JPH01171578U - - Google Patents
Info
- Publication number
- JPH01171578U JPH01171578U JP6639288U JP6639288U JPH01171578U JP H01171578 U JPH01171578 U JP H01171578U JP 6639288 U JP6639288 U JP 6639288U JP 6639288 U JP6639288 U JP 6639288U JP H01171578 U JPH01171578 U JP H01171578U
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- center
- pair
- cylindrical shape
- hollow cylindrical
- 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
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
第１図は本考案の実施例を示す要部縦断面図、
第２図および第３図は各々従来のものを示す要部
縦断面図である。
１：サイドヨーク、２：センターヨーク、３：
サイドコイル、４：センターコイル、６：永久磁
石。
FIG. 1 is a vertical sectional view of the main part showing an embodiment of the present invention.
FIGS. 2 and 3 are longitudinal cross-sectional views of main parts of conventional devices, respectively. 1: Side yoke, 2: Center yoke, 3:
Side coil, 4: Center coil, 6: Permanent magnet.
Claims (1)
性材料により中空円筒状に形成すると共にサイド
ヨーク内に同軸的にセンターヨークを配設し、サ
イドヨークの内周およびセンターヨークの外周に
夫々実質的に同一直径に形成した１対のサイドコ
イルおよび１対のセンターコイルを同軸的に配設
し、サイドコイルとセンターコイルとの間にＲ―
Ｆｅ―Ｂ系磁石材料により実質的に同一直径の中
空円筒状にかつ外周面に各々逆極性の磁極を出現
するように形成したラジアル異方性を有する１対
の永久磁石を同軸的に配設してなる可動子を軸方
向移動自在に設けると共に、磁束流が一方のサイ
ドコイル、永久磁石およびセンターコイルを横断
し、センターヨーク若しくはサイドヨークを経由
し、他方のサイドコイル、永久磁石およびセンタ
ーコイルを横断し、サイドヨーク若しくはセンタ
ーヨークを経由して一巡する経路を形成するよう
に構成したことを特徴とするリニアアクチユエー
タ。 The side yokes and the center yoke are each formed into a hollow cylindrical shape from a soft magnetic material, and the center yoke is arranged coaxially within the side yoke, so that the inner circumference of the side yoke and the outer circumference of the center yoke have substantially the same diameter. A pair of formed side coils and a pair of center coils are arranged coaxially, and an R-
A pair of permanent magnets with radial anisotropy are coaxially arranged, made of Fe-B magnet material, into a hollow cylindrical shape with substantially the same diameter, and each having magnetic poles of opposite polarity on the outer circumferential surface. A movable element made of A linear actuator characterized in that it is configured to form a route that traverses the area and goes around via a side yoke or a center yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6639288U JPH01171578U (en) | 1988-05-20 | 1988-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6639288U JPH01171578U (en) | 1988-05-20 | 1988-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171578U true JPH01171578U (en) | 1989-12-05 |
Family
ID=31291798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6639288U Pending JPH01171578U (en) | 1988-05-20 | 1988-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005198495A (en) * | 2003-12-30 | 2005-07-21 | Lg Electronics Inc | Reciprocating motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5879462A (en) * | 1981-10-02 | 1983-05-13 | ナシヨナル・エアロノ−テイツクス・アンド・スペ−ス・アドミニストレ−シヨン | Reciprocating type device and low temperature cooler using same |
| JPS60153109A (en) * | 1984-01-21 | 1985-08-12 | Sumitomo Special Metals Co Ltd | Permanent magnet |
-
1988
- 1988-05-20 JP JP6639288U patent/JPH01171578U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5879462A (en) * | 1981-10-02 | 1983-05-13 | ナシヨナル・エアロノ−テイツクス・アンド・スペ−ス・アドミニストレ−シヨン | Reciprocating type device and low temperature cooler using same |
| JPS60153109A (en) * | 1984-01-21 | 1985-08-12 | Sumitomo Special Metals Co Ltd | Permanent magnet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005198495A (en) * | 2003-12-30 | 2005-07-21 | Lg Electronics Inc | Reciprocating motor |