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JPS59176383U - electromagnetic drive device - Google Patents

electromagnetic drive device

Info

Publication number
JPS59176383U
JPS59176383U JP2887783U JP2887783U JPS59176383U JP S59176383 U JPS59176383 U JP S59176383U JP 2887783 U JP2887783 U JP 2887783U JP 2887783 U JP2887783 U JP 2887783U JP S59176383 U JPS59176383 U JP S59176383U
Authority
JP
Japan
Prior art keywords
drive device
electromagnetic drive
center pole
movable coil
magnetic
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
Application number
JP2887783U
Other languages
Japanese (ja)
Inventor
梅原　輝雄
岡田　三郎
新船　信美
Original Assignee
日立金属株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日立金属株式会社 filed Critical 日立金属株式会社
Priority to JP2887783U priority Critical patent/JPS59176383U/en
Publication of JPS59176383U publication Critical patent/JPS59176383U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図および第２図はそれぞれ本発明の一実施例を示す
断面図および側面図である。 ｌａ、　　ｌｂ、　”ｌｃ、　　１ｄ：ヨーク片、２．
６：永久磁石、３：センターポール、４：磁気キャップ
、５：可動コイル。FIG. 1 and FIG. 2 are a sectional view and a side view, respectively, showing an embodiment of the present invention. la, lb, ``lc, 1d: yoke piece, 2.
6: Permanent magnet, 3: Center pole, 4: Magnetic cap, 5: Moving coil.

Claims (1)

【実用新案登録請求の範囲】 １　強磁性材料からなるヨーク内に複数個の永久磁石を
固定すると共に該永久磁石の各々にセンターポールを設
けて磁気回路を形成し、前記磁気回路の一部を構成する
前記センターポールの回りの磁気ギャップ内に可動コイ
ルを配置し、該可動コイルをそれに通電することにより
前記センターポールに沿って移動させるように構成した
電磁駆動装置において、前記ヨーク内に前記永久磁石の
各々に近接して第二の永久磁石を設けて、前記磁気ギャ
ップを通る有効磁束量を増加させたことを特徴とする電
磁駆動装置。 ２　センターポールを高磁束密度材で形成したことを特
徴とする実用新案登録請求の範囲第１項記載の電磁駆動
装置。[Claims for Utility Model Registration] 1. A magnetic circuit is formed by fixing a plurality of permanent magnets in a yoke made of a ferromagnetic material and providing a center pole for each of the permanent magnets, and a part of the magnetic circuit is In the electromagnetic drive device, a movable coil is disposed within a magnetic gap around the center pole, and the movable coil is moved along the center pole by energizing the movable coil. An electromagnetic drive device characterized in that a second permanent magnet is provided adjacent to each of the magnets to increase the amount of effective magnetic flux passing through the magnetic gap. 2. The electromagnetic drive device according to claim 1, wherein the center pole is made of a high magnetic flux density material.
JP2887783U 1983-02-28 1983-02-28 electromagnetic drive device Pending JPS59176383U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2887783U JPS59176383U (en) 1983-02-28 1983-02-28 electromagnetic drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2887783U JPS59176383U (en) 1983-02-28 1983-02-28 electromagnetic drive device

Publications (1)

Publication Number Publication Date
JPS59176383U true JPS59176383U (en) 1984-11-26

Family

ID=30159754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2887783U Pending JPS59176383U (en) 1983-02-28 1983-02-28 electromagnetic drive device

Country Status (1)

Country Link
JP (1) JPS59176383U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741607B2 (en) * 1976-09-24 1982-09-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5741607B2 (en) * 1976-09-24 1982-09-03

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