JPH0257277U - - Google Patents

Info

Publication number
JPH0257277U
JPH0257277U JP13637488U JP13637488U JPH0257277U JP H0257277 U JPH0257277 U JP H0257277U JP 13637488 U JP13637488 U JP 13637488U JP 13637488 U JP13637488 U JP 13637488U JP H0257277 U JPH0257277 U JP H0257277U
Authority
JP
Japan
Prior art keywords
side yoke
drive device
electromagnetic drive
yoke
magnetic circuit
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
JP13637488U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP13637488U priority Critical patent/JPH0257277U/ja
Publication of JPH0257277U publication Critical patent/JPH0257277U/ja
Pending legal-status Critical Current

Links

Description

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

第１図は本考案の対象である電磁駆動装置の例
を示す平面図、第２図は第１図におけるＡ矢視図
、第３図は本考案の対象である他の電磁駆動装置
の例を示す要部正面図、第４図は本考案の対象で
ある更に他の電磁駆動装置の例を示す要部断面図
、第５図ａ，ｂは第４図におけるヨークの斜視図
、第６図ａは本考案の実施例におけるサイドヨー
クを示す平面図、第６図ｂは同正面図、第６図ｃ
は第６図ａにおけるＢ―Ｂ線断面図、第６図ｄ，
ｅは各々第６図ｃにおけるＣ―Ｃ線断面図および
Ｄ―Ｄ線断面図である。 １，１１，２１：ヨーク、２，１５，１５′，
２４：永久磁石、１２，２２，３１：サイドヨー
ク、１３，２３：センターヨーク、１６，２６：
可動コイル。 Fig. 1 is a plan view showing an example of an electromagnetic drive device that is the subject of the present invention, Fig. 2 is a view taken in the direction of arrow A in Fig. 1, and Fig. 3 is an example of another electromagnetic drive device that is the subject of the present invention. FIG. 4 is a sectional view of essential parts showing another example of an electromagnetic drive device which is the object of the present invention, FIGS. 5a and 5b are perspective views of the yoke in FIG. 4, and FIG. Figure a is a plan view showing a side yoke in an embodiment of the present invention, Figure 6 b is a front view of the same, Figure 6 c
are a sectional view taken along the line B-B in Figure 6a, Figure 6d,
6e are a sectional view taken along the line CC and a sectional view taken along the line DD in FIG. 6c, respectively. 1, 11, 21: York, 2, 15, 15',
24: Permanent magnet, 12, 22, 31: Side yoke, 13, 23: Center yoke, 16, 26:
moving coil.

Claims (1)

【実用新案登録請求の範囲】 (1) 内部に空間を有するサイドヨークの対向す
る内側面に永久磁石を設けると共に、永久磁石間
に形成された間隙内に可動コイルを移動自在に介
装させてなる電磁駆動装置において、サイドヨー
クを射出成形粉末冶金一体品によつて形成したこ
とを特徴とする電磁駆動装置。 (2) 内部に空間を有するサイドヨークの対向す
る内側面に永久磁石を設けると共に、前記空間の
中央に可動コイルを移動自在に介装させたセンタ
ーヨークを前記サイドヨークの一部と磁気的に結
合して磁気回路を構成してなる電磁駆動装置にお
いて、磁気回路を構成する少なくともサイドヨー
クを射出成形粉末冶金一体品によつて形成したこ
とを特徴とする電磁駆動装置。[Claims for Utility Model Registration] (1) Permanent magnets are provided on opposing inner surfaces of a side yoke having a space inside, and a movable coil is movably interposed in the gap formed between the permanent magnets. What is claimed is: 1. An electromagnetic drive device characterized in that a side yoke is formed from an integral injection molded powder metallurgy product. (2) A permanent magnet is provided on the opposing inner surfaces of a side yoke having a space inside, and a center yoke, in which a movable coil is movably interposed in the center of the space, is magnetically connected to a part of the side yoke. What is claimed is: 1. An electromagnetic drive device in which at least a side yoke constituting the magnetic circuit is formed by an integral injection molded powder metallurgy product in an electromagnetic drive device formed by combining two parts to form a magnetic circuit.
JP13637488U 1988-10-19 1988-10-19 Pending JPH0257277U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13637488U JPH0257277U (en) 1988-10-19 1988-10-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13637488U JPH0257277U (en) 1988-10-19 1988-10-19

Publications (1)

Publication Number Publication Date
JPH0257277U true JPH0257277U (en) 1990-04-25

Family

ID=31396822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13637488U Pending JPH0257277U (en) 1988-10-19 1988-10-19

Country Status (1)

Country Link
JP (1) JPH0257277U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000062406A1 (en) * 1999-04-13 2000-10-19 Matsushita Electric Industrial Co., Ltd. Linear motor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165614A (en) * 1979-06-12 1980-12-24 Fujitsu Ltd Manufacture of magnetic circuit
JPS6184006A (en) * 1984-10-01 1986-04-28 Hitachi Ltd Production of rotary transformer
JPS61220315A (en) * 1985-03-26 1986-09-30 Japan Steel Works Ltd:The Manufacture of magnetic molded body

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55165614A (en) * 1979-06-12 1980-12-24 Fujitsu Ltd Manufacture of magnetic circuit
JPS6184006A (en) * 1984-10-01 1986-04-28 Hitachi Ltd Production of rotary transformer
JPS61220315A (en) * 1985-03-26 1986-09-30 Japan Steel Works Ltd:The Manufacture of magnetic molded body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000062406A1 (en) * 1999-04-13 2000-10-19 Matsushita Electric Industrial Co., Ltd. Linear motor

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