WO2022085782A1 - Moteur - Google Patents

Moteur Download PDF

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Publication number
WO2022085782A1
WO2022085782A1 PCT/JP2021/039052 JP2021039052W WO2022085782A1 WO 2022085782 A1 WO2022085782 A1 WO 2022085782A1 JP 2021039052 W JP2021039052 W JP 2021039052W WO 2022085782 A1 WO2022085782 A1 WO 2022085782A1
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WO
WIPO (PCT)
Prior art keywords
motor
hole
rotor
sensor
cover
Prior art date
Application number
PCT/JP2021/039052
Other languages
English (en)
Japanese (ja)
Inventor
葉子 田村
泰浩 峰松
卓司 山田
Original Assignee
ミネベアミツミ株式会社
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 ミネベアミツミ株式会社 filed Critical ミネベアミツミ株式会社
Publication of WO2022085782A1 publication Critical patent/WO2022085782A1/fr

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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
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements

Definitions

  • the present invention relates to a motor.
  • a motor has been used as a drive source for various devices.
  • a sensor for detecting the rotational position of the rotor is generally used in the motor.
  • a motor in which such a sensor is used is described in, for example, Patent Document 1.
  • the present invention is an example of a problem to provide a motor capable of improving assembly accuracy.
  • the present invention employs the following means. That is, the motor according to one aspect of the present invention includes a rotor, a stator, a housing that houses the rotor and the stator and has an opening, and a cover that closes at least a part of the opening.
  • the cover has a cover main body, a sensor facing the rotor, a fixing member for fixing the sensor, and a connecting member for connecting the fixing member to the cover main body, and the cover main body has a hole.
  • the connecting member has passed through the hole.
  • the senor preferably has a position detection element that detects the magnetic flux of the rotor. At this time, it is preferable that the sensor further has a connector, and the position detection element and the connector are present on the same plane.
  • the connecting member is preferably a fastening member.
  • the connecting member preferably has a shaft portion and a flange portion. At this time, it is preferable that the minor diameter of the hole is larger than the outer diameter of the shaft portion.
  • the hole is preferably a long hole.
  • FIG. 1 is a vertical cross-sectional view of the motor 1 in the present embodiment.
  • FIG. 2 is a cross-sectional view of the motor 1 in the present embodiment.
  • FIG. 1 corresponds to a cross-sectional view taken along the line BB in FIG. 2
  • FIG. 2 corresponds to a cross-sectional view taken along the line AA in FIG.
  • the motor 1 is an inner rotor type motor and is a spoke type IPM motor.
  • the cross section of a plurality of magnets appears as a rectangle in the cross section of the rotor perpendicular to the rotation axis of the motor. Then, the magnets are arranged radially so that the longitudinal direction of the rectangle coincides with the radial direction of the rotor.
  • the surface of each magnet on the long side of the rectangle serves as a magnetic pole. Further, the magnetic pole surfaces of adjacent magnets facing each other in the circumferential direction of the rotor are of the same pole.
  • the motor 1 includes a shaft 2, a rotor 3, a stator 4, a housing 5 that houses the rotor 3 and the stator 4, and has an opening, and an opening of the housing 5. It has a cover 6 that closes at least a part thereof.
  • the housing 5 houses a part of the components of the motor 1 such as the rotor 3 and the stator 4.
  • the housing 5 has a tubular portion 51, a bottom portion 52, and a flange portion 53.
  • the tubular portion 51 has a cylindrical shape and has an end portion on one side (hereinafter referred to as “bottom side”) and an end portion on the other side (hereinafter referred to as “opening side”).
  • the flange portion 53 is connected to the opening-side end of the tubular portion 51.
  • the bottom portion 52 is connected to the bottom end of the tubular portion 51.
  • the bottom portion 52 has a bottom surface portion 52a and a protruding portion 52b.
  • the bottom surface portion 52a is an annular flat plate portion that covers the bottom end portion of the tubular portion 51.
  • the protruding portion 52b is a cylindrical portion connected to the central portion of the bottom surface portion 52a and projecting toward the opening side of the tubular portion 51.
  • a bearing 71 is fixed to the inside of the protrusion 52b by press fitting or the like.
  • the central portion of the bottom surface portion 52a may be provided with a circular hole portion having an inner diameter smaller than the inner diameter of the protruding portion 52b.
  • the shaft 2 has a substantially columnar shape and has two ends 2a and 2b.
  • the shaft 2 is rotatably supported with respect to the cover 6 by a bearing 72 described later in the vicinity of the end portion 2a. Further, the shaft 2 is rotatably supported with respect to the housing 5 by the bearing 71 in the vicinity of the end portion 2b. Therefore, the shaft 2 is rotatably fixed to the housing 5 via the bearing 71 and to the cover 6 via the bearing 72, respectively.
  • the end 2a of the shaft 2 protrudes from the cover 6.
