JPH046280U - - Google Patents
Info
- Publication number
- JPH046280U JPH046280U JP4528990U JP4528990U JPH046280U JP H046280 U JPH046280 U JP H046280U JP 4528990 U JP4528990 U JP 4528990U JP 4528990 U JP4528990 U JP 4528990U JP H046280 U JPH046280 U JP H046280U
- Authority
- JP
- Japan
- Prior art keywords
- center yoke
- yokes
- linear motor
- magnetic circuit
- permanent 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.)
- Pending
Links
- 230000004907 flux Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
第１図は、本考案の一実施例を示すリニアモー
タ用磁気回路の正面模式図。第２図は、本考案及
び従来のリニアモータ用磁気回路の磁束密度分布
図。第３図は、従来のリニアモータ用磁気回路の
外観斜視図である。
１……センターヨーク、２ａ，２ｂ……バツク
ヨーク、３ａ，３ｂ……永久磁石、４ａ，４ｂ，
４ｃ，４ｄ……サイドヨーク、５……駆動コイル
、６ａ，６ｂ……空隙、７ａ，７ｂ，７ｃ，７ｄ
……小形永久磁石。Ａ……（本考案のリニアモー
タ用磁気回路の）磁束密度分布曲線、Ｂ……（従
来のリニアモータ用磁気回路の）磁束密度分布曲
線、Ｎ……磁極。
FIG. 1 is a schematic front view of a magnetic circuit for a linear motor showing an embodiment of the present invention. FIG. 2 is a magnetic flux density distribution diagram of the present invention and a conventional magnetic circuit for a linear motor. FIG. 3 is an external perspective view of a conventional magnetic circuit for a linear motor. 1... Center yoke, 2a, 2b... Back yoke, 3a, 3b... Permanent magnet, 4a, 4b,
4c, 4d...Side yoke, 5...Drive coil, 6a, 6b...Gap, 7a, 7b, 7c, 7d
...Small permanent magnet. A... Magnetic flux density distribution curve (of the magnetic circuit for a linear motor of the present invention), B... Magnetic flux density distribution curve (of the conventional magnetic circuit for a linear motor), N... Magnetic pole.
Claims (1)
クと、該センターヨークの上下に所定間隔離して
、内面に永久磁石の同極面を対向させて密着させ
た前記センターヨークと同形の２個のバツクヨー
クと、前記上下のバツクヨークとセンターヨーク
の両端部の間に挿入密着された４個のサイドヨー
クとからなる直流リニアモータ用磁気回路におい
て、前記両端のサイドヨークの内面側に、前記永
久磁石と同極面を内面に露出して密着させた小形
永久磁石を設けたことを特徴とするリニアモータ
用磁気回路。 a rectangular center yoke through which a drive coil is inserted; two back yokes having the same shape as the center yoke and spaced apart by a predetermined distance above and below the center yoke, and having the same polar surfaces of permanent magnets facing each other on their inner surfaces and in close contact with each other; In a magnetic circuit for a DC linear motor consisting of four side yokes that are inserted and tightly fitted between the upper and lower back yokes and both ends of the center yoke, the inner surfaces of the side yokes at both ends have the same polar surface as the permanent magnet. A magnetic circuit for a linear motor, characterized by having a small permanent magnet that is exposed and adhered to the inner surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4528990U JPH046280U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4528990U JPH046280U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046280U true JPH046280U (en) | 1992-01-21 |
Family
ID=31559332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4528990U Pending JPH046280U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002355293A (en) * | 2001-06-04 | 2002-12-10 | Shinko Chemical Co Ltd | Drug container |
-
1990
- 1990-04-27 JP JP4528990U patent/JPH046280U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002355293A (en) * | 2001-06-04 | 2002-12-10 | Shinko Chemical Co Ltd | Drug container |
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