WO2020016948A1 - Moteur sans noyau - Google Patents

Moteur sans noyau Download PDF

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Publication number
WO2020016948A1
WO2020016948A1 PCT/JP2018/026842 JP2018026842W WO2020016948A1 WO 2020016948 A1 WO2020016948 A1 WO 2020016948A1 JP 2018026842 W JP2018026842 W JP 2018026842W WO 2020016948 A1 WO2020016948 A1 WO 2020016948A1
Authority
WO
WIPO (PCT)
Prior art keywords
cylindrical
housing
fixed shaft
rotor
peripheral surface
Prior art date
Application number
PCT/JP2018/026842
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English (en)
Japanese (ja)
Inventor
白木学
Original Assignee
株式会社シンクテック
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 株式会社シンクテック filed Critical 株式会社シンクテック
Priority to JP2019500894A priority Critical patent/JP6762488B2/ja
Priority to PCT/JP2018/026842 priority patent/WO2020016948A1/fr
Publication of WO2020016948A1 publication Critical patent/WO2020016948A1/fr

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Classifications

    • 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
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears

Definitions

  • the present invention relates to a coreless motor.
  • the present invention relates to a coreless motor in which a rotating shaft that extends in the axial direction at the center is fixed, and a cylindrical portion that is arranged concentrically outside the radial direction with respect to the rotating shaft is an output rotating body.
  • Patent Document 1 A coreless motor in which a rotating shaft extending in the axial direction at the center is fixed, and a cylindrical portion arranged concentrically on the outside in the radial direction with respect to the rotating shaft as an output rotating body has been conventionally proposed (for example, Patent Document 1).
  • a central axis extending in the axial direction as a rotation center of a cylindrical housing extending in a cylindrical shape terminates in the housing.
  • a unit such as a speed reducer coupled to the end of the central shaft is provided in the housing. The rotational motion of the rotor about the central axis is transmitted to the cylindrical housing via a built-in speed reducer.
  • a known cylindrical coreless motor as disclosed in Patent Document 1 includes a cylindrical coil and a rotor.
  • the cylindrical coil extends in the axial direction in which the central axis that is the center of rotation extends, and is arranged concentrically with the central axis.
  • the rotor includes a cylindrical inner yoke and an outer yoke that sandwich a cylindrical coil therebetween and form a magnetic circuit therebetween, and are arranged concentrically with respect to the central axis.
  • the cylindrical coil is fixedly supported on the central axis.
  • a magnet is provided on the outer peripheral surface of the inner yoke or the inner peripheral surface of the outer yoke.
  • the coreless motor 1 shown in FIGS. 1 and 2 converts the rotational movement of the rotor 3 about the fixed shaft 2 into the rotational movement of a cylindrical housing 5 having a housing cylindrical portion 4 located outside the rotor 3 in the radial direction. It is of the form to be taken out.
  • the fixed shaft 2 extends in the axial direction at the center of the coreless motor 1 and penetrates the coreless motor 1.
  • the cylindrical coil 6 extends in the direction in which the fixed shaft 2 extends, is arranged concentrically with respect to the fixed shaft 2, and one end face (the left side in FIG. 1) is supported by the stator and is fixed to the fixed shaft 2. Fixedly supported.
  • the cylindrical coil 6 is an ironless core coil that can be energized.
  • a cylindrical structure is formed by a laminate structure of a plurality of linear portions that are spaced apart from each other in a longitudinal direction, which is a direction in which the fixed shaft 2 extends, and a conductive metal sheet that is formed by being superposed via an insulating layer. It is formed in a shape.
  • the thickness in the radial direction is, for example, 5 mm or less, and has a predetermined rigidity.
  • Such a cylindrical coil is manufactured by, for example, a manufacturing method described in Japanese Patent No. 3704044.
  • the rotor 3 is arranged concentrically with the fixed shaft 2 and rotatable with respect to the fixed shaft 2.
  • the rotor 3 includes a cylindrical inner yoke and an outer yoke that sandwich the cylindrical coil 6 therebetween and form a magnetic circuit therebetween.
  • the magnet 7 is provided on the outer peripheral surface side of the inner yoke so as to face the inner peripheral surface of the cylindrical coil 6.
  • a predetermined distance is set between the outer peripheral surface of the magnet 7 fixed to the outer peripheral surface side of the inner yoke and the inner peripheral surface of the cylindrical coil 6, and between the outer peripheral surface of the cylindrical coil 6 and the inner peripheral surface of the outer yoke. Gap is maintained.
