WO2011155430A1 - 回転電機とその製造方法 - Google Patents
回転電機とその製造方法 Download PDFInfo
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- WO2011155430A1 WO2011155430A1 PCT/JP2011/062907 JP2011062907W WO2011155430A1 WO 2011155430 A1 WO2011155430 A1 WO 2011155430A1 JP 2011062907 W JP2011062907 W JP 2011062907W WO 2011155430 A1 WO2011155430 A1 WO 2011155430A1
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- coil
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- rotating electrical
- electrical machine
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
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- 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
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/095—Forming windings by laying conductors into or around core parts by laying conductors around salient poles
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- 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
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
- H02K15/0435—Wound windings
- H02K15/0442—Loop windings
- H02K15/045—Form wound coils
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
Definitions
- the present invention relates to a rotating electrical machine such as a motor or a generator and a method for manufacturing the same.
- In-vehicle motors have a limited mounting space, and a high output must be obtained with a limited battery voltage. In this way, the demand for compact and high output is extremely high.
- concentrated winding motors employ split cores to increase the space factor by winding thick wires and square wires at high density. There is a way.
- Patent Document 1 discloses an example of a continuous winding of a split core using square wires in a concentrated winding motor.
- Patent Document 1 six in-phase coils are wound continuously, and a motor is configured by Y connection.
- an object of the present invention is to provide a rotating electrical machine that contributes to downsizing and a reduction in price and improves output.
- a method of manufacturing a rotating electrical machine including a stator having a continuous winding coil in which a concentrated winding coil having a rectangular cross section is continuously wound through a jumper wire.
- the split core before winding is mounted on the split core front / rear mechanism, and the split core front / rear mechanism moves the split core back and forth to secure the winding path to wind the coil wire.
- the position of the winding end line is held at approximately 90 ° with an open / close type chuck equipped with a chuck front / rear mechanism, and all the surfaces of the coil wire are aligned.
- the open / close type chuck is mounted on the split core front / rear mechanism.
- a continuous winding coil is formed by moving back and forth and opening and closing and opening and closing the open / close chuck.
- three sets of continuous winding coils are formed using the manufacturing method, and two sets of the continuous winding coils among the three sets of continuous winding coils. Tilt the crossover wire to the inner diameter side of the stator core at a different angle and assemble three sets of continuous winding coils into an annular shape and assemble the three sets of continuous winding coils on the side surface of the connecting wire and the connection terminals It is preferable that the connection surfaces be in the same direction.
- the continuous winding coil is formed using the manufacturing method of the rotating electrical machine according to the first aspect, and all the surfaces of the square lines constituting the continuous winding coil are arranged.
- a rotating electrical machine according to a fourth aspect of the present invention forms a continuous winding coil by using the method for manufacturing a rotating electrical machine according to the second aspect, and includes a side surface of a jumper wire of neutral point connection portions of three sets of continuous winding coils. The connection surfaces of the connection terminals are in the same direction.
- a continuous winding coil in which a concentrated winding coil whose coil wire has a rectangular cross section is continuously wound via a jumper wire, a continuous winding coil is configured. All the faces of the square line were aligned.
- a rotating electrical machine including a stator having a wound coil in which a cross section of a coil wire is not circular, the winding coil being wound through a jumper wire, A chuck in which the split core in front of the wire is mounted on the front and rear movable mechanism, the split core is moved back and forth by the front and rear movable mechanism and wound, and the posture of the winding start line and the winding end line of the concentrated winding coil is provided in the front and rear movable mechanism
- the coil wire surface is aligned in a predetermined direction, the front and rear movable mechanism is moved back and forth, and the chuck is opened and closed and opened and closed to form three sets of winding coils.
- Two of the three sets of winding coils Tilt the connecting wire of the wound coil to the inner diameter side of the stator core at different angles, assemble three sets of winding coils into a circle, and connect the side of the connecting wire at the neutral point connection of the three sets of winding coils to the connection terminal Orient the faces in the same direction.
