JPWO2025041223A5 - - Google Patents
Info
- Publication number
- JPWO2025041223A5 JPWO2025041223A5 JP2025541182A JP2025541182A JPWO2025041223A5 JP WO2025041223 A5 JPWO2025041223 A5 JP WO2025041223A5 JP 2025541182 A JP2025541182 A JP 2025541182A JP 2025541182 A JP2025541182 A JP 2025541182A JP WO2025041223 A5 JPWO2025041223 A5 JP WO2025041223A5
- Authority
- JP
- Japan
- Prior art keywords
- back yoke
- motor core
- winding
- core according
- teeth pieces
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Claims (18)
円環状のバックヨークと、
前記バックヨークとは別体で構成された複数のティース片と、を備え、
前記複数のティース片は、前記バックヨークから前記バックヨークの半径方向内側に延びるように前記バックヨークに接合されている、
モータコア。 This is the motor core of a radial gap motor.
A circular back yoke,
It comprises a plurality of teeth pieces that are configured separately from the back yoke,
The plurality of teeth are joined to the back yoke so as to extend radially inward from the back yoke.
Motor core.
請求項１に記載のモータコア。 The back yoke and the plurality of teeth are compacted powder molded bodies.
The motor core according to claim 1.
請求項１に記載のモータコア。 The length of the back yoke in the axial direction is longer than the length of the plurality of teeth pieces in the axial direction.
The motor core according to claim 1 .
請求項１に記載のモータコア。 The back yoke extends beyond the plurality of teeth pieces to at least one side in the axial direction of the back yoke.
The motor core according to claim 1 .
巻線が巻回される胴部と、
前記胴部の前記バックヨークとは反対側の端部に位置する鍔部と、を有し、
前記バックヨークの軸線方向における前記鍔部の長さは、前記軸線方向における前記胴部の長さよりも長い、
請求項１に記載のモータコア。 Each of the aforementioned multiple teeth pieces is,
The body around which the winding wire is wound,
The torso has a flange located at the end opposite to the back yoke,
The length of the flange portion in the axial direction of the back yoke is longer than the length of the body portion in the axial direction.
The motor core according to claim 1 .
巻線が巻回される胴部と、
前記胴部の前記バックヨークとは反対側の端部に位置する鍔部と、を有し、
前記鍔部は、前記胴部よりも前記バックヨークの軸線方向における少なくとも一方側まで延びている、
請求項１に記載のモータコア。 Each of the aforementioned multiple teeth pieces is,
The body around which the winding wire is wound,
The torso has a flange portion located at the end opposite to the back yoke,
The flange extends beyond the body portion to at least one side in the axial direction of the back yoke.
The motor core according to claim 1 .
前記複数のティース片のそれぞれは、前記複数の凹部のそれぞれに嵌め込まれている、
請求項１に記載のモータコア。 The back yoke has a plurality of recesses formed on the inner circumferential surface of the back yoke,
Each of the plurality of teeth is fitted into each of the plurality of recesses.
The motor core according to claim 1 .
請求項７に記載のモータコア。 Each of the plurality of teeth pieces has a protrusion that fits into each of the plurality of recesses.
The motor core according to claim 7.
前記凸部は、蟻ほぞである、
請求項８に記載のモータコア。 The aforementioned recess is a dovetail groove,
The aforementioned protrusion is a dovetail joint.
The motor core according to claim 8.
巻線が巻回される胴部と、
前記胴部の前記バックヨーク側に位置して前記複数の凹部のそれぞれに嵌め込まれる基部と、を有し、
前記バックヨークの周方向における前記基部の長さは、前記周方向における前記胴部の長さよりも長い、
請求項７に記載のモータコア。 Each of the aforementioned multiple teeth pieces is,
The body around which the winding wire is wound,
It has a base portion located on the back yoke side of the torso and fitted into each of the plurality of recesses,
The length of the base of the back yoke in the circumferential direction is longer than the length of the body in the circumferential direction.
The motor core according to claim 7.
巻線が巻回される胴部と、
前記胴部の前記バックヨーク側に位置して前記複数の凹部のそれぞれに嵌め込まれる基部と、を有し、
前記基部は、前記胴部よりも前記バックヨークの周方向における少なくとも一方側まで延びている、
請求項７に記載のモータコア。 Each of the aforementioned multiple teeth pieces is,
The body around which the winding wire is wound,
It has a base portion located on the back yoke side of the torso and fitted into each of the plurality of recesses,
The base extends beyond the torso portion to at least one side in the circumferential direction of the back yoke.
The motor core according to claim 7 .
前記巻回面は、
前記バックヨークの軸線方向に対向する第一巻回面部及び第二巻回面部と、
前記バックヨークの周方向に対向する第三巻回面部及び第四巻回面部と、を有し、
前記第一巻回面部と前記第三巻回面部、前記第一巻回面部と前記第四巻回面部、前記第二巻回面部と前記第三巻回面部、及び前記第二巻回面部と前記第四巻回面部の少なくとも一つは、曲面状に接続されている、
請求項１に記載のモータコア。 Each of the aforementioned multiple teeth pieces has a winding surface around which the winding is wound,
The aforementioned winding surface is
The first and second winding surfaces of the back yoke are opposite each other in the axial direction,
The back yoke has a third and fourth winding portion facing each other in the circumferential direction,
At least one of the first and third curved surfaces, the first and fourth curved surfaces, the second and third curved surfaces, and the second and fourth curved surfaces are connected in a curved manner.