  • a magnetic field having a donut shape in cross section is formed between the outer yoke constituting the rotor 3 and the inner yoke, thereby forming a magnetic circuit.
  • the cylindrical housing 5 includes a housing cylindrical portion 4 disposed concentrically with respect to the fixed shaft 2 outside the cylindrical coil 6 in the radial direction, and a housing cylindrical portion 4 from both ends in the axial direction.
  • the housing includes a housing side wall extending in the direction of the rotation shaft 2. A radially inner portion of the housing side wall portion is rotatably supported on the fixed shaft 2 via a bearing, whereby the cylindrical housing 5 is rotatable about the fixed shaft 2.
  • the cylindrical housing 5 has a built-in rotary motion transmission mechanism for transmitting the rotary motion of the rotor 3 about the fixed shaft 2 to the rotary motion of the cylindrical housing 5 about the fixed shaft 2.
  • the embodiment shown in FIGS. 1 and 2 has a built-in rotary motion transmission mechanism having the following structure.
  • An internal gear 8 is provided on the inner peripheral surface of the housing cylindrical portion 4 at the end in the axial direction of the fixed shaft 2. Further, a gear mechanism is provided inside the cylindrical housing 5. This gear mechanism transmits a rotational motion of the rotor 3 about the fixed shaft 2 to the internal gear 8 of the housing cylindrical portion 4, and rotates the cylindrical housing 5 about the fixed shaft 2. Become.
  • This gear mechanism is composed of a plurality of gear members including a sun gear 9 rotatably mounted on the fixed shaft 2 and rotated by the rotation of the rotor 3.
  • a planetary speed reduction unit 11 and a final speed reduction unit 12 are provided to reduce the speed in two stages.
  • the housing cylindrical portion 4 of the cylindrical housing 5 rotates and is output from the housing cylindrical portion 4.
  • the housing cylindrical portion 4 of the cylindrical housing 5 can be rotated in the same direction as the rotation direction of the rotor 3, or in the opposite direction.
  • the magnet 7 is provided on the outer peripheral surface side of the inner yoke so as to face the inner peripheral surface of the cylindrical coil 6.
  • a magnet 7 is provided on the inner peripheral surface of the outer yoke so as to face the outer peripheral surface of the cylindrical coil 6, and an outer yoke and an inner yoke constituting the rotor 3 are provided. A donut-shaped magnetic field is formed between them, and a magnetic circuit can be formed.
  • the present invention provides a coreless motor in which a rotating shaft extending in the axial direction at the center is fixed, and a cylindrical portion arranged concentrically on the outside in the radial direction with respect to the rotating shaft is an output rotating body.
  • the purpose is to enable the miniaturization.
  • a fixed shaft extending in the axial direction at the center of the coreless motor and penetrating the coreless motor;
  • a cylindrical coil arranged concentrically with respect to the fixed shaft, one end face of which is supported by a stator fixed to the fixed shaft, and extending in a direction in which the fixed shaft extends,
  • a rotor that is rotatably disposed with respect to the fixed shaft, and includes a magnet whose outer peripheral surface is opposed to the inner peripheral surface of the cylindrical coil on a radially outer side, Outside the cylindrical coil in the radial direction, comprising a housing cylindrical portion arranged concentrically with respect to the fixed axis, wherein the housing cylindrical portion rotates about the fixed axis; and
  • a rotary motion transmission mechanism that is built in the cylindrical housing and transmits the rotary motion of the rotor about the fixed axis to the rotary motion of the cylindrical housing about the fixed axis.
  • a coreless motor wherein an inner peripheral surface of the housing cylindrical portion facing an outer peripheral surface of the cylindrical coil is formed
  • FIG. 2 is an exploded perspective view of the conventional coreless motor shown in FIG. 1.
  • FIG. 1 is a cross-sectional view illustrating a schematic structure of an example of a coreless motor according to the present invention.
  • FIG. 4 is an exploded perspective view of the coreless motor shown in FIG. 3.
  • the coreless motor 14 shown in FIGS. 3 and 4 converts the rotational movement of the rotor 3 about the fixed shaft 2 into the rotational movement of the cylindrical housing 5 having the housing cylindrical portion 4 located outside the rotor 3 in the radial direction. It is of the form to be taken out.
