WO2013190677A1 - 電動機 - Google Patents

電動機 Download PDF

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Publication number
WO2013190677A1
WO2013190677A1 PCT/JP2012/065853 JP2012065853W WO2013190677A1 WO 2013190677 A1 WO2013190677 A1 WO 2013190677A1 JP 2012065853 W JP2012065853 W JP 2012065853W WO 2013190677 A1 WO2013190677 A1 WO 2013190677A1
Authority
WO
WIPO (PCT)
Prior art keywords
side coil
stator
power distribution
opening
coil
Prior art date
Application number
PCT/JP2012/065853
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
後藤　隆
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2012/065853 priority Critical patent/WO2013190677A1/ja
Priority to JP2014521165A priority patent/JP5791800B2/ja
Priority to CN201290001223.4U priority patent/CN204334191U/zh
Publication of WO2013190677A1 publication Critical patent/WO2013190677A1/ja

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Classifications

    • 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
    • H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/0056—Manufacturing winding connections
    • H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
    • H02K15/0081—Connecting winding sections; Forming leads; Connecting leads to terminals for form-wound windings
    • 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
    • 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

Definitions

  • the present invention relates to an electric motor in which a flat distribution-side coil and a flat stator-side coil are welded.
  • An electric motor such as a three-phase synchronous AC motor creates a magnetic pole in the rotor by a permanent magnet on the stator side, and creates a magnetic pole in the stator teeth by a stator side coil disposed between the stator teeth. Then, the power distribution unit connected to the external power source switches the energization to the stator side coil and switches the S pole and the N pole of the stator teeth, thereby generating a rotational torque.
  • a flat copper plate material (so-called rectangular wire) is employed for the stator side coil and the distribution side coil (for example, patents). References 1 and 2).
  • the flat wire has a merit that the parts manufacturing cost is lower than that of the eccentric wire, and the assembly can be simplified.
  • FIG. 12 (a) a flat stator side coil 100 and a flat distribution side coil 101 are arranged in parallel, and the ends of both coils are TIG welded.
  • FIGS. 12 (b) and 12 (c) are views taken along the arrow D showing the success of welding
  • FIGS. 12 (d) to 12 (f) are views showing the failure of welding.
  • both coils are inserted by inserting one end of the second coil into the opening in which one end of the first coil is disposed. Were facing each other in parallel. In the case of this configuration, there is a problem that a gap is generated between the coils depending on the degree of variation of each part, and the weldability becomes unstable.
  • the electric motor of the above-mentioned Patent Document 2 is not a configuration in which flat coils are welded and electrically connected, but a configuration in which one coil is pressed against the other coil to ensure electrical connection.
  • a connection opening in which one end of the first coil is exposed is formed in the resin sealing the first coil, and one end of the first coil and a connection opening facing the connection opening are formed in the connection opening.
  • a female portion into which one end portion of the second coil is inserted and connected is formed by the resin surface, and when the one end portion of the second coil is inserted, the second coil is connected to one end portion of the first coil. It was held between the resin surface of the opening. In the case of this configuration, since the first coil is in contact with the second coil at an angle, there is a problem that the contact area is small and the weldability becomes unstable.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an electric motor having improved weldability between flat coils.
  • An electric motor includes a rotor unit integrated with a shaft, a stator unit fixed at a position surrounding the outer periphery of the rotor unit, and a plate-like stator side coil disposed in parallel to the axial direction of the shaft, and a stator A through hole that penetrates the end of the side coil, and a flat distribution side coil that is disposed parallel to the axial direction in the through hole, exposed from the through hole opening, and welded to the stator side coil that penetrates the through hole And a power distribution unit that supplies power to the stator unit via the power distribution side coil, and a pressing member that presses and contacts the power distribution side coil exposed from the through-hole opening and the stator side coil.