- FIG. 1 is a schematic diagram showing an arrangement of connecting wires of respective phase coils of an 8-pole 12-slot motor according to an embodiment of the present invention.
- FIG. 2 is a connection diagram of each phase coil of an 8-pole 12-slot motor according to an embodiment of the present invention.
- FIG. 3 is a perspective view showing the structure of a 4-phase wound coil for one phase according to an embodiment of the present invention.
- FIG. 4 is a perspective view showing the structure of a four-phase wound coil for one phase according to an embodiment of the present invention.
- FIG. 5 is a perspective view showing the structure of a 4-phase wound coil for one phase according to an embodiment of the present invention.
- FIG. 6 is a perspective view showing a method for assembling three continuous coils for three phases according to an embodiment of the present invention.
- FIG. 7 is a perspective view showing a state in which a winding start line of a four-phase wound coil for one phase according to an embodiment of the present invention is introduced into a split core.
- FIG. 8 is a perspective view showing a state in which the winding path is secured by moving the winding start line of the four-continuous winding coil for one phase according to the embodiment of the present invention backward.
- FIG. 9 is a cross-sectional view showing a method for connecting neutral points of three-phase four-continuous winding coils according to an embodiment of the present invention.
- the divided core is first mounted on a mechanism for moving back and forth and then wound. Move forward by the split core to secure the winding trajectory. Further, in order to ensure the alignment of the windings, it is necessary to align the side surfaces of the crossovers. Therefore, a chuck mechanism for holding the square line is mounted on the upper part of the split core, and the square line is held so as to have a substantially 90 ° posture. After guiding the square wire to a predetermined location in the split core, the chuck mechanism is further retracted backward, so that a winding track can be secured.
- a continuously wound coil can be produced.
- three continuous-winding coils for one phase are produced, and a continuous-winding coil for three phases is assembled by tilting the connecting wires of two-phase continuous winding coils to the inner diameter side of the stator core. To avoid crossover interference. Further, a neutral point connection is made with a connection terminal at a portion where the interference of the crossover wires for three phases is eliminated, thereby constituting a rotating electrical machine.
- connection terminals can be facilitated by eliminating the interference of the crossover wires for three phases.
- by using a square wire to increase the motor output and lowering the coil end height it is possible to simultaneously realize a reduction in motor copper loss, a reduction in motor size, and a reduction in price.
- FIG. 1 schematically shows a crossover arrangement of each coil element of a motor according to an embodiment of the present invention.
- the motor 100 is an inner rotor type motor configured by disposing the rotor 20 on the inner side and the stator 90 on the outer side, and is a concentrated winding motor using a split core.
- an explanation will be given by taking as an example a case of using an 8-pole 12-slot motor and using a square wire as a coil conductor.
- the configuration of the motor 100 described below is an example, and it goes without saying that the number of motor poles and the number of slots can be appropriately changed without changing the content of the present invention. As shown in FIG.
- the stator 90 is formed by connecting twelve divided cores around which coil elements 10a to 10l are wound in an annular shape.
- the rotor 20 is arranged with a certain gap inside the stator 90.
- An 8-pole magnetic pole is formed on the outer periphery of the rotor 20 by alternately arranging N poles and S poles in the circumferential direction.
- FIG. 1 four U-phase coil elements 10a, 10d, 10g, and 10j are continuously wound through a jumper.
- the winding directions of the coil elements 10a and 10d are the same, and the winding directions of the coil elements 10g and 10j are opposite.
- the V-phase four coil elements 10b, 10e, 10h, and 10k and the W-phase four coil elements 10c, 10f, 10i, and 10l have the same configuration as described above in the winding direction of the continuous winding. Therefore, if the motor 100 is configured as described above, the neutral point of the U-phase four-continuous winding coil, the V-phase four-continuous winding coil, and the W-phase four-continuous winding coil is the intermediate point of the four-continuous winding coil. It becomes the same location, and the connection terminal 30 can be arranged in this portion.