  • the rotational force can be taken out from the end portion 2a of the shaft 2.
  • the shaft 2 is fixed to the rotor 3, and when the rotor 3 rotates due to the electromagnetic action between the stator 4 and the rotor 3, the shaft 2 rotates together with the rotor 3.
  • the stator 4 includes a stator core 41 and a coil 42.
  • the stator core 41 is a laminated body of a magnetic material such as a silicon steel plate.
  • the stator core 41 is provided from an annular portion 44 arranged coaxially with the shaft 2 and a teeth portion 43 which is a plurality of (for example, 12) magnetic pole portions formed so as to extend from the annular portion 44 toward the shaft 2 side.
  • the stator 4 is fixed to the housing 5 by fixing the outer periphery of the annular portion 44 to the inner peripheral surface of the tubular portion 51 of the housing 5.
  • the coil 42 is wound around each of the plurality of teeth portions 43.
  • the stator core 41 and the coil 42 are insulated by an insulator 45 formed of an insulator.
  • the rotor 3 has a rotor core 31 and a plurality of magnets 32.
  • the rotor core 31 is formed by laminating a plurality of magnetic materials.
  • the rotor core 31 has a substantially cylindrical shape as a whole.
  • the magnet 32 has a rectangular parallelepiped shape and is fixed inside the slit. The number of magnets 32 matches the number of slits.
  • the cross sections of the plurality of magnets 32 appear as rectangles.
  • the longitudinal direction of the cross section of the plurality of magnets 32 coincides with the radial direction of the rotor 3.
  • the surface of the plurality of magnets 32 on the long side of the cross section serves as a magnetic pole.
  • the opposing magnetic pole surfaces of the adjacent magnets 32 have the same poles.
  • the inner peripheral surface of the rotor core 31 is fixed to the shaft 2.
  • FIG. 3 shows an enlarged vertical cross-sectional view of a main part of the sensor 62 and its vicinity.
  • FIG. 4 is a perspective view of the cover 6 of the motor 1, which is shown with the internal side of the motor 1 facing upward.
  • FIG. 5 is an exploded perspective view of the cover 6 in the motor 1.
  • the cover 6 includes a cover main body 61, a sensor 62 facing the rotor 3, a fixing member 63 for fixing the sensor 62, and a connecting member for connecting the fixing member 63 to the cover main body 61. 64 and.
  • the cover body 61 has a flat plate portion 61a, a protruding portion 61b, and a flange portion 61c.
  • the flat plate portion 61a is an annular shape including a hole portion 61d through which the shaft 2 penetrates, and has a surface on one side (hereinafter referred to as “inside”) and a surface on the other side (hereinafter referred to as “outside”).
  • the inner surface is a surface that becomes the housing 5 side (internal side of the motor 1) when the cover main body 61 is fixed to the housing 5.
  • the protruding portion 61b is a cylindrical portion connected to the inner surface of the flat plate portion 61a and projecting toward the inside of the motor 1.
  • a bearing 72 is fixed to the inside of the protrusion 61b by press fitting or the like.
  • the flange portion 61c is provided on the outer periphery of the flat plate portion 61a.
  • the hole portion 61d is a circular hole provided in the flat plate portion 61a.
  • the diameter of the hole 61d is smaller than the inner diameter of the protrusion 61b.
  • the axes of the flat plate portion 61a, the protruding portion 61b, and the hole portion 61d coincide with the rotation axis of the motor 1 (the axis of the shaft 2).
  • the shaft 2 is rotatably supported by a bearing 72 with respect to the cover 6 in the vicinity of the end portion 2a.
  • the end portion 2a of the shaft 2 is inserted into the hole portion 61d and protrudes from the cover 6.
  • the cover body 61 has two holes 66 penetrating the flat plate portion 61a.
  • the hole 66 exists in the vicinity of the portion of the flat plate portion 61a to which the protruding portion 61b is connected and on the outer peripheral side.
  • the hole 66 is an arcuate elongated hole that shares an axis with the hole portion 61d.
  • the fixing member 63 is made of resin.
  • the fixing member 63 has an arcuate flat plate portion 63a, two projecting portions 63b, and two connecting portions 63c.
  • the thickness of the flat plate portion 63a is thinner than the thickness of the protruding portion 61b of the cover main body 61 (lower than the protruding height).
  • the protruding portion 63b is a portion where the thickness of the flat plate portion 63a is increased, and is provided at both ends of the arc of the flat plate portion 63a.
  • the connecting portion 63c is a portion protruding from the flat plate portion 63a in the same direction as the protruding portion 63b.
  • the two connecting portions 63c are provided between the two protruding portions 63b in the flat plate portion 63a.
  • the fixing member 63 is connected to the cover main body 61 by the connecting member 64.
  • the fixing member 63 is arranged along the outer periphery of the protruding portion 61b of the cover main body 61.
  • the connecting member 64 is a fastening member having a shaft portion 64a and a flange portion 64b, and is, for example, a tapping screw.
