JPH0232013U - - Google Patents
Info
- Publication number
- JPH0232013U JPH0232013U JP10993388U JP10993388U JPH0232013U JP H0232013 U JPH0232013 U JP H0232013U JP 10993388 U JP10993388 U JP 10993388U JP 10993388 U JP10993388 U JP 10993388U JP H0232013 U JPH0232013 U JP H0232013U
- Authority
- JP
- Japan
- Prior art keywords
- core member
- permanent magnet
- shaft portion
- axial direction
- rotation sensor
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図および第２図は本考案の実施例を示し、
第１図はコア部材およびコイルボビン等の縦断面
図、第２図はクランク角センサの出力特性線図、
第３図は従来技術を示すクランク角センサの縦断
面図である。
１……回転板（回転部材）、１Ａ……歯部、４
……ケーシング、９……永久磁石、１１……磁性
部材、１２……コイルボビン、１３……検出コイ
ル、１４……リード線、２１……コア部材、２２
……大径部、２３……軸部、２３Ｂ……小径段部
。
1 and 2 show an embodiment of the present invention,
Figure 1 is a longitudinal cross-sectional view of the core member and coil bobbin, etc. Figure 2 is an output characteristic diagram of the crank angle sensor.
FIG. 3 is a longitudinal sectional view of a crank angle sensor showing the prior art. 1... Rotating plate (rotating member), 1A... Teeth, 4
... Casing, 9 ... Permanent magnet, 11 ... Magnetic member, 12 ... Coil bobbin, 13 ... Detection coil, 14 ... Lead wire, 21 ... Core member, 22
...Large diameter part, 23...Shaft part, 23B...Small diameter step part.
Claims (1)
られ、軸部の先端が回転部材に近接して配設され
るコア部材と、前記永久磁石の軸方向他側面に設
けられ、該永久磁石の磁束密度を増加させる磁性
部材と、前記コア部材の軸部周囲に巻回され、前
記回転部材の回転を検出する検出コイルとからな
る電磁式回転センサにおいて、前記コア部材の軸
部先端側を先端面から一定長さに亘り所定寸法小
径に形成したことを特徴とする電磁式回転センサ
。 a permanent magnet; a core member provided on one side in the axial direction of the permanent magnet, the tip of the shaft portion of which is disposed close to the rotating member; and a core member provided on the other side in the axial direction of the permanent magnet; In an electromagnetic rotation sensor comprising a magnetic member that increases the magnetic flux density of the core member, and a detection coil that is wound around the shaft portion of the core member and detects rotation of the rotating member, the front end side of the shaft portion of the core member is An electromagnetic rotation sensor characterized in that it is formed with a predetermined size and a small diameter over a certain length from a tip end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10993388U JPH0232013U (en) | 1988-08-22 | 1988-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10993388U JPH0232013U (en) | 1988-08-22 | 1988-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0232013U true JPH0232013U (en) | 1990-02-28 |
Family
ID=31346630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10993388U Pending JPH0232013U (en) | 1988-08-22 | 1988-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0232013U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129669A (en) * | 1983-12-13 | 1985-07-10 | ヴアブコ・ヴエステイングハウス・フア−ルツオイクブレムゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Pulse revolution-number transmitter |
-
1988
- 1988-08-22 JP JP10993388U patent/JPH0232013U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60129669A (en) * | 1983-12-13 | 1985-07-10 | ヴアブコ・ヴエステイングハウス・フア−ルツオイクブレムゼン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Pulse revolution-number transmitter |
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