- the connecting wire of the V-phase 4-continuous winding coil is slightly inclined toward the inner diameter side of the stator core, and the U-phase 4-continuous winding coil is changed to the V-phase. In contrast, it is slightly inclined. Thereby, there is no mutual interference of the crossover wires, and it is possible to avoid the coil end from protruding to the rotor portion or the core back.
- FIG. 2 shows a connection diagram of the stator 90 of the motor 100 of the present invention.
- the U-phase coil 10U is configured by connecting an input line 15U1, a coil element 10a, a crossover line 15U2, a coil element 10d, a crossover line 15U3, a coil element 10g, a crossover line 15U4, a coil element 10j, and an input line 15U5.
- the winding directions of the coil elements 10a and 10d are the same, and the winding directions of the coil elements 10g and 10j are opposite.
- the winding directions of the V-phase coil 10V and the W-phase coil 10W are the same as described above. That is, the motor 100 of the present invention is configured by two series and two parallel Y connections.
- intermediate portions of the U-phase coil 10U, the V-phase coil 10V, and the W-phase coil 10W are the crossover wires 15U3, 15V3, and 15W3, respectively, and are fixed by connecting the neutral points with the connection terminals 30. It functions as a child 20.
- the structure of a four-phase wound coil for one phase which is an embodiment of the present invention, will be described taking a W-phase coil 10W as an example.
- the W-phase coil 10W has coil elements 10c, 10f, 10i, and 10l wound around four divided cores arranged side by side, and each coil element is connected to a crossover line 15W2, 15W3. It is continuously wound through 15W4.
- terminal lines 15W1 and 15W5 are input lines.
- the feature of this continuous winding coil is that all the side surfaces of the square wire constituting the continuous winding coil including the jumper wires are aligned by the winding method described later. As a result, the alignment of the coil elements in the split core is improved, and the space factor is improved.
- the basic coil shape of the V-phase coil 10V and the U-phase coil 10U is the same as that described above.
- FIG. 4 shows a V-phase coil 10V.
- the difference between the V-phase coil 10V and the W-phase coil 10W is that the connecting wires 15V2, 15V3, 15V4 and the input wire 15V5 of each coil element of the V-phase coil 10V are slightly at an angle ⁇ 1 on the inner diameter side of the stator core. It is inclined.
- FIG. 5 shows a U-phase coil 10U.
- the difference between the U-phase coil 10U and the W-phase coil 10W is that the connecting wires 15U2, 15U3, 15U4 and the input line 15U5 of each coil element of the U-phase coil 10U are slightly fixed at an angle ⁇ 2 larger than ⁇ 1. That is, it is inclined toward the inner diameter side of the child core.
- FIG. 6 shows a structure in which four continuous winding coils for three phases according to an embodiment of the present invention are overlapped.
- the coils are overlapped in the order of W-phase coil 10W, V-phase coil 10V, and U-phase coil 10U. Only in this state, a space for connecting the neutral points of the coils for the three phases, that is, the neutral point connecting portion 40 is formed.
- the connecting wires of the V-phase coil 10V and the U-phase coil 10U at angles ⁇ 1 and ⁇ 2, respectively, there is no interference between the connecting wires, and the coil end does not protrude from the rotor portion or the core back.
- connection of the motor 100 can be realized by inserting a connection terminal 30 such as a clad material into the neutral point connection portion 40 and performing fusing connection by applying electrodes.
- the stator 90 can be formed by assembling the three-phase four-continuous winding coils expanded laterally in this manner into an annular shape as indicated by arrows in FIG.
- connection method is not limited thereto as long as the connection can be made in the neutral point connection unit 40.
