetic resin, glass fiber reinforced resin, or the like, and has a body 31 and two flanges at both ends of the body 31, an outer flange 32 and an inner flange 33. ing.
  • the inside of the body portion 31 is a hollow portion 31a formed in a hollow shape, and the cross-sectional shape is substantially equal to the cross-sectional shape of the teeth 21b of the stator core 21.
  • the teeth 21b are inserted into the hollow portions 31a.
  • a stator coil 40 is wound around the body 31.
  • a cutout 33a into which the winding end 41 of the stator coil 40 is inserted is provided at a location on the inner side flange portion 33 on the wiring bus 25 side in the axial direction.
  • a first engaging portion 34 and a second engaging portion 35 for preventing the bobbin 30 from moving in the radial direction from the stator core 21 are provided on both sides of the inner diameter side flange portion 33 further on the inner diameter side in the axial direction. Have been.
  • the interval between the first engagement portion 34 and the second engagement portion 35 is formed to be substantially equal to the axial thickness of the stator core 21.
  • the circumferential width of the first engaging portion 34 and the second engaging portion 35 is substantially equal to the circumferential width of the inner diameter side flange portion 33 as shown in FIGS. It has a width.
  • the first engagement portion 34 is provided with an engagement hole 34a into which an engagement piece 22c provided in the stator center 22 described later is inserted.
  • the engagement hole 34a penetrates in the axial direction, and when the bobbin 30 is mounted on the teeth 21b of the stator core 21, the stator core 21 is exposed through the engagement hole 34a.
  • a projection 34b projecting outward in the axial direction is provided on the inner diameter side of the engagement hole 34a of the first engagement portion 34.
  • the protrusion 34b prevents the bobbin 30 from moving in the radial direction from the stator core 21 together with the engagement hole 34a when the inner diameter surface of the engagement piece 22c of the stator center 22 abuts on the outer diameter surface. It has a function to prevent it.
  • the second engagement portion 35 is provided with an engagement hole 35a into which an engagement piece 23c provided in the stator guide 23 described later is inserted.
  • the engagement hole 35a penetrates in the axial direction, and when the bobbin 30 is mounted on the teeth 21b of the stator core 21, the stator core 21 is exposed through the engagement hole 35a.
  • a projection 35b projecting outward in the axial direction is provided on the inner diameter side of the engagement hole 35a of the second engagement portion 35.
  • the protrusion 35b prevents the bobbin 30 from moving in the radial direction from the stator core 21 together with the engagement hole 35a when the inner diameter surface of the engagement piece 23c of the stator guide 23 contacts the outer diameter surface. It has a function to prevent it.
  • FIG. 4 is a perspective view showing how a bobbin is mounted on a stator core in the outer rotor type motor according to one embodiment of the present invention.
  • FIG. 5 is a cross-sectional view showing a state in which a stator center and a stator guide are mounted on a stator according to an embodiment of the present invention.
  • FIG. 5A is a cross-sectional view of a tooth portion on which a bobbin is mounted.
  • FIG. 5 (B) shows a cross section at a location where the bobbin is not mounted.
  • the stator core 21 includes the annular base 21a and the teeth 21b radially protruding from the annular base 21a.
  • FIG. 4 shows only one bobbin around which a coil is wound, a bobbin 30 around which a stator coil 40 is wound is mounted on each tooth 21b.
  • the holding piece 22a of the stator center 22 covers the axial end face of the projection 34b of the first engagement portion 34 of the bobbin 30, and the annular portion 22b located on the outer periphery of the stator center 22 and the bobbin 30 are mounted on the stator core 21.
  • a plurality of engagement pieces 22c are integrally provided that protrude in the axial direction from the outer diameter side of the annular portion 22b toward the engagement hole 34a of the first engagement portion 34 of the bobbin 30.
  • the holding piece 23a of the stator guide 23 covers an axial end face of the projection 35b of the second engaging portion 35 of the bobbin 30 and an annular portion 23b located on the outer peripheral portion of the stator guide 23.
  • a plurality of engaging pieces 23c are integrally provided that project in the axial direction from the outer diameter side of the annular portion 23b toward the engaging hole 35a of the second engaging portion 35 of the bobbin 30 when mounted on the bobbin 30. .
  • the bobbin 30 on which the stator coil 40 is wound is mounted on all the teeth 21 b of the stator core 21.
  • the stator core 21 is placed on the stator center 22.
  • the engagement pieces 22 c of the stator center 22 are inserted into the engagement holes 34 a of the first engagement portions 34 of the bobbin 30.
  • the stator core 21 is positioned.
  • the stator guide 23 is placed on the upper part of the stator core 21. At this time, the stator guide 23 is positioned so that the engagement pieces 23c of the stator guide 23 are inserted into the respective engagement holes 35a of the bobbin 30.
  • stator center 22 and the stator guide 23 are fixed by the bolts 24.
  • the tip of the engagement piece 22c of the stator center 22 and the tip of the engagement piece 23c of the stator guide 23 directly contact the stator core 21 to position the stator core 21 in the axial direction.
  • the annular portion 22b of the stator center 22 does not press the axial end surface of the projection 34b of the first engagement portion 34 of the bobbin 30, and the annular portion 23b of the stator guide 23 is The dimensions of each member are determined so that the axial end surface of the protrusion 35b of the second engaging portion 35 is not pressed.
  • the stator core 21 is axially positioned and held by the engaging pieces 22c of the stator center 22 and the engaging pieces 23c of the stator guide 23.
  • the inner surface of the engagement piece 22c of the stator center 22 contacts the inner surface of the engagement hole 34a of the first engagement portion 34 of the bobbin 30.
  • the inner surface of the bobbin 30 contacts the inner surface of each of the engagement holes 35a of the bobbin 30, so that the bobbin 30 does not move in the radial direction from the stator core 21.
  • the pressing force is not directly applied to the bobbin 30 made of the resin material from the stator center 22 or the stator guide 23. Further, even if the bobbin 30 repeatedly expands and contracts due to heat generation from the stator coil 40 due to the stoppage of the operation of the outer rotor type motor, no force is applied to the bobbin 30 from the stator center 22 or the stator guide 23. Then, the heat from the stator core 21 is transmitted to the stator center 22 via the engagement pieces 22c of the stator center 22 and the engagement pieces of the stator guide 23. Therefore, the heat radiation effect of the stator core 21 is improved.
  • the stator core 21 may be positioned by the stator center 22 and other portions of the stator guide in addition to the engagement pieces 22c of the stator center 22 and the engagement pieces 23c of the stator guide 23.
  • the radial length of the first engaging portion 34 of the bobbin 30 on the wiring bus 25 side is configured to be longer than the length of the second engaging portion 35.
  • the shape of the holding piece 22a of the stator center 22 and the holding piece 23a of the stator guide 23 also depends on the presence or absence of the protrusion 34b of the first engagement portion 34 and the protrusion 35b of the second engagement portion 35. What is necessary is just to change the shape. For example, when the projection 34b of the first engagement portion 34 is not provided, the annular portion 22b of the holding piece 22a of the stator center 22 has a shape that covers the axial end surface of the first engagement portion 34 of the bobbin 30. The annular portion 23b of the holding piece 23a of the stator guide 23 has a shape that covers the axial end surface of the second engagement portion 35 of the bobbin 30.
  • the outer rotor type motor of the present invention when used as an in-wheel motor, all or most of the outer rotor type motor can be housed in the wheel of an electric vehicle. Also, even outside the wheel, the wheel of the electric vehicle can be directly driven without interposing a gear or the like by arranging the outer rotor type motor on the same axis as the wheel. Further, the outer rotor type motor of the present invention can be applied to other uses than electric vehicles.
  • engagement Pieces 23: stator guide, 23a: holding piece, 23b: annular portion, 23c: engaging piece, 24: bolt, 25: wiring bus, 26: bearing support member, 27: bolt, 30: bobbin, 31: trunk 31a: hollow portion, 32: outer diameter side flange portion, 33: inner diameter side flange portion, 33a: notch, 34: first engagement portion, 34a: engagement hole, 34b: projection portion, 5 ... second engaging portion, 35a ... engagement hole, 35b ... protrusion, 40 ... stator coil, 41 ... winding end, 50 ... rotor position detection sensor, 60 ... current supply line, 100 ... in-wheel motor.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
PCT/JP2019/000526 2018-08-24 2019-01-10 アウターロータ型モータ、および、電気自動車 WO2020039608A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018157654A JP6443958B1 (ja) 2018-08-24 2018-08-24 アウターロータ型モータ、および、電気自動車
JP2018-157654 2018-08-24