  • the connecting member 64 is inserted from the outside of the flat plate portion 61a of the cover main body 61 into the hole 66 of the cover main body 61 via a lock washer 65 as necessary, and then fixed to the protruding portion 63b of the fixing member 63. There is.
  • the sensor 62 has a substrate 62a, a position detection element 62b, and a connector 62c.
  • the substrate 62a is a flat plate-shaped insulating member having an arc shape corresponding to the flat plate portion 63a of the fixing member 63.
  • a printed wiring circuit (not shown) is formed on the substrate 62a.
  • the substrate 62a has two holes (not shown). The two connecting portions 63c of the fixing member 63 are inserted into the two holes of the substrate 62a, respectively, and are fixed to the substrate 62a by heat resin caulking or the like.
  • the position detection element 62b is a Hall element, a Hall IC, or the like, and detects the rotation position of the rotor 3 based on the fluctuation of the magnetic flux accompanying the rotation of the rotor 3.
  • the position detecting element 62b is provided on the flat surface of the substrate 62a on the rotor 3 side, and is surface-mounted on the printed wiring circuit. As shown in FIGS. 4 and 5, a plurality of position detection elements 62b may be provided.
  • the connector 62c is electrically connected to the printed wiring circuit.
  • the connector 62c is provided with an insertion port 62ca for connection that opens in a direction parallel to or substantially parallel to the plane of the substrate 62a, and is referred to as a connector on the wiring side shown in FIG. 3 (hereinafter referred to as “wiring side connector”). ) 67 can be connected.
  • the position detection element 62b is electrically connected to an external control device (not shown) via the printed wiring circuit, the connector 62c, the wiring side connector 67, and the lead wire 68.
  • the position detection element 62b and the connector 62c exist on the same plane.
  • "exists on the same plane” means that the position detection element 62b and the connector 62c are connected to the plane on the same side of the substrate 62a directly or via a member. It is shown that the position detection element 62b and the connector 62c are present on the same plane of the substrate 62a.
  • a magnetic field is generated when a current is applied to the coil 42 of the stator 4.
  • the rotor 3 rotates because the magnet 32 of the rotor 3 is attracted to the movement of the magnetic field.
  • the rotational position of the rotor 3 is detected by the position detecting element 62b, and is transmitted to an external control device via the connector 62c, the wiring side connector 67, and the lead wire 68.
  • the fixing member 63 to which the sensor 62 is fixed is fixed to the cover main body by the connecting member 64.
  • the connecting member 64 fixes the fixing member 63 from the outside of the flat plate portion 61a of the cover main body 61 via the hole 66. Therefore, after assembling the other parts of the motor 1, the position of the sensor 62 can be determined with reference to the position of the teeth portion 43 of the stator 4, and the fixing member 63 can be finally fixed. Since the motor 1 can finally position the sensor 62 without considering the tolerance for each assembly work, the assembly accuracy can be improved and the assembly is easy.
  • the motor 1 according to the present embodiment can repeatedly position the sensor 62 because the connecting member 64 is a fastening member. Further, since the hole 66 of the cover main body 61 is a long hole having an arc shape, the degree of freedom of the insertion position of the connecting member 64 is increased, so that the fixing position of the fixing member 63 can be flexibly adjusted. Further, in the motor 1 according to the present embodiment, the cover main body 61 is not provided with the mounting portion of the sensor 62, and an independent fixing member 63 is interposed. Since the fixing member 63 is made of resin, the weight of the motor 1 can be reduced.
  • the position detection element 62b and the connector 62c are present on the same plane. Therefore, it is not necessary to provide a space for accommodating the connector 62c between the substrate 62a and the flat plate portion 61a of the cover main body 61, and as shown in FIG. 3, the sensor 62 is attached to the flat plate portion 61a of the cover main body 61. Can be installed close together. As a result, the motor 1 can be miniaturized. Further, as shown in FIG. 3, since sufficient space for wiring the lead wire 68 extending from the wiring side connector 67 can be secured, wiring is simplified.
  • FIG. 6 shows an enlarged vertical cross-sectional view of a main part extracted from the sensor 162 and its vicinity.
  • FIG. 7 is a perspective view of the cover 106 of the motor 101, and is shown with the internal side of the motor 101 facing upward.
  • FIG. 8 is an exploded perspective view of the cover 106 in the motor 101.
  • the same components as those in the first embodiment are designated by the same reference numerals as those in the first embodiment, and detailed description thereof will be omitted.
  • the configuration of the cover 106 of the motor 101 according to the second embodiment is different from the configuration of the cover 6 of the motor 1 according to the first embodiment, but other configurations are the same as those of the first embodiment.