- connection terminal 30 without using the connection terminal 30, only a part of the enamel film of the three-phase crossover wire is removed in advance with a laser, the exposed copper portion of the crossover wire is butted, and TIG welding or You may make it connect using ultrasonic bonding etc. According to this, it is possible to reduce the price of the motor by eliminating the connection terminal 30.
- FIG. 7 and 8 show a winding method of a four-phase wound coil for one phase according to an embodiment of the present invention.
- the four split cores 11 are mounted in the split core front-rear mechanism 50 in a state where they are arranged in a row horizontally.
- the winding of the second split core 11 from the left in the figure will be described as an example.
- the nozzle 60 for supplying a square wire is provided at the tip of a rotation mechanism (not shown).
- This rotating mechanism is mounted on a three-axis orthogonal robot, and enables not only windings but also crossovers to be formed.
- a direction approaching a rotation mechanism (not shown) is defined as the front, and a direction away from the rotation mechanism is defined as the rear.
- the opening and closing chuck 52 chucks the coil element 10c wound around the first divided core while holding the winding end line in a posture of approximately 90 °. Then, the openable chuck 52 is moved backward. Thereafter, the coil element 10c is moved backward by the split core front-rear mechanism 50.
- the posture of approximately 90 ° of the winding end line means that the trajectory of the center line of the cross section of the winding end line has a relationship of approximately 90 ° with respect to the center line of the crossover line ( (See FIGS. 3-5).
- the second split core 11 to be wound is advanced by the split core front / rear mechanism 50.
- the openable chuck 51 is also moved forward, and the square line is guided into the split core 11 while lowering the nozzle 60 as indicated by an arrow using this as a guide.
- the openable / closable chuck 51 is closed, and the angle of the winding start line is set to approximately 90 ° and fixed.
- the posture of approximately 90 ° of the square of the winding start line means that the locus of the center line of the section of the winding start line is in a relationship of approximately 90 ° with respect to the center line of the crossover line ( (See FIGS. 3-5).
- the open / close chucks 51 and 52 are installed on the split core front / rear mechanism 50 and have a chuck drive mechanism that enables the open / close operation and the open / close operation of the open / close chucks 51 and 52 alone.
- the openable / closable chuck 51 is moved backward to ensure the winding path of the nozzle 60. If the postures of the winding start line and the winding end line can always be maintained at approximately 90 ° in this way, the orientation of the square lines in the split core can be maintained, and the alignment of the square lines can be secured, and the space factor can be secured. Will also improve.
- the openable chuck 52 is advanced in an open state, the winding end line is entangled and chucked, and the winding of the second split core is completed. Thereafter, by repeating the operation described above four times, a four-phase wound coil for one phase can be produced.
- FIG. 9 is a cross-sectional view for explaining a method for connecting neutral points of three-phase four-continuous winding coils according to an embodiment of the present invention.
- the crossover wires 15W3, 15V3, and 15U3 of the three-phase coil have almost the same height and side surfaces of the square lines (see FIG. 6), but the postures of the respective square lines are not completely constant.
- a method for securing a sufficient contact area between the connection terminal and the connecting wire in the fusing connection will be described below.
- the crossover wires 15W3, 15V3, and 15U3 are inserted into the connection terminals 30.
- the pressing block 70 is inserted into the connection terminal 30 and the connecting wires 15W3, 15V3, and 15U3 are pressed against the connection terminal 30.
- the electrodes 71 and 72 are pressed from above and below the connection terminal 30 to energize.
- the connection terminal 30 generates heat, and the enamel on the surface of the square wire is dissolved.
- the enamel is pushed out of the connection terminal 30 and the conductor portions of the three rectangular wires and the connection surface (inner wall surface) of the connection terminal 30 are joined.
- the side surfaces of the conductor portions of the three square wires and the connection surface of the connection terminal 30 are in the same direction, and a sufficient contact area for energization of the motor can be ensured.