  • the pressing member presses and contacts the power distribution side coil and the stator side coil exposed from the opening of the through hole, so that the two coils can be welded in close contact with each other without any gap, and the weldability is improved.
  • An improved electric motor can be provided.
  • FIG. 1 It is sectional drawing which shows the structure of the electric motor which concerns on Embodiment 1 of this invention. It is a perspective view of a stator part and a power distribution part among the electric motors concerning Embodiment 1.
  • FIG. It is a figure explaining rotation operation of the electric motor concerning Embodiment 1.
  • FIG. It is sectional drawing which cut
  • FIG. 1 It is a perspective view of a stator part and a power distribution part among the electric motors concerning Embodiment 1.
  • FIG. It is a figure explaining rotation operation of the electric motor concerning Embodiment 1.
  • FIG. It is sectional drawing which cut
  • FIGS. 12B and 12C are diagrams for explaining the outline of TIG welding.
  • FIGS. 12B and 12C show examples when welding is successful, and FIGS. 12D to 12F show examples when welding fails.
  • FIG. 1 An electric motor 1 shown in FIGS. 1 and 2 constitutes a three-phase AC synchronous motor, and rotates a cylindrical housing 2, a stator unit 3 and a power distribution unit 10 fixed inside the housing 2, and a shaft (not shown).
  • the rotor portion 9 to be moved and the pressing member 14 are provided.
  • the rotor portion 9 has two protrusions protruding outward in the circumferential direction at intervals of 180 degrees, and the protrusions are shifted by 90 degrees in the middle of the rotation axis direction X (protrusions 9a and 9b).
  • the rotor portion 9 may be composed of a permanent magnet.
  • the magnetic steel sheet is punched out in a protruding shape, and the protruding portion is formed in the middle of the rotation axis direction X. The state is shifted by 90 degrees (protrusions 9a, 9b).
  • ⁇ A shaft is fixed to the rotor portion 9 and the shaft is rotated integrally with the rotor portion 9 to output the rotational force generated in the rotor portion 9 to the outside.
  • the shaft fixed to the rotor portion 9 is connected to a rotating shaft of a turbine (so-called impeller), and the electric motor 1 rotates the turbine.
  • the stator portion 3 includes two stator cores 4 and 5, a magnet 6 disposed between the stator cores 4 and 5, six U-shaped stator side coils 7, and a mold portion 8 for integrating them. It consists of.
  • Each of the stator cores 4 and 5 is configured by laminating electromagnetic steel plates in the rotation axis direction X.
  • the stator core 5 includes an annular body 5a and six protrusions (hereinafter referred to as teeth 5b) protruding from the inner peripheral portion of the annular body 5a toward the center.
  • the stator core 4 is also composed of an annular body 4a and six teeth 4b.
  • the magnet 6 has substantially the same shape as the annular bodies 4a and 5a.
  • the stator side coil 7 is a one-turn coil obtained by bending a copper plate into a U-shape.
  • One stator side coil 7 is attached to one set of teeth 4b and 5b facing the rotation axis direction X.
  • the mold portion 8 is formed of a resin member that integrally molds the stator cores 4 and 5, the magnet 6, and the stator side coil 7.
  • Each stator side coil 7 mounted and molded on each of the teeth 4b and 5b penetrates the mold portion 8 in the rotation axis direction X, and a bent portion protrudes toward the stator core 4 and a tip portion protrudes toward the stator core 5 side.
  • the tip portions of the stator side coils 7 are brought into contact with the inner wall of the mold and aligned in the height direction so that the heights of the tip portions of the stator side coils 7 are aligned. The shift in direction is suppressed.
  • the power distribution unit 10 is formed of a resin member that integrally molds a power distribution side coil 11 of a copper plate.
  • the distribution-side coil 11 is annularly arranged along the circumferential direction of the shaft, and has one end connected to the stator-side coil 7 and the other end connected to an inverter board (not shown).
  • the power distribution unit 10 is formed with a through hole 10a for penetrating the tip end portion of the stator side coil 7.
  • the stator side coil 7 penetrating the through hole 10a is arranged from the inside of the through hole 10a toward the opening. It faces the installed power distribution side coil 11 in parallel.
  • the inverter board connected to the distribution side coil 11 converts the external power source into an alternating current, and based on the position signal input from the position detection sensor 12, the three phases of the distribution side coil 11 of U phase, V phase and W phase are converted.