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Publication Number Publication Date
WO2020039608A1 true WO2020039608A1 (ja) 2020-02-27

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JP (1) JP6443958B1 (zh)
CN (1) CN110149017A (zh)
TW (1) TW202010220A (zh)
WO (1) WO2020039608A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020114054A (ja) * 2019-01-08 2020-07-27 トヨタ自動車株式会社 インホイールモータ
JP7092066B2 (ja) * 2019-02-25 2022-06-28 株式会社デンソー 回転電機

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001054246A (ja) * 1999-08-06 2001-02-23 Sawafuji Electric Co Ltd アウタロータ型多極発電機におけるステータの絶縁構造
WO2004030180A1 (ja) * 2002-09-24 2004-04-08 Sawafuji Electric Co., Ltd. アウタロータ型多極発電機用ステータ及びその組立方法
JP2012016216A (ja) * 2010-07-02 2012-01-19 Hitachi Industrial Equipment Systems Co Ltd 回転電機
JP2012161195A (ja) * 2011-02-02 2012-08-23 Hitachi Industrial Equipment Systems Co Ltd 電動機
JP2017229178A (ja) * 2016-06-23 2017-12-28 公益財団法人岡山県産業振興財団 ボビン構造

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002305851A (ja) * 2001-03-30 2002-10-18 Mitsuba Corp ステータの突極構造
JP5004110B2 (ja) * 2010-07-30 2012-08-22 本田技研工業株式会社 アウターロータ型突極集中巻き電動機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001054246A (ja) * 1999-08-06 2001-02-23 Sawafuji Electric Co Ltd アウタロータ型多極発電機におけるステータの絶縁構造
WO2004030180A1 (ja) * 2002-09-24 2004-04-08 Sawafuji Electric Co., Ltd. アウタロータ型多極発電機用ステータ及びその組立方法
JP2012016216A (ja) * 2010-07-02 2012-01-19 Hitachi Industrial Equipment Systems Co Ltd 回転電機
JP2012161195A (ja) * 2011-02-02 2012-08-23 Hitachi Industrial Equipment Systems Co Ltd 電動機
JP2017229178A (ja) * 2016-06-23 2017-12-28 公益財団法人岡山県産業振興財団 ボビン構造

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TW202010220A (zh) 2020-03-01
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JP6443958B1 (ja) 2018-12-26

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