JP5335473B2 - 磁気式エンコーダ - Google Patents
磁気式エンコーダ Download PDFInfo
- Publication number
- JP5335473B2 JP5335473B2 JP2009038041A JP2009038041A JP5335473B2 JP 5335473 B2 JP5335473 B2 JP 5335473B2 JP 2009038041 A JP2009038041 A JP 2009038041A JP 2009038041 A JP2009038041 A JP 2009038041A JP 5335473 B2 JP5335473 B2 JP 5335473B2
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- JP
- Japan
- Prior art keywords
- shaft
- magnet
- bearing
- housing
- substrate
- 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.)
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- 239000000758 substrate Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
2 シャフト
2a シャフト内端部
3 磁石
4 磁気検出素子
5 基板
6 第1ベアリング
7 第2ベアリング
8 凹部
Claims (2)
- ハウジングに回転可能に支持されたシャフトと、該シャフトにおける上記ハウジングに支持される一方側端部である内端部に固定された磁石と、該磁石に対向配置された磁気検出素子とを備えた磁気式エンコーダにおいて、
上記シャフトの上記内端部がベアリングで上記ハウジングに回転可能に支持され、上記ベアリングの内径側において上記シャフトの上記内端部に軸方向で凹む凹部が形成され、この凹部内に上記磁石が全体を入り込ませた状態で固定されており、上記磁石全体が上記ベアリングおよび上記シャフトの上記内端部により囲まれている、ことを特徴とする磁気式エンコーダ。 - 上記磁気検出素子が搭載される基板を備え、この基板は上記シャフトの径方向一方に張り出す形状に形成されている、ことを特徴とする請求項1に記載の磁気式エンコーダ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009038041A JP5335473B2 (ja) | 2009-02-20 | 2009-02-20 | 磁気式エンコーダ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009038041A JP5335473B2 (ja) | 2009-02-20 | 2009-02-20 | 磁気式エンコーダ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010190846A JP2010190846A (ja) | 2010-09-02 |
JP5335473B2 true JP5335473B2 (ja) | 2013-11-06 |
Family
ID=42817028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009038041A Active JP5335473B2 (ja) | 2009-02-20 | 2009-02-20 | 磁気式エンコーダ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5335473B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016189602A1 (ja) * | 2015-05-22 | 2016-12-01 | 三菱電機株式会社 | 回転角検出装置 |
JP6373532B1 (ja) * | 2017-07-14 | 2018-08-15 | 三菱電機株式会社 | 回転電機 |
WO2019012694A1 (ja) * | 2017-07-14 | 2019-01-17 | 三菱電機株式会社 | 回転電機及びそれを用いたドア装置 |
JP7274294B2 (ja) * | 2019-01-25 | 2023-05-16 | ニデックインスツルメンツ株式会社 | エンコーダの製造方法、エンコーダおよびエンコーダ付きモータ |
JPWO2022157828A1 (ja) * | 2021-01-19 | 2022-07-28 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04324302A (ja) * | 1991-04-24 | 1992-11-13 | Aisan Ind Co Ltd | スロットルポジションセンサ |
JP3161962B2 (ja) * | 1996-01-06 | 2001-04-25 | 株式会社ユニシアジェックス | 回動角検出装置 |
DE10007968C1 (de) * | 2000-02-22 | 2001-08-09 | Daimler Chrysler Ag | Mechanische Welle mit integrierter Magnetanordnung |
JP4704065B2 (ja) * | 2005-02-22 | 2011-06-15 | Ntn株式会社 | 回転検出装置付き軸受 |
-
2009
- 2009-02-20 JP JP2009038041A patent/JP5335473B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010190846A (ja) | 2010-09-02 |
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