  • the fixed shaft 2 extends in the axial direction at the center of the coreless motor 14 and penetrates the coreless motor 14.
  • the cylindrical coil 6 extends in the direction in which the fixed shaft 2 extends, is arranged concentrically with respect to the fixed shaft 2, and one end face (the left side in FIG. 3) is supported by the stator and is fixed to the fixed shaft 2. Fixedly supported.
  • the rotor 3 does not include a member corresponding to the outer yoke in the conventional example shown in FIGS. 1 and 2, and a magnet 7 is provided on the outer peripheral surface of a member corresponding to the inner yoke in the conventional example shown in FIGS. It is in the form that is.
  • the rotor 3 is rotatably arranged with respect to the fixed shaft 2, and has a structure in which a magnet 7 whose outer peripheral surface is opposed to the inner peripheral surface of the cylindrical coil 6 is provided on the outer side in the radial direction. .
  • the cylindrical housing 5 is rotatably provided on the outer side of the cylindrical coil 6 in the radial direction, from the housing cylindrical portion 4 arranged concentrically with the fixed shaft 2, and from both ends in the axial direction of the housing cylindrical portion 4.
  • the housing has a housing side wall extending in the direction of the axis 2. A radially inner portion of the housing side wall portion is rotatably supported on the fixed shaft 2 via a bearing, whereby the cylindrical housing 5 is rotatable about the fixed shaft 2.
  • the inner peripheral surface of the housing cylindrical portion 4 facing the outer peripheral surface of the cylindrical coil 6 is formed of a magnetic material.
  • the inner peripheral surface formed of a magnetic material of the housing cylindrical portion 4 facing the outer peripheral surface of the cylindrical coil 6 is a silicon steel plate portion 13 formed of a silicon steel plate.
  • the silicon steel plate portion 13 is formed by stacking thin silicon steel plates having good magnetic properties and having an insulating layer on the surface in the extension direction of the fixed shaft 2 in FIG.
  • the inner peripheral surface of the housing cylindrical portion 4 facing the outer peripheral surface of the cylindrical coil 6 is formed in the silicon steel plate portion 13, for example, as shown in FIG.
  • FIGS. 3 and 4 a member corresponding to the inner yoke in the conventional example shown in FIGS. 1 and 2 in which the magnet 7 is provided on the outer peripheral surface and the inner peripheral surface of the housing cylindrical portion 4 are shown. Cylindrical coil 6 is sandwiched between silicon steel plate portion 13.
  • a magnetic circuit is formed between a cylindrical inner yoke and an outer yoke that constitute the rotor 3 and sandwich the cylindrical coil 6 therebetween.
  • FIGS. 3 and 4 a member corresponding to the inner yoke in the conventional example illustrated in FIGS. 1 and 2, in which the magnet 7 is disposed on the outer peripheral surface, sandwiching the cylindrical coil 6 therebetween, A magnetic field having a donut shape in cross section is formed between the housing cylindrical portion 4 and the silicon steel plate portion 13 formed on the inner peripheral surface of the housing cylindrical portion 4, thereby forming a magnetic circuit.
  • the other cylindrical member that forms a magnetic field having a doughnut-shaped cross section with the one cylindrical member on which the magnet is provided is the silicon steel plate portion 13, the occurrence of troubles due to interference is suppressed. be able to.
  • the cylindrical housing 5 has a built-in rotary motion transmission mechanism for transmitting the rotary motion of the rotor 3 about the fixed shaft 2 to the rotary motion of the cylindrical housing 5 about the fixed shaft 2.
  • FIGS. 3 and 4 incorporates a rotary motion transmitting mechanism having the following structure.
  • An internal gear 8 is provided on the inner peripheral surface of the end portion of the cylindrical portion 4 in the axial direction of the fixed shaft 2, and a gear mechanism is provided inside the cylindrical housing 5.
  • This gear mechanism transmits a rotational motion of the rotor 3 about the fixed shaft 2 to the internal gear 8 of the housing cylindrical portion 4, and rotates the cylindrical housing 5 about the fixed shaft 2. Make up.
  • This gear mechanism is composed of a plurality of gear members including a sun gear 9 rotatably mounted on the fixed shaft 2 and rotated by the rotation of the rotor 3.
  • a structure is provided in which the planetary speed reduction unit 11 and the final speed reduction unit 12 are provided, and the speed is reduced in two stages.
  • a predetermined current is supplied to the cylindrical coil 6 while a magnetic field having a donut shape in cross section is formed between the magnetic field and the silicon steel plate portion 13.