  • the cover 106 includes a cover main body 161 and a sensor 162 facing the rotor 3, a fixing member 163 for fixing the sensor 162, and a connecting member for connecting the fixing member 163 to the cover main body 161.
  • the cover body 161 has a flat plate portion 161a, a protruding portion 61b, and a flange portion 61c.
  • the flat plate portion 161a is an annular shape including a hole portion 61d through which the shaft 2 penetrates, and has a surface on one side (hereinafter referred to as “inside”) and a surface on the other side (hereinafter referred to as “outside”).
  • the inner surface is a surface that becomes the housing 5 side (internal side of the motor 101) when the cover main body 161 is fixed to the housing 5.
  • the cover body 161 has two holes 166 that penetrate the flat plate portion 161a.
  • the hole 166 exists in the vicinity of the portion of the flat plate portion 161a to which the protruding portion 61b is connected and on the outer peripheral side.
  • the hole 166 is a circular hole.
  • a connecting member 64 is inserted into the hole 166 when the fixing member 163 is connected to the cover main body 161 so that the connecting member 64 has passed through the hole 166.
  • the term "passing" as used herein means that a part of the connecting member 64 exists inside the hole 166 as a result of the connecting member 64 being inserted into the hole 166.
  • the diameter of the hole 166 is larger than the outer diameter of the shaft portion 64a of the connecting member 64, and is preferably 1.1 times or more larger.
  • the fixing member 163 is made of resin.
  • the fixing member 163 has a plate portion 163a curved in an arc shape and two projecting portions 163b.
  • the protruding portion 163b is a portion where the thickness of the plate portion 163a increases toward the radial outer side of the arc, and is provided at both ends of the arc of the plate portion 163a.
  • the fixing member 163 is connected to the cover main body 161 by the connecting member 64.
  • the fixing member 163 is arranged along the outer periphery of the protruding portion 61b of the cover main body 161.
  • the connecting member 64 is inserted from the outside of the flat plate portion 161a of the cover main body 161 through the hole 166 of the cover main body 161 via a lock washer 65, if necessary, and then fixed to the protruding portion 163b of the fixing member 163. There is.
  • the sensor 162 has a substrate 162a, a position detection element 162b, and a connector 162c.
  • the substrate 162a is a flat plate-shaped insulating member having an arc shape.
  • the curvature of the inner peripheral surface of the arcuate substrate 162a is substantially equal to the curvature of the inner peripheral surface of the plate portion 163a of the fixing member 163.
  • a printed wiring circuit (not shown) is formed on the substrate 162a.
  • the substrate 162a has two elongated holes 162aa.
  • the substrate 162a is fixed to the protrusion 163b of the fixing member 163 by the fastening member 162ab via the elongated hole 162aa.
  • the position detection element 162b is a Hall element, a Hall IC, or the like, and detects the rotation position of the rotor 3 based on the fluctuation of the magnetic flux accompanying the rotation of the rotor 3.
  • the position detection element 162b is provided on the flat surface of the substrate 162a on the rotor 3 side, and is surface-mounted on the printed wiring circuit. As shown in FIGS. 7 and 8, a plurality of position detection elements 162b may be provided.
  • the connector 162c is electrically connected to the printed wiring circuit.
  • the connector 162c exists on a plane of the substrate 162a on a side different from that of the position detecting element 162b.
  • the connector 162c exists in the space between the substrate 162a and the flat plate portion 161a of the cover main body 161.
  • the connector 162c is provided with an insertion port (not shown) for connection that opens in the direction of the flat plate portion 161a of the cover main body 161 so that the connector 162c can be connected to the wiring side connector 67 shown in FIG.
  • the position detection element 162b is electrically connected to an external control device (not shown) via the printed wiring circuit, the connector 162c, the wiring side connector 67, and the lead wire 68.
  • the fixing member 163 to which the sensor 162 is fixed is fixed to the cover main body 161 by the connecting member 64.
  • the connecting member 64 fixes the fixing member 163 from the outside of the flat plate portion 161a of the cover main body 161 via the hole 166. Therefore, after assembling the other parts of the motor 101, the position of the sensor 162 can be determined with reference to the position of the teeth portion 43 of the stator 4, and the fixing member 163 can be finally fixed. Since the motor 101 can finally position the sensor 162 without considering the tolerance for each assembly work, the assembly accuracy can be improved and the assembly is easy.
  • the motor 101 according to the present embodiment can repeatedly position the sensor 162 because the connecting member 64 is a fastening member. Further, since the diameter of the hole 166 of the cover main body 161 is larger than the outer diameter of the shaft portion 64a of the connecting member 64, the degree of freedom in the insertion position of the connecting member 64 is increased, so that the fixing position of the fixing member 163 is adjusted. be able to. Further, in the motor 101 according to the present embodiment, the cover main body 161 is not provided with the mounting portion of the sensor 162, and an independent fixing member 163 is interposed. Since the fixing member 163 is made of resin, the weight of the motor 101 can be reduced.