  • the current is passed from the power distribution side coil 11 to the stator side coil 7 by sequentially switching.
  • a position detection sensor 12 is installed at the center of the power distribution unit 10. The position detection sensor 12 detects the position of the target fixed to the shaft and outputs a position signal indicating the rotational position of the shaft.
  • the pressing member 14 is formed in a disk shape using an insulating resin member or the like, and 12 openings 14 a are formed through the respective distal end portions of the power distribution side coil 11 and the stator side coil 7.
  • the stator side coil 7 and the power distribution side coil 11 pass through one opening 14a, respectively, and the stator side coil 7 and the power distribution side coil 11 are pressed and maintained in close contact with the inner wall surface of the opening 14a. Further, the ends of both coils protruding from the opening 14a are TIG welded to be electrically connected. In this electric motor 1, six stator side coils 7 are used, so there are two welded portions 13 per piece, for a total of 12 places.
  • the magnetic flux generated by the magnet 6 magnetized in the rotation axis direction X flows out from the teeth 4b of the stator core 4 arranged on the N pole side of the magnet 6 to the protrusion 9a of the rotor portion 9, and the rotor portion 9 moves in the rotation axis direction X Then, the magnetic field flux exits from the protrusion 9b on the S pole side and flows into the teeth 5b of the stator core 5 disposed on the S pole side of the rotor portion 9.
  • FIG. 3 is a plan view of the stator unit 3 and the rotor unit 9 as viewed from the power distribution unit 10 side. However, the housing 2 and the stator side coil 7 are not shown.
  • the housing 2 is formed with an abutting portion 2 a that abuts on one end surface of the stator portion 3 and an abutting portion 2 b that abuts on one end surface of the power distribution unit 10.
  • the integrally molded stator portion 3 is press-fitted into the housing 2 from the A direction and brought into contact with the contact portion 2a.
  • the integrally-distributed power distribution unit 10 is inserted into the housing 2 from the B direction, is brought into contact with the contact unit 2b, and is assembled with screws or the like.
  • the front end portion of the stator side coil 7 is passed through the through hole 10a of the power distribution unit 10, and the stator side coil 7 and the power distribution side coil 11 are arranged in parallel.
  • FIG. 4 is a cross-sectional view of the periphery of the through-hole 10a of the power distribution unit 10 taken along the line CC in FIG. 2.
  • FIG. 4 (a) is a state before the pressing member 14 is attached, and FIG. The state after installation is shown.
  • the tip end side of the power distribution side coil 11 bent in an L shape is disposed in the rotation axis direction X and protrudes from the through hole 10a.
  • the front end portions of the stator side coil 7 and the power distribution side coil 11 face each other and are in parallel.
  • the pressing member 14 is attached to the coil projecting side of the power distribution unit 10, and the leading end portions of the stator side coil 7 and the power distribution side coil 11 are passed through the opening 14 a.
  • the opening 14a of the pressing member 14 has a smaller opening area of the outlet side opening 14a-2 than the opening area of the inlet side opening 14a-1 into which the stator side coil 7 and the power distribution side coil 11 are inserted.
  • the wall surface is tapered such that it swells from the inlet side opening 14a-1 toward the outlet side opening 14a-2. Therefore, as shown in FIG. 4B, the inner wall surface of the opening 14a is pressed and brought into contact with the stator side coil 7 and the power distribution side coil 11 with the pressing force F, and is maintained in close contact with no gap.
  • the end portions of the stator side coil 7 and the distribution side coil 11 are TIG welded to form a welded portion 13.
  • the TIG weldability of the welded portion 13 is stabilized, and one-side welding and penetration failure do not occur, and good energization is possible.
  • stator portion 3 in which the stator side coil 7 is molded is assembled to the housing 2, but the present invention is not limited to this assembly procedure.
  • the stator part 3 is integrally formed, the stator side coil 7 is not molded, but instead, an insertion hole (not shown) for inserting the stator side coil 7 is formed in the molded part 8.
  • the stator side coil 7 is outsert in the insertion hole, and the power distribution part 10 and the pressing member 14 are attached.
  • the stator portion 3 and the power distribution portion 10 can be assembled from the same direction.