The motor core according to claim 1 .
前記巻回面は、
互いに対向する第一巻回面部及び第二巻回面部と、
前記第一巻回面部及び前記第二巻回面部と隣接する第三巻回面部及び第四巻回面部と、を有し、
前記第一巻回面部と前記第三巻回面部、前記第一巻回面部と前記第四巻回面部、前記第二巻回面部と前記第三巻回面部、及び前記第二巻回面部と前記第四巻回面部の少なくとも一つは、曲面状に接続されている、
請求項１３に記載のティース片。 Having a winding surface around which the winding is wound,
The aforementioned winding surface is
The first and second curved surfaces are opposite each other,
It has a first winding surface portion and a third winding surface portion and a fourth winding surface portion adjacent to the second winding surface portion,
At least one of the first and third curved surfaces, the first and fourth curved surfaces, the second and third curved surfaces, and the second and fourth curved surfaces are connected in a curved manner.
The tooth piece according to claim 13.
請求項１～１２の何れか一項に記載のモータコアと、
前記モータコアの前記複数のティース片のそれぞれに巻回された巻線と、を備える、
ステータ。 It is the stator of a radial gap motor,
A motor core according to any one of claims 1 to 12,
The motor core comprises windings wound around each of the plurality of teeth pieces,
stata.
前記ステータに対して回転可能に配置されたロータと、を備える、
ラジアルギャップモータ。 The stator described in claim 15,
The system comprises a rotor rotatably arranged relative to the stator,
Radial gap motor.
円環状のバックヨークと、前記バックヨークとは別体で構成された複数のティース片と、を用意する用意工程と、
前記複数のティース片を、前記バックヨークから前記バックヨークの半径方向内側に延びるように前記バックヨークに接合する接合工程と、を備える、
モータコアの製造方法。 A method for manufacturing a motor core according to any one of claims 1 to 12,
A preparation step involves preparing an annular back yoke and a plurality of teeth pieces that are constructed separately from the back yoke.
The process includes joining the plurality of teeth pieces to the back yoke so that they extend radially inward from the back yoke,
A method for manufacturing a motor core.
円環状のバックヨークと、前記バックヨークとは別体で構成された複数のティース片と、を用意する用意工程と、
前記複数のティース片のそれぞれに巻線を巻回する巻回工程と、
前記巻回工程の後、前記複数のティース片を、前記バックヨークから前記バックヨークの半径方向内側に延びるように前記バックヨークに接合する接合工程と、を備える、
ステータの製造方法。
A method for manufacturing a stator as described in claim 15,
A preparation step involves preparing an annular back yoke and a plurality of teeth pieces that are constructed separately from the back yoke.
A winding step in which a winding wire is wound around each of the plurality of teeth pieces,
The process includes, after the winding step, joining the plurality of teeth pieces to the back yoke so that they extend radially inward from the back yoke,
A method for manufacturing a stator.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2023/029996 WO2025041223A1 (en) | 2023-08-21 | 2023-08-21 | Motor core, stator, tooth piece, radial-gap motor, production method for motor core, and production method for stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2025041223A1 JPWO2025041223A1 (en) | 2025-02-27 |
| JPWO2025041223A5 true JPWO2025041223A5 (en) | 2026-04-07 |
Family
ID=94731811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025541182A Pending JPWO2025041223A1 (en) | 2023-08-21 | 2023-08-21 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPWO2025041223A1 (en) |
| WO (1) | WO2025041223A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09215230A (en) * | 1996-02-09 | 1997-08-15 | Toshiba Corp | Electric motor |
| JPH10234145A (en) * | 1997-02-19 | 1998-09-02 | Toshiba Corp | Stator of inner rotor type motor |
| KR100585691B1 (en) * | 2004-03-09 | 2006-06-07 | 엘지전자 주식회사 | Stator of Bieldish Motor and its manufacturing method |
| JP2006087244A (en) * | 2004-09-16 | 2006-03-30 | Asmo Co Ltd | Rotating electric machine |
| JP2006246621A (en) * | 2005-03-03 | 2006-09-14 | Asmo Co Ltd | Core for rotary electric machine, its manufacturing method, and embedded magnet motor |
| JP2008022646A (en) * | 2006-07-13 | 2008-01-31 | Yaskawa Electric Corp | Stator for permanent magnet type motor, permanent magnet type motor, and method for manufacturing the stator |
-
2023
- 2023-08-21 WO PCT/JP2023/029996 patent/WO2025041223A1/en active Pending
- 2023-08-21 JP JP2025541182A patent/JPWO2025041223A1/ja active Pending
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