  • the sensor 162 is fixed to the protruding portion 163b of the fixing member 163 by the fastening member 162ab via the elongated hole 162aa of the substrate 162a.
  • the degree of freedom of the fixed position of the sensor 162 with respect to the fixing member 163 is increased, so that the position of the sensor 162 can be flexibly adjusted.
  • the hole 66 of the cover main body 61 is an elongated hole having an arc shape, but it may be a circular hole similar to that of the second embodiment.
  • the diameter of the hole 66 is larger than the outer diameter of the shaft portion 64a of the connecting member 64, and is preferably 1.1 times or more larger.
  • the hole 166 of the cover main body 61 is a circular hole, but it may be an elongated hole having an arc shape similar to that of the first embodiment.
  • the holes 66 and 166 of the cover bodies 61 and 161 are elongated holes or circular holes forming an arc shape, but holes of other shapes may be used.
  • the minor diameters of the holes 66 and 166 are preferably larger than the outer diameter of the shaft portion 64a of the connecting member 64, and more preferably 1.1 times or more larger.
  • the fixing members 63 and 163 are made of resin, but may be made of a material other than resin, for example, metal. By forming it from a metal member, the strength can be improved.
  • the connecting portion 63c of the fixing member 63 is inserted into the hole of the substrate 62a and fixed to the substrate 62a by heat resin caulking or the like, but the fixing member 63 has the connecting portion 63c. Instead, the substrate 62a may be fixed to the fixing member 63 by the fastening member.
  • the substrate 162a is fixed to the protruding portion 163b of the fixing member 163 by the fastening member 162ab via the elongated hole 162aa, but the elongated hole 162aa may be simply a circular hole.
  • the fixing member 163 may be provided with the same connection portion as in the first embodiment, inserted into the hole of the substrate 162a, and fixed by heat resin caulking or the like.
  • the substrates 62a and 162a may not be provided with holes, and the substrates 62a and 162a may be fixed to the fixing members 63 and 163 with an adhesive or the like.
  • the connecting member 64 is a fastening member having a shaft portion 64a and a flange portion 64b, but the connecting member 64 is used as a protruding portion provided on the fixing members 63 and 163. May be good.
  • the protruding portion protrudes toward the flat plate portions 61a and 161a of the cover main bodies 61 and 161 of the fixing members 63 and 163, and is inserted into the holes 66 and 166 of the cover main bodies 61 and 161.
  • the fixing members 63 and 163 are fixed to the cover main bodies 61 and 161 by resin caulking by heat.
  • the positioning of the sensors 62 and 162 cannot be repeated, the positioning of the sensors 62 and 162 can be performed after assembling the other parts of the motors 1 and 101, so that the motors 1 and 101 are still assembled. The accuracy can be improved and the assembly is easy.
  • the motors 1 and 101 are spoke type IPM motors, but may be motors having other structures. Further, the motors 1 and 101 may be motors having other structures such as SPM motors and brushless motors as long as they have a sensor facing the rotor.
  • the motors 1 and 101 are inner rotor type motors, but may be outer rotor type motors.
  • the position of the hole in the cover body and the connection position of the fixing member may be set so that the sensor can detect the magnetic flux of the rotor.
  • the sensors 62 and 162 are sensors having the position detection elements 62b and 162b, but may be sensors other than the sensors having the position detection elements.
  • Examples of the sensor other than the sensor having the position detection element include a temperature sensor, a speed sensor, an acceleration sensor, a vibration sensor, a torque sensor and the like.
  • the hole 166 is a circular hole having a diameter larger than the outer diameter of the shaft portion 64a of the connecting member 64, but is substantially equivalent to the outer diameter of the shaft portion 64a of the connecting member 64. It may be a circular hole having a diameter of. Even if the hole has a circular hole having a diameter substantially equal to the outer diameter of the shaft portion 64a, the sensor that requires accuracy can be attached after assembling the other parts of the motor 101, so that the assembly accuracy can be improved. It can be improved and is easy to assemble.
  • Connector 63 ... Fixing member, 63a ... Flat plate part, 63b ... Protruding part, 63c ... Connection part, 64 ... Connection member, 64a ... Shaft, 64b ... Flange, 65 ... Lock washer, 66 ... Hole, 67 ... Wiring side connector, 68 ... Lead wire, 71, 72 ... Bearing, 101 ... Motor, 106 ... Cover, 161 ... Cover Main body, 161a ... Flat plate, 162 ... Sensor, 162a ... Substrate, 162aa ... Long hole, 162ab ... Fastening member, 162b ... Position detection element, 162c ... Connector, 163 ... Fixed member, 163a ... Plate, 163b ... Projection, 166 ... hole