  • the stator unit 3 is fixed to the power distribution unit 10
  • the tip portion of the stator side coil 7 is passed through the through hole 10 a of the power distribution unit 10
  • the pressing member 14 is attached, and the stator side coil 7 and the power distribution side coil 11 are connected.
  • Each tip is passed through the opening 14a.
  • the end portions of both coils penetrating through the opening portion 14a are TIG welded to electrically connect the stator side coil 7 and the distribution side coil 11.
  • the stator part 3, the power distribution part 10, and the press member 14 are inserted and fixed to the housing 2 from one direction.
  • the pressing member 14 shown in FIG. 4 has a tapered inner wall surface that contacts the stator-side coil 7 of the opening 14a and an inner wall surface that contacts the distribution-side coil 11 of the opening 14a.
  • the configuration is such that each side coil 11 is pressed, only one of the inner wall surfaces may be tapered, and one coil may be pressed toward the other coil.
  • the electric motor 1 is fixed at a position surrounding the outer periphery of the rotor portion 9 and the rotor portion 9 integrated with the shaft, and the plate-shaped stator side coil 7 is in the direction of the rotation axis of the shaft.
  • the stator portion 3 disposed in parallel with X, the through hole 10a penetrating the end of the stator side coil 7, and the opening of the through hole 10a disposed in the through hole 10a in parallel with the rotation axis direction X.
  • a power distribution unit 10 that has a plate-like power distribution side coil 11 that is exposed and welded to the stator side coil 7 that penetrates the through hole 10a, and that supplies power to the stator unit 3 via the power distribution side coil 11, and a through hole
  • the distribution side coil 11 exposed from the opening of 10a and the pressing member 14 which press-contacts the stator side coil 7 are provided, and the pressing member 14 is the distribution side coil 11 exposed from the opening of the through-hole 10a and the stator side.
  • the opening 14a penetrates the coil 7, and the opening 14a has a narrower outlet side opening 14a-2 than the inlet side opening 14a-1 of the distribution side coil 11 and the stator side coil 7, and the distribution side coil 11
  • the stator side coil 7 are configured to be in press contact. For this reason, it becomes possible to perform welding with the stator side coil 7 and the distribution side coil 11 in close contact with each other without any gap, and the electric motor 1 with improved weldability can be provided.
  • FIG. FIG. 5 is a cross-sectional view showing the configuration of the electric motor 1 according to the second embodiment
  • FIG. 6 shows a pressing member 15 used in the electric motor 1.
  • 7 is a cross-sectional view of the periphery of the through-hole 10a of the power distribution unit 10 cut at a position corresponding to the CC line shown in FIG. 2, and FIG. 7 (a) shows a state before the pressing member 15 is attached, FIG. b) shows the state after mounting. 5 to 7, the same or corresponding parts as those in FIGS. 1 to 4 are denoted by the same reference numerals and description thereof is omitted.
  • this Embodiment 2 it replaces with the press member 14 of the said Embodiment 1, and the press member 15 which made the elastic body the clip shape is used.
  • the stator side coil 7 and the power distribution side coil 11 are pressed by attaching the pressing member 15 so as to sandwich the tip portions of the stator side coil 7 and the power distribution side coil 11 protruding from the through hole 10a of the power distribution unit 10. Pressed with the pressure F and kept in close contact with no gap. Since this pressing member 15 is formed with an opening 15a that exposes the tips of the stator side coil 7 and the power distribution side coil 11, the ends of both coils exposed from the opening 15a with the pressing member 15 attached. These are TIG welded to form a welded portion 13. As a result, the TIG weldability of the welded portion 13 is stabilized, and one-side welding and penetration failure do not occur, and good energization is possible.
  • the pressing member 15 is made of an elastic member such as a resin member or a metal member. When the constituent members are insulating, the adjacent pressing members 15 may be in contact with each other, but when they are conductive, it is necessary to prevent the adjacent pressing members 15 from contacting each other. .
  • the pressing member 15 is attached to each end of the stator side coil 7 and the distribution side coil 11 from the rotation axis direction X.
