JP7531751B1 - ロータおよび永久磁石モータ - Google Patents

ロータおよび永久磁石モータ Download PDF

Info

Publication number
JP7531751B1
JP7531751B1 JP2024519459A JP2024519459A JP7531751B1 JP 7531751 B1 JP7531751 B1 JP 7531751B1 JP 2024519459 A JP2024519459 A JP 2024519459A JP 2024519459 A JP2024519459 A JP 2024519459A JP 7531751 B1 JP7531751 B1 JP 7531751B1
Authority
JP
Japan
Prior art keywords
bonded magnet
hard magnetic
ferrite particles
rotor
magnetic ferrite
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.)
Active
Application number
JP2024519459A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2025115138A1 (https=
JPWO2025115138A5 (https=
Inventor
元基 正木
由布 岡田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of JP7531751B1 publication Critical patent/JP7531751B1/ja
Publication of JPWO2025115138A1 publication Critical patent/JPWO2025115138A1/ja
Publication of JPWO2025115138A5 publication Critical patent/JPWO2025115138A5/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
JP2024519459A 2023-11-29 2023-11-29 ロータおよび永久磁石モータ Active JP7531751B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/042782 WO2025115138A1 (ja) 2023-11-29 2023-11-29 ロータおよび永久磁石モータ

Publications (3)

Publication Number Publication Date
JP7531751B1 true JP7531751B1 (ja) 2024-08-09
JPWO2025115138A1 JPWO2025115138A1 (https=) 2025-06-05
JPWO2025115138A5 JPWO2025115138A5 (https=) 2025-10-24

Family

ID=92174315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024519459A Active JP7531751B1 (ja) 2023-11-29 2023-11-29 ロータおよび永久磁石モータ

Country Status (2)

Country Link
JP (1) JP7531751B1 (https=)
WO (1) WO2025115138A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07201548A (ja) * 1993-12-28 1995-08-04 Tdk Corp 六方晶フェライト粒子の製造方法
JP2001068321A (ja) * 1997-02-25 2001-03-16 Tdk Corp 酸化物磁性材料、フェライト粒子、焼結磁石、ボンディッド磁石、磁気記録媒体およびモータ
WO2019198304A1 (ja) * 2018-04-10 2019-10-17 パウダーテック株式会社 フェライト粒子、電子写真現像剤用キャリア芯材、電子写真現像剤用フェライトキャリア及び電子写真現像剤
WO2023053199A1 (ja) * 2021-09-28 2023-04-06 三菱電機株式会社 電動機、送風機および換気扇
WO2023120184A1 (ja) * 2021-12-21 2023-06-29 戸田工業株式会社 ボンド磁石用樹脂組成物ならびにそれを用いたボンド磁石
WO2023195076A1 (ja) * 2022-04-05 2023-10-12 三菱電機株式会社 電動機、送風機および空気調和装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07201548A (ja) * 1993-12-28 1995-08-04 Tdk Corp 六方晶フェライト粒子の製造方法
JP2001068321A (ja) * 1997-02-25 2001-03-16 Tdk Corp 酸化物磁性材料、フェライト粒子、焼結磁石、ボンディッド磁石、磁気記録媒体およびモータ
WO2019198304A1 (ja) * 2018-04-10 2019-10-17 パウダーテック株式会社 フェライト粒子、電子写真現像剤用キャリア芯材、電子写真現像剤用フェライトキャリア及び電子写真現像剤
WO2023053199A1 (ja) * 2021-09-28 2023-04-06 三菱電機株式会社 電動機、送風機および換気扇
WO2023120184A1 (ja) * 2021-12-21 2023-06-29 戸田工業株式会社 ボンド磁石用樹脂組成物ならびにそれを用いたボンド磁石
WO2023195076A1 (ja) * 2022-04-05 2023-10-12 三菱電機株式会社 電動機、送風機および空気調和装置

Also Published As

Publication number Publication date
WO2025115138A1 (ja) 2025-06-05
JPWO2025115138A1 (https=) 2025-06-05

Similar Documents

Publication Publication Date Title
JP4540076B2 (ja) ボンド磁石、コンパウンド、マグネットロール及びそれらに用いるフェライト粉末並びにその製造方法
WO2007105398A1 (ja) 回転機、ボンド磁石、マグネットロール、及びフェライト焼結磁石の製造方法
US11362557B2 (en) Electric motor and field element
JP4294026B2 (ja) フェライト磁石粉末、焼結磁石、ボンド磁石、磁気記録媒体
WO2004107367A1 (ja) 軟磁性材料、モータコア、トランスコアおよび軟磁性材料の製造方法
JP7531751B1 (ja) ロータおよび永久磁石モータ
JP2017107889A (ja) 等方性ボンド磁石、電動機要素、電動機、装置
JP2005323419A (ja) 異方性ボンド磁石の製造方法
JPS61237405A (ja) 多極着磁磁石
JPH07235410A (ja) 樹脂結合型軟質磁性体
JP5129079B2 (ja) キャリア芯材とその製造方法および電子写真現像剤用磁性キャリア
WO2023187436A1 (en) Permanent magnet rotor for synchronous reluctance motors
JPH05129127A (ja) 異方性セグメント型磁石
WO2023053307A1 (ja) 回転子および電動機
JP2002353018A (ja) 樹脂磁石
CN106199468B (zh) 一种粘结永磁铁氧体磁粉磁特性的评价方法
JP4709478B2 (ja) フェライト磁石粉末、焼結磁石、ボンド磁石、磁気記録媒体
WO2023223532A1 (ja) ラバー磁石及び冷蔵庫用ドアパッキン
CN111327136A (zh) 永磁铁和旋转电机
JP2022152228A (ja) 樹脂成形体、物品、樹脂成形体の製造方法および樹脂組成物
WO2025142880A1 (ja) 磁性体
JP2006013055A (ja) 異方性ボンド磁石の製造方法
JP2003151823A (ja) ボンド磁石組立体
JP2017085837A (ja) 電動機要素、電動機要素の製造方法、電動機、装置
JP5120534B2 (ja) 異方性フェライト磁石及びモータ

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240328

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240328

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20240328

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240507

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240621

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240702

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240730

R150 Certificate of patent or registration of utility model

Ref document number: 7531751

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150