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)

Abstract

La présente invention concerne un moteur facile à assembler.　Ce moteur comprend : un rotor (3) ; un stator (4) ; un boîtier (5) recevant en son sein le rotor (3) et le stator (4) et ayant une partie d'ouverture ; et un couvercle (6) pour bloquer au moins une partie de la partie d'ouverture. Le couvercle (6) comprend : un corps principal de couvercle (61) ; un capteur (62) opposé au rotor (3) ; un élément de fixation (63) pour fixer le capteur (62) ; et un élément de couplage (64) pour coupler l'élément de fixation (63) au corps principal de couvercle (61). Le corps principal de couvercle (61) a un trou (66), et l'élément de couplage (64) est passé à travers le trou (66).
PCT/JP2021/039052 2020-10-23 2021-10-22 Moteur WO2022085782A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-178117 2020-10-23
JP2020178117A JP2022069124A (ja) 2020-10-23 2020-10-23 モータ

Publications (1)

Publication Number Publication Date
WO2022085782A1 true WO2022085782A1 (fr) 2022-04-28

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PCT/JP2021/039052 WO2022085782A1 (fr) 2020-10-23 2021-10-22 Moteur

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JP (1) JP2022069124A (fr)
TW (1) TW202218291A (fr)
WO (1) WO2022085782A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003235201A (ja) * 2001-12-03 2003-08-22 Mitsuba Corp 電動モータ
JP2013153544A (ja) * 2010-08-20 2013-08-08 Nippon Densan Corp モータ
JP2014128096A (ja) * 2012-12-26 2014-07-07 Keihin Corp 電動機
WO2015185262A1 (fr) * 2014-06-05 2015-12-10 Robert Bosch Gmbh Capteur magnétique pour un arbre de rotor d'une machine électrique, et machine électrique
JP2016036246A (ja) * 2014-07-31 2016-03-17 株式会社デンソー 駆動装置、および、これを用いた電動パワーステアリング装置
WO2018216200A1 (fr) * 2017-05-26 2018-11-29 三菱電機株式会社 Machine électrique tournante

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003235201A (ja) * 2001-12-03 2003-08-22 Mitsuba Corp 電動モータ
JP2013153544A (ja) * 2010-08-20 2013-08-08 Nippon Densan Corp モータ
JP2014128096A (ja) * 2012-12-26 2014-07-07 Keihin Corp 電動機
WO2015185262A1 (fr) * 2014-06-05 2015-12-10 Robert Bosch Gmbh Capteur magnétique pour un arbre de rotor d'une machine électrique, et machine électrique
JP2016036246A (ja) * 2014-07-31 2016-03-17 株式会社デンソー 駆動装置、および、これを用いた電動パワーステアリング装置
WO2018216200A1 (fr) * 2017-05-26 2018-11-29 三菱電機株式会社 Machine électrique tournante

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JP2022069124A (ja) 2022-05-11

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