  • the magnet 7 is driven against the magnetomotive force generated thereby, and the rotor 3 rotates.
  • the rotational force of the rotor 3 is transmitted to a sun gear 9 provided coaxially at the center of the rotor 3, and is reduced through a planetary gear mechanism constituting a gear mechanism.
  • the output of the planetary gear is finally reduced via a gear. And transmitted to the internal gear 8 of the housing cylindrical portion 4.
  • the housing cylindrical portion 4 of the cylindrical housing 5 rotates and is output from the housing cylindrical portion 4.
  • the housing cylindrical portion 4 of the cylindrical housing 5 can be rotated in the same direction as the rotation direction of the rotor 3, or in the opposite direction.
  • the rotor 3 does not include a member corresponding to the outer yoke in the conventional example shown in FIGS.
  • a magnet 7 is provided on the outer peripheral surface of the corresponding member.
  • a member located on the radially outer side of the coil 6 is a silicon steel plate portion 13 formed on the inner peripheral surface of the housing cylindrical portion 4.
  • the rotational inertia of the rotor 3 can be reduced as compared with the conventional example shown in FIGS. That is, the start / stop performance of the coreless motor 14 due to small rotational inertia can be improved.
  • the size of the rotor 3 that rotates at the highest speed can be reduced in size as compared with the conventional example shown in FIGS. 1 and 2, and troubles due to interference can be reduced and downsized. Become.
  • the outer diameter (the size in the vertical direction in FIG. 3) of the coreless motor 14 of the embodiment shown in FIGS. 3 and 4 is the outer diameter (in FIG. 1) of the coreless motor 1 of the conventional example shown in FIGS. , 90% of the vertical size).
  • the axial width (the size in the horizontal direction in FIG. 3) of the coreless motor 14 of the embodiment shown in FIGS. 3 and 4 is the axial width of the conventional coreless motor 1 shown in FIGS.
  • the housing cylindrical portion 4 of the cylindrical housing 5 moves with the rotation of the rotor 3. The rotation is performed, but as described above, the rotation of the rotor 3 is transmitted to the housing cylindrical portion 4 via the rotational motion transmitting mechanism. As described above, when the rotational motion transmitting mechanism is a reduction mechanism, The rotation speed of the housing cylindrical portion 4 is lower than the rotation speed of the rotor 3.
  • the rotation speed of the housing cylindrical portion 4 is 1/16 of the rotation speed of the rotor 3. ⁇ 1/18.
  • the silicon steel plate portion 13 formed on the inner peripheral surface of the housing cylindrical portion 4 forming the magnetic circuit rotates at a rotation speed of 1/16 to 1/18 of the rotation speed of the rotor 3. become.
  • the magnet 7 is fixed to the outer yoke, and a magnetic circuit is formed between the inner yoke and the outer yoke forming the rotor 3, so that the magnetic circuit is formed.
  • the outer yoke radially outside the cylindrical coil 6 and the inner yoke radially inside the cylindrical coil 6 rotate at the same speed.
  • a magnetic circuit is formed between the magnet and the member corresponding to the inner yoke in the conventional example shown in FIGS.
  • the inner yoke in the conventional example shown in FIGS. 1 and 3 in which the magnet 7 is provided on the outer peripheral surface, which is located on one side forming the magnetic circuit, in the radial direction inside the cylindrical coil 6, is provided.
  • the inner periphery of the housing cylindrical portion 4 which is located on the other side forming the magnetic circuit and located radially outside the cylindrical coil 6.
  • the silicon steel plate portion 13 formed on the surface rotates.
  • the outer yoke radially outside the cylindrical coil 6 forming the magnetic circuit and the inner yoke radially inside the cylindrical coil 6 are the same. As compared with the case of rotating at a speed, the rotation performance is affected.
  • the rotor 3 having the magnet 7 at a position facing the inner peripheral surface of the cylindrical coil 6 has a high speed. It is a rotating body having a plurality of magnetic poles rotating at.
  • FIG. 3 when a metal conductor having a high magnetic permeability is arranged to move at relatively different speeds around a rotating body having a plurality of magnetic poles rotating at a high speed in this way to secure a path for magnetic fluxes, An electromotive force whose magnitude and direction change with time is generated inside the metal conductor with a change in the rotational position of the magnetic pole (Lenz's law).
  • the material is a silicon steel sheet (sometimes sold on the market as an electrical steel sheet).