- the shape of the conducting wire forming the coil may be a shape in which square corners are slightly chamfered (substantially octagonal). Moreover, you may use the conducting wire of another shape whose cross section is not circular. A plurality of coil elements may be connected via connecting wires to form a wound coil for each phase.
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Abstract
Description
本発明の第2の態様は、第1の態様による回転電機の製造方法において、製造方法を用いて3組の連続巻コイルを形成し、3組の連続巻コイルのうち2組の連続巻コイルの渡り線を固定子コア内径側に異なる角度で傾け、3組の連続巻コイルを重ね合わせて環状に組み立て、3組の連続巻コイルの中性点接続部の渡り線の側面と接続端子の接続面を同じ向きにすることが好ましい。
本発明の第3の態様による回転電機は、第1の態様による回転電機の製造方法を用いて連続巻コイルを形成し、連続巻コイルを構成する角線の面をすべて揃えた。
本発明の第4の態様による回転電機は、第2の態様による回転電機の製造方法を用いて連続巻コイルを形成し、3組の連続巻コイルの中性点接続部の渡り線の側面と接続端子の接続面が同じ向きである。
本発明の第5の態様による、コイル線の断面が矩形状である集中巻コイルを、渡り線を介して連続巻した連続巻コイルを有する固定子を備える回転電機において、連続巻コイルを構成する角線の面をすべて揃えた。
本発明の第6の態様による、コイル線の断面が円状ではない集中巻コイルを、渡り線を介して巻かれた巻コイルを有する固定子を備える回転電機の製造方法において、コイル線の巻線前の分割コアを前後可動機構に搭載し、分割コアを前後可動機構によって前後運動させて巻線し、集中巻コイルの巻き始め線と巻き終わり線の姿勢を前後可動機構に設けられたチャックで保持してコイル線の面を所定の方向に揃え、前後可動機構を前後させるとともに、チャックを前後ならびに開閉させることで3組の巻コイルを形成し、3組の巻コイルのうち2組の巻コイルの渡り線を固定子コア内径側にそれぞれ異なる角度で傾け、3組の巻コイルを円状に組み立て、3組の巻コイルの中性点接続部の渡り線の側面と接続端子の接続面を同じ向きにする。
日本国特許出願2010年第129525号(2010年6月7日出願)
Claims (6)
- コイル線の断面が矩形状である集中巻コイルを、渡り線を介して連続巻した連続巻コイルを有する固定子を備える回転電機の製造方法であって、
前記コイル線の巻線前の分割コアを分割コア前後機構に搭載し、
前記分割コア前後機構によって前記分割コアを前後させて巻線の軌道を確保して前記コイル線の巻線を行い、
前記集中巻コイルの巻き始め線と巻き終わり線の姿勢をチャック前後機構を備えた開閉式のチャックで略90°に保持して前記コイル線の面をすべて揃え、
前記開閉式のチャックは前記分割コア前後機構に搭載され、
前記分割コア前後機構を前後させるとともに、前記開閉式のチャックを前後および開閉させることで前記連続巻コイルを形成する回転電機の製造方法。 - 請求項1に記載の回転電機の製造方法において、
前記製造方法を用いて3組の連続巻コイルを形成し、
前記3組の連続巻コイルのうち2組の連続巻コイルの渡り線を固定子コア内径側に異なる角度で傾け、3組の前記連続巻コイルを重ね合わせて環状に組み立て、3組の前記連続巻コイルの中性点接続部の渡り線の側面と接続端子の接続面を同じ向きにする回転電機の製造方法。 - 請求項1に記載の回転電機の製造方法を用いて前記連続巻コイルを形成し、前記連続巻コイルを構成する角線の面をすべて揃えた回転電機。
- 請求項2に記載の回転電機の製造方法を用いて前記連続巻コイルを形成し、3組の前記連続巻コイルの中性点接続部の渡り線の側面と接続端子の接続面が同じ向きである回転電機。
- コイル線の断面が矩形状である集中巻コイルを、渡り線を介して連続巻した連続巻コイルを有する固定子を備える回転電機において、
前記連続巻コイルを構成する角線の面をすべて揃えた回転電機。 - コイル線の断面が円状ではない集中巻コイルを、渡り線を介して巻かれた巻コイルを有する固定子を備える回転電機の製造方法において、
前記コイル線の巻線前の分割コアを前後可動機構に搭載し、
前記分割コアを前記前後可動機構によって前後運動させて巻線し、
前記集中巻コイルの巻き始め線と巻き終わり線の姿勢を前記前後可動機構に設けられたチャックで保持して前記コイル線の面を所定の方向に揃え、前記前後可動機構を前後させるとともに、前記チャックを前後ならびに開閉させることで3組の巻コイルを形成し、
前記3組の巻コイルのうち2組の巻コイルの渡り線を固定子コア内径側にそれぞれ異なる角度で傾け、3組の前記巻コイルを円状に組み立て、3組の前記巻コイルの中性点接続部の渡り線の側面と接続端子の接続面を同じ向きにする回転電機の製造方法。
