JP4672377B2 - 磁気エンコーダおよびそれを備えた車輪用軸受 - Google Patents
磁気エンコーダおよびそれを備えた車輪用軸受 Download PDFInfo
- Publication number
- JP4672377B2 JP4672377B2 JP2005004469A JP2005004469A JP4672377B2 JP 4672377 B2 JP4672377 B2 JP 4672377B2 JP 2005004469 A JP2005004469 A JP 2005004469A JP 2005004469 A JP2005004469 A JP 2005004469A JP 4672377 B2 JP4672377 B2 JP 4672377B2
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- Prior art keywords
- magnetic
- powder
- multipolar magnet
- magnetic encoder
- sintering
- Prior art date
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Description
2 外方部材
3 転動体
5 シール装置
7 等速自在継手
10 磁気エンコーダ
11 芯金
12a 取付け部
12b 当接部
13 固定部
13a 挟持面
13b 拡径面
13c 円筒面
13d 縮径面
14 多極磁石
14 外周部
14’ 圧縮成形体
17 弾性部材
17a、17b、17c シールリップ
18 ラビリンスシール
21 磁気センサ
22 回転検出装置
p ピッチ
Claims (3)
- 磁性粉末と非磁性金属粉末との混合粉末を圧縮成形した後に焼結してなり、周方向に交互に磁極が形成された環状の多極磁石と、該多極磁石が固定される芯金とを備え、前記多極磁石の一端面が間隙を介して磁気センサと軸方向に対向する磁気エンコーダにおいて、
前記芯金は、前記多極磁石を固定する固定部と、径方向に延び、前記多極磁石の他端面と当接する当接部とを備え、
前記多極磁石は、焼結後の膨張により、その外周部が前記固定部に設けた挟持面で径方向及び軸方向に挟持固定されていることを特徴とする磁気エンコーダ。 - 前記多極磁石と前記芯金の固定部とを周方向で係合させた請求項1記載の磁気エンコーダ。
- 請求項1又は2に記載の磁気エンコーダを備えた車輪用軸受。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005004469A JP4672377B2 (ja) | 2005-01-11 | 2005-01-11 | 磁気エンコーダおよびそれを備えた車輪用軸受 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005004469A JP4672377B2 (ja) | 2005-01-11 | 2005-01-11 | 磁気エンコーダおよびそれを備えた車輪用軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006194642A JP2006194642A (ja) | 2006-07-27 |
JP4672377B2 true JP4672377B2 (ja) | 2011-04-20 |
Family
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Family Applications (1)
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JP2005004469A Expired - Fee Related JP4672377B2 (ja) | 2005-01-11 | 2005-01-11 | 磁気エンコーダおよびそれを備えた車輪用軸受 |
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JP (1) | JP4672377B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5932270B2 (ja) * | 2011-09-08 | 2016-06-08 | Ntn株式会社 | 配光可変型前照灯装置用すべり軸受 |
JP5973005B2 (ja) * | 2015-01-20 | 2016-08-17 | Ntn株式会社 | 配光可変型前照灯装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000253609A (ja) * | 1999-02-26 | 2000-09-14 | Mitsubishi Electric Corp | 電動機の回転子およびその製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01202130A (ja) * | 1988-02-08 | 1989-08-15 | Sanyo Denki Co Ltd | 小型モータ用ケース |
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2005
- 2005-01-11 JP JP2005004469A patent/JP4672377B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000253609A (ja) * | 1999-02-26 | 2000-09-14 | Mitsubishi Electric Corp | 電動機の回転子およびその製造方法 |
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JP2006194642A (ja) | 2006-07-27 |
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