  • the thickness is often 50 to 350 microns when performance is prioritized. The thinner the material and the thickness together with the magnetic properties, the higher the efficiency at high speed rotation, so the economical efficiency considering the target motor performance specifications and number of sheets, market availability, etc. Decide on the selection.
  • the magnet corresponds to the inner yoke in the conventional example shown in FIGS.
  • a member forming a magnetic circuit with the member to be formed is a silicon steel plate portion 13 formed on the inner peripheral surface of the housing cylindrical portion 4 located radially outside the cylindrical coil 6.
  • the silicon steel plate portion 13 is formed by stacking thin silicon steel plates having good magnetic properties and having an insulating layer on the surface in the extension direction of the fixed shaft 2 in FIG. 3 to reduce the above-described loss.
  • the inner circumferential surface formed of a magnetic material of the housing cylindrical portion 4 facing the outer circumferential surface of the cylindrical coil 6 is a silicon steel plate portion 13 formed of a silicon steel plate.
  • the member that forms the inner peripheral surface of the housing cylindrical portion 4 facing the outer peripheral surface of the coil 6 with a magnetic material is not limited to a silicon steel plate.
  • the inner peripheral surface formed of a magnetic material of the housing cylindrical portion 4 facing the outer peripheral surface of the cylindrical coil 6 can also be formed by using a steel plate or resin-based material of ordinary steel known in the art. Thus, the above-described functions can be exhibited.
  • the rotary motion transmitting mechanism comprises a gear mechanism having a plurality of gear members.
  • the gear member located on the fixed shaft 2 side in the radial direction is fixed to the fixed shaft 2.
  • the rotary motion transmitting mechanism is a gear mechanism having a plurality of gear members, and the rotary motion transmitting mechanism is a planetary gear mechanism.
  • the high-speed sun gear (sun gear 9) and the low-speed sun gear (planetary output gear 10) in the planetary gear mechanism are both penetrated by the fixed shaft 2 and rotatably supported.
  • the fixed shaft 2 penetrates the gear member located on the fixed shaft 2 side in the radial direction of the rotational motion transmission mechanism including the gear mechanism having a plurality of gear members, and rotatably supports the gear member.
  • the rotational motion of the rotor 3 about the fixed shaft 2 may be transmitted to the rotational motion of the cylindrical housing 5 and the cylindrical portion 4 of the housing about the fixed shaft 2 by one-step deceleration. it can.
  • the transmission mechanism includes a gear mechanism (for example, a planetary gear mechanism) having a plurality of gear members, and the fixed shaft 2 passes through a gear (for example, a sun gear in the planetary gear mechanism) located on the fixed shaft 2 side in the radial direction. And it can be set as the structure which supports rotatably.
  • a gear mechanism for example, a planetary gear mechanism
  • the transmission mechanism can be set as the structure which supports rotatably.
  • the coreless motor 14 of this embodiment can be used by disposing the cylindrical housing 5 at the center of a wheel of a bicycle or a wheelchair, for example.
  • a plurality of spokes extending radially outward in the radial direction, constituting the wheels, are attached to the outer periphery of the housing cylindrical portion 4, and the housing cylindrical portion 4 is rotated as described above, whereby the electric assist bicycle, It is an electric assist wheelchair.
  • the rotational movement of the rotor 3 about the fixed shaft 2 is the end of the cylindrical housing 5 in the axial direction of the fixed shaft 2 as the rotational movement transmitting mechanism built in the cylindrical housing 5.
  • a gear mechanism that rotates the cylindrical housing 5 about the fixed shaft 2 by transmitting the gear to the internal gear 8 disposed on the inner peripheral surface side of the motor is adopted.
  • the rotary motion transmitting mechanism incorporated in the cylindrical housing 5 is not limited to such a structure, and the rotary motion of the rotor 3 about the fixed shaft 2 is used for rotating the cylindrical housing 5 about the fixed shaft 2. As long as it can transmit motion, it can be composed of various deceleration and transmission means.
  • a reduction mechanism in which the cylindrical housing 5 is not provided with the internal gear 8 but an external gear is formed inside the side wall of the cylindrical housing 5 may be used. Further, a rotational motion transmitting structure without gears may be provided.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