  • the present invention is not limited to this, and the pressing member 15 is not limited thereto. May be attached from a direction orthogonal to the rotation axis direction X. In the case of mounting from the orthogonal direction, the pressing member 15 does not cover the welded portion 13, and therefore the opening 15a is not necessary.
  • the electric motor 1 is configured to use, as the pressing member 15, an elastic body that sandwiches the power distribution side coil 11 and the stator side coil 7 exposed from the opening of the through hole 10 a of the power distribution unit 10. did. For this reason, it becomes possible to perform welding with the stator side coil 7 and the distribution side coil 11 in close contact with each other without any gap, and the electric motor 1 with improved weldability can be provided.
  • FIG. 8 is a cross-sectional view showing the configuration of the electric motor 1 according to the third embodiment.
  • 9 is a cross-sectional view of the periphery of the through hole 10a of the power distribution unit 10 cut at a position corresponding to the CC line shown in FIG. 2, and FIG. 9 (a) is a state before inserting the stator side coil 7, FIG. 9 (b) shows the inserted state.
  • FIG. 10 is an enlarged perspective view of the distal end side of the power distribution side coil 11. 8 to 10, the same or corresponding parts as those in FIGS. 1 to 4 are denoted by the same reference numerals and description thereof is omitted.
  • two arm portions (pressing members) 16 for holding the stator side coil 7 are formed at the distal end portion of the distribution side coil 11 exposed from the opening of the through hole 10a.
  • the stator side coil 7 that has penetrated the through hole 10 a is inserted into the gap between the power distribution side coil 11 and the arm portion 16 at the tip portion.
  • the arm portion 16 presses the stator side coil 7 toward the distribution side coil 11 with the pressing force F, and the stator side coil 7 and The state where the power distribution coil 11 is in close contact with the distribution-side coil 11 is maintained.
  • the end portions of the stator side coil 7 and the distribution side coil 11 are TIG welded to form a welded portion 13.
  • the TIG weldability of the welded portion 13 is stabilized, and one-side welding and penetration failure do not occur, and good energization is possible.
  • FIG. 11 is a plan view showing a modification of the third embodiment and enlarging the distal end side of the power distribution side coil 11.
  • FIG. 11A shows a state before the stator side coil 7 is inserted
  • FIG. 11B shows the inserted state.
  • the distance L ⁇ b> 1 between the power distribution side coil 11 and the tip of the arm portion 16 is made smaller than the thickness L ⁇ b> 2 of the stator side coil 7. Since the arm portion 16 is formed by processing one copper plate constituting the power distribution side coil 11, it can be elastically deformed.
  • stator side coil 7 is inserted into the gap between the power distribution side coil 11 and the arm portion 16 while elastically deforming the arm portion 16 at the tip portion. Then, as shown in FIG. 11B, the arm portion 16 is elastically deformed, so that the stator side coil 7 is pressed toward the distribution side coil 11 by the pressing force F, and the stator side coil 7 and the distribution side coil are pressed. 11 is maintained in close contact with no gap.
  • the arm portions 16 are formed on both sides of the power distribution side coil 11.
  • the present invention is not limited to this, and the stator side coil 7 may be formed by forming either one of them. Any shape that can be held is acceptable.
  • the electric motor 1 is configured to have the arm portion 16 that is formed on the portion exposed from the opening 10a of the distribution side coil 11 and holds the stator side coil 7 as the pressing member. did. For this reason, it becomes possible to perform welding with the stator side coil 7 and the distribution side coil 11 in close contact with each other without any gap, and the electric motor 1 with improved weldability can be provided.
  • the electric motor according to the present invention improves the weldability between the flat coils, it is used for an electric motor that requires relatively large electric power and is applied to a turbocharger for an automobile, an electric compressor, and the like. Is suitable.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Motor Or Generator Frames (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
PCT/JP2012/065853 2012-06-21 2012-06-21 電動機 WO2013190677A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2012/065853 WO2013190677A1 (ja) 2012-06-21 2012-06-21 電動機
JP2014521165A JP5791800B2 (ja) 2012-06-21 2012-06-21 電動機
CN201290001223.4U CN204334191U (zh) 2012-06-21 2012-06-21 电动机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/065853 WO2013190677A1 (ja) 2012-06-21 2012-06-21 電動機

