JP7759869B2 - 磁石構造体、回転角度検出器、及び、電動パワーステアリング装置 - Google Patents

磁石構造体、回転角度検出器、及び、電動パワーステアリング装置

Info

Publication number
JP7759869B2
JP7759869B2 JP2022508181A JP2022508181A JP7759869B2 JP 7759869 B2 JP7759869 B2 JP 7759869B2 JP 2022508181 A JP2022508181 A JP 2022508181A JP 2022508181 A JP2022508181 A JP 2022508181A JP 7759869 B2 JP7759869 B2 JP 7759869B2
Authority
JP
Japan
Prior art keywords
cylindrical portion
magnetic structure
molded body
cylindrical member
bonded magnet
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
JP2022508181A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2021187074A1 (https=
Inventor
尚樹 森
義明 岡田
敏浩 黒嶋
伸也 川島
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Publication of JPWO2021187074A1 publication Critical patent/JPWO2021187074A1/ja
Application granted granted Critical
Publication of JP7759869B2 publication Critical patent/JP7759869B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Power Steering Mechanism (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP2022508181A 2020-03-19 2021-03-01 磁石構造体、回転角度検出器、及び、電動パワーステアリング装置 Active JP7759869B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020049138 2020-03-19
JP2020049138 2020-03-19
PCT/JP2021/007761 WO2021187074A1 (ja) 2020-03-19 2021-03-01 磁石構造体、回転角度検出器、及び、電動パワーステアリング装置

Publications (2)

Publication Number Publication Date
JPWO2021187074A1 JPWO2021187074A1 (https=) 2021-09-23
JP7759869B2 true JP7759869B2 (ja) 2025-10-24

Family

ID=77770893

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022508181A Active JP7759869B2 (ja) 2020-03-19 2021-03-01 磁石構造体、回転角度検出器、及び、電動パワーステアリング装置

Country Status (3)

Country Link
JP (1) JP7759869B2 (https=)
CN (1) CN115280107A (https=)
WO (1) WO2021187074A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7179911B1 (ja) 2021-05-19 2022-11-29 株式会社ダイドー電子 磁石ユニット及びその製造方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004027795A1 (ja) 2002-09-19 2004-04-01 Nec Tokin Corporation ボンド磁石の製造方法及びボンド磁石を備えた磁気デバイスの製造方法
JP2007266032A (ja) 2006-03-27 2007-10-11 Japan Magnetic Chemical Institute 永久磁石の製造方法及び永久磁石
JP2009133715A (ja) 2007-11-30 2009-06-18 Tokyo Cosmos Electric Co Ltd 回転角度センサの取り付け構造
JP2010181258A (ja) 2009-02-05 2010-08-19 Furukawa Electric Co Ltd:The 回転センサ
US20110267039A1 (en) 2010-05-02 2011-11-03 Stanley Byron Musselman Magnet and holder assembly having improved rotational and axial stability
JP2015105900A (ja) 2013-12-02 2015-06-08 日立オートモティブシステムズステアリング株式会社 回転角検出装置
JP2016153765A (ja) 2015-02-20 2016-08-25 Tdk株式会社 磁石構造体及び回転角度検出器
JP2018182161A (ja) 2017-04-18 2018-11-15 Tdk株式会社 磁石、磁石構造体、及び、回転角度検出器
JP6612946B1 (ja) 2018-09-12 2019-11-27 栄通信工業株式会社 直線摺動ポテンショメータ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2604059Y2 (ja) * 1993-12-24 2000-04-10 株式会社ミツバ 回転検出装置
JPH10172385A (ja) * 1996-12-11 1998-06-26 Alps Electric Co Ltd 電気部品
JP4578159B2 (ja) * 2004-06-22 2010-11-10 アルプス電気株式会社 ポジションセンサ
JP5401902B2 (ja) * 2008-10-03 2014-01-29 日本電産株式会社 モータ
JP6763164B2 (ja) * 2016-03-22 2020-09-30 Tdk株式会社 磁石構造体及び回転角度検出器
JP2017191037A (ja) * 2016-04-14 2017-10-19 Tdk株式会社 磁石構造体及び回転角度検出器
JP2019090685A (ja) * 2017-11-14 2019-06-13 アイシン精機株式会社 回転角検出装置及び回転角検出装置の組立て方法

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004027795A1 (ja) 2002-09-19 2004-04-01 Nec Tokin Corporation ボンド磁石の製造方法及びボンド磁石を備えた磁気デバイスの製造方法
JP2007266032A (ja) 2006-03-27 2007-10-11 Japan Magnetic Chemical Institute 永久磁石の製造方法及び永久磁石
JP2009133715A (ja) 2007-11-30 2009-06-18 Tokyo Cosmos Electric Co Ltd 回転角度センサの取り付け構造
JP2010181258A (ja) 2009-02-05 2010-08-19 Furukawa Electric Co Ltd:The 回転センサ
US20110267039A1 (en) 2010-05-02 2011-11-03 Stanley Byron Musselman Magnet and holder assembly having improved rotational and axial stability
JP2015105900A (ja) 2013-12-02 2015-06-08 日立オートモティブシステムズステアリング株式会社 回転角検出装置
JP2016153765A (ja) 2015-02-20 2016-08-25 Tdk株式会社 磁石構造体及び回転角度検出器
JP2018182161A (ja) 2017-04-18 2018-11-15 Tdk株式会社 磁石、磁石構造体、及び、回転角度検出器
JP6612946B1 (ja) 2018-09-12 2019-11-27 栄通信工業株式会社 直線摺動ポテンショメータ

Also Published As

Publication number Publication date
CN115280107A (zh) 2022-11-01
JPWO2021187074A1 (https=) 2021-09-23
WO2021187074A1 (ja) 2021-09-23

Similar Documents

Publication Publication Date Title
JP6763164B2 (ja) 磁石構造体及び回転角度検出器
US8552675B2 (en) Motor
CN102893071B (zh) 具有改进的旋转稳定性和轴向稳定性的磁体与磁体保持件的组件
US7500408B2 (en) Torque detection device
JP6673788B2 (ja) 回転角検出装置
US11374451B2 (en) Rotor assembly for electric motor
JP7759869B2 (ja) 磁石構造体、回転角度検出器、及び、電動パワーステアリング装置
JP4100454B2 (ja) 車両用軸受装置
CN110720043A (zh) 车轮速度检测装置
CN102841214B (zh) 具有o形环的传感器设备
JP2009145293A (ja) 非接触式回転角度検出装置及びその製造方法
JP6861967B2 (ja) 電動ポンプ用ロータの製造方法
JP2017191037A (ja) 磁石構造体及び回転角度検出器
JP6344043B2 (ja) センサ
CN104590365B (zh) 用于动力转向系统的保持架组件
JP7179911B1 (ja) 磁石ユニット及びその製造方法
JP7155443B2 (ja) 磁気測定装置用の測定値送信器
JP3994670B2 (ja) 転がり軸受
JP2020139799A (ja) 磁石ユニット
JP7106947B2 (ja) 位置検出装置
KR101828879B1 (ko) 토크 센서
JP6211381B2 (ja) 磁気エンコーダ装置および回転検出装置
JP3536244B2 (ja) 円筒型エンコーダの製造方法
KR101882247B1 (ko) 차량자세제어장치의 모터조립체
JP6881145B2 (ja) アキシャルギャップモータ

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20240116

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20240827

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20241224

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250219

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20250422

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250718

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: 20251007

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20251014

R150 Certificate of patent or registration of utility model

Ref document number: 7759869

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150