La présente invention permet une réduction de la taille d'un moteur sans noyau, au centre duquel est fixé un arbre rotatif s'étendant dans la direction axiale et dans lequel une partie cylindrique est disposée de manière concentrique radialement vers l'extérieur de l'arbre rotatif et sert de corps de rotation de sortie. Un arbre fixe s'étend à travers le centre du moteur sans noyau dans la direction axiale. Une bobine cylindrique s'étend dans la direction d'extension de l'arbre fixe, est disposée de manière concentrique par rapport à l'arbre fixe et a la surface d'extrémité d'un des deux côtés supportée par un stator fixé à l'arbre fixe. Un rotor est disposé de manière rotative par rapport à l'arbre fixe et comprend un aimant qui est disposé radialement vers l'extérieur du rotor, la surface circonférentielle externe de l'aimant faisant face à la surface circonférentielle interne de la bobine cylindrique. Un logement cylindrique comprend une partie cylindrique de logement qui est disposée radialement vers l'extérieur du logement cylindrique et de façon concentrique par rapport à l'arbre fixe et qui tourne autour de l'arbre fixe. Un mécanisme de transmission de mouvement rotatif incorporé dans le boîtier cylindrique transmet le mouvement rotatif du rotor autour de l'arbre fixe au mouvement rotatif du boîtier cylindrique autour de l'arbre fixe. La surface circonférentielle interne de la partie cylindrique de logement, qui fait face à la surface circonférentielle externe de la bobine cylindrique, est formée à partir d'un matériau magnétique.
PCT/JP2018/026842 2018-07-18 2018-07-18 Moteur sans noyau WO2020016948A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2019500894A JP6762488B2 (ja) 2018-07-18 2018-07-18 コアレスモータ
PCT/JP2018/026842 WO2020016948A1 (fr) 2018-07-18 2018-07-18 Moteur sans noyau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/026842 WO2020016948A1 (fr) 2018-07-18 2018-07-18 Moteur sans noyau

Publications (1)

Publication Number Publication Date
WO2020016948A1 true WO2020016948A1 (fr) 2020-01-23

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JP (1) JP6762488B2 (fr)
WO (1) WO2020016948A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734157U (fr) * 1980-07-31 1982-02-23
JPH05199719A (ja) * 1991-08-20 1993-08-06 Ver Drahtwerke Ag 電気機械、特に車輪ハブダイナモ
JP2012010572A (ja) * 2009-08-12 2012-01-12 Seiko Epson Corp コアレス電気機械装置
JP6278432B1 (ja) * 2016-06-21 2018-02-14 株式会社エムリンク コアレスモータ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734157U (fr) * 1980-07-31 1982-02-23
JPH05199719A (ja) * 1991-08-20 1993-08-06 Ver Drahtwerke Ag 電気機械、特に車輪ハブダイナモ
JP2012010572A (ja) * 2009-08-12 2012-01-12 Seiko Epson Corp コアレス電気機械装置
JP6278432B1 (ja) * 2016-06-21 2018-02-14 株式会社エムリンク コアレスモータ

Also Published As

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JPWO2020016948A1 (ja) 2020-07-27
JP6762488B2 (ja) 2020-09-30

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