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US13/702,260 US9369018B2 (en) | 2010-06-07 | 2011-06-06 | Method of manufacturing rotating electrical machine |
DE112011101966T DE112011101966T5 (de) | 2010-06-07 | 2011-06-06 | Rotierende elektrische Maschine und Verfahren zu deren Herstellung |
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JP2010129525A JP5481279B2 (ja) | 2010-06-07 | 2010-06-07 | 回転電機とその製造方法 |
JP2010-129525 | 2010-06-07 |
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FR2975546B1 (fr) * | 2011-05-16 | 2014-05-02 | Bernard Perriere | Turbine generatrice de courant electrique |
JP5889765B2 (ja) * | 2012-10-03 | 2016-03-22 | 株式会社日立製作所 | アキシャルギャップ型回転電機の製造方法 |
GB2533154B (en) * | 2014-12-12 | 2017-06-07 | Protean Electric Ltd | A coil winding arrangement |
JP5942236B1 (ja) * | 2015-07-06 | 2016-06-29 | 福井県 | コイルユニット配列装置 |
DE112016003631T5 (de) * | 2015-09-30 | 2018-04-26 | Aisin Aw Co., Ltd. | Verfahren zum Bilden einer Spule und eine Vorrichtung zum Bilden der Spule |
GB2563941A (en) * | 2017-06-30 | 2019-01-02 | Valeo Air Man Uk Limited | Electric supercharger |
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CN113711477B (zh) * | 2019-04-16 | 2024-01-26 | 株式会社虹之机器 | 定子线圈卷线装置 |
CN112510881B (zh) * | 2020-11-27 | 2022-03-04 | 瑞声新能源发展(常州)有限公司科教城分公司 | 电机电枢及其绕线方法和电机 |
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JP2010129525A (ja) | 2008-12-01 | 2010-06-10 | Yonezawa Densen Kk | ケーブルおよびその製造方法 |
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- 2011-06-06 US US13/702,260 patent/US9369018B2/en active Active
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- 2011-06-06 WO PCT/JP2011/062907 patent/WO2011155430A1/ja active Application Filing
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JP2010016970A (ja) * | 2008-07-03 | 2010-01-21 | Toyota Motor Corp | 集中巻線式ステータの製造方法、及び集中巻線式ステータ |
JP2010119183A (ja) * | 2008-11-12 | 2010-05-27 | Nittoku Eng Co Ltd | 連結コイル巻線方法および連結コイル巻線装置 |
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JP2011259537A (ja) | 2011-12-22 |
US20130140934A1 (en) | 2013-06-06 |
JP5481279B2 (ja) | 2014-04-23 |
US9369018B2 (en) | 2016-06-14 |
DE112011101966T5 (de) | 2013-03-28 |
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