Publications (1)

Publication Number Publication Date
WO2013190677A1 true WO2013190677A1 (ja) 2013-12-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/065853 WO2013190677A1 (ja) 2012-06-21 2012-06-21 電動機

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Country Link
JP (1) JP5791800B2 (zh)
CN (1) CN204334191U (zh)
WO (1) WO2013190677A1 (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018028856A1 (de) * 2016-08-11 2018-02-15 Robert Bosch Gmbh Stator einer elektrischen maschine
WO2019174877A1 (de) * 2018-03-15 2019-09-19 Zf Friedrichshafen Ag Isoliereinheit für eine elektrische maschine
WO2019185087A1 (de) * 2018-03-29 2019-10-03 Aumann Beelen Gmbh Verfahren und vorrichtung zum fügen von spulenelementen in einer anordnung für eine spule einer elektrodynamischen maschine
JP2020188570A (ja) * 2019-05-14 2020-11-19 日立オートモティブシステムズ株式会社 回転電機
US11387719B2 (en) * 2016-11-18 2022-07-12 Hitachi Astemo, Ltd. Method of manufacturing rotary electric machine
WO2024121528A1 (en) * 2022-12-08 2024-06-13 Bowman Power Group Limited A high-speed electrical machine and a stator

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JPH05300687A (ja) * 1992-04-16 1993-11-12 Seiko Epson Corp モータ及びモータの製造方法
JPH08298738A (ja) * 1995-04-26 1996-11-12 Mitsubishi Electric Corp 回転電機界磁コイルの極間接続装置
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JP2008079465A (ja) * 2006-09-22 2008-04-03 Mitsuba Corp ブラシレスモータ
JP2012065400A (ja) * 2010-09-14 2012-03-29 Asmo Co Ltd モータ

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JPH05152045A (ja) * 1991-05-15 1993-06-18 Mitsubishi Electric Corp 超電導線の接続方法、超電導線接続用スリーブ及び超電導線接続装置
US5331113A (en) * 1992-10-30 1994-07-19 Raychem Corporation Electrical connector
JP2004080860A (ja) * 2002-08-12 2004-03-11 Sumitomo Electric Ind Ltd モーター部品とその製造方法
JP4563244B2 (ja) * 2004-05-06 2010-10-13 有限会社 エルメック 多相モータ
JP5509896B2 (ja) * 2010-02-10 2014-06-04 株式会社豊田自動織機 ステータコイル及びモータ

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Publication number Priority date Publication date Assignee Title
JPH05300687A (ja) * 1992-04-16 1993-11-12 Seiko Epson Corp モータ及びモータの製造方法
JPH08298738A (ja) * 1995-04-26 1996-11-12 Mitsubishi Electric Corp 回転電機界磁コイルの極間接続装置
JP2002223552A (ja) * 2001-01-26 2002-08-09 Zexel Valeo Climate Control Corp ブラシレスモータ
JP2008079465A (ja) * 2006-09-22 2008-04-03 Mitsuba Corp ブラシレスモータ
JP2012065400A (ja) * 2010-09-14 2012-03-29 Asmo Co Ltd モータ

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018028856A1 (de) * 2016-08-11 2018-02-15 Robert Bosch Gmbh Stator einer elektrischen maschine
US11387719B2 (en) * 2016-11-18 2022-07-12 Hitachi Astemo, Ltd. Method of manufacturing rotary electric machine
WO2019174877A1 (de) * 2018-03-15 2019-09-19 Zf Friedrichshafen Ag Isoliereinheit für eine elektrische maschine
US11621599B2 (en) 2018-03-15 2023-04-04 Zf Friedrichshafen Ag Insulating unit for an electric machine
WO2019185087A1 (de) * 2018-03-29 2019-10-03 Aumann Beelen Gmbh Verfahren und vorrichtung zum fügen von spulenelementen in einer anordnung für eine spule einer elektrodynamischen maschine
JP2020188570A (ja) * 2019-05-14 2020-11-19 日立オートモティブシステムズ株式会社 回転電機
JP7329959B2 (ja) 2019-05-14 2023-08-21 日立Astemo株式会社 回転電機
WO2024121528A1 (en) * 2022-12-08 2024-06-13 Bowman Power Group Limited A high-speed electrical machine and a stator

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JP5791800B2 (ja) 2015-10-07
CN204334191U (zh) 2015-05-13
JPWO2013190677A1 (ja) 2016-02-08

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