JPS6135577U - direct drive motor - Google Patents

direct drive motor

Info

Publication number
JPS6135577U
JPS6135577U JP12080384U JP12080384U JPS6135577U JP S6135577 U JPS6135577 U JP S6135577U JP 12080384 U JP12080384 U JP 12080384U JP 12080384 U JP12080384 U JP 12080384U JP S6135577 U JPS6135577 U JP S6135577U
Authority
JP
Japan
Prior art keywords
direct drive
drive motor
excitation coil
yoke
ferromagnetic
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.)
Granted
Application number
JP12080384U
Other languages
Japanese (ja)
Other versions
JPH0431824Y2 (en
Inventor
直道 鈴木
Original Assignee
株式会社フジクラ
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 株式会社フジクラ filed Critical 株式会社フジクラ
Priority to JP12080384U priority Critical patent/JPS6135577U/en
Publication of JPS6135577U publication Critical patent/JPS6135577U/en
Application granted granted Critical
Publication of JPH0431824Y2 publication Critical patent/JPH0431824Y2/ja
Granted legal-status Critical Current

Links

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) [Summary] 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 drawings]

第１図は本考案の一実施例によるダイレクト・ドライブ
・モータの要部の構成を示す断面図、第２図は第１図の
分解斜視図、第３図は値ａ， ｂ，Ｃを説明するための
断面図、第４図〜第６図は付加ヨークの変形例の構成を
示す断面図、第７図は従来のダイレクト・ドライブ・モ
ータの要部の構成を示す正断面図である。 １１・・・・・・基板、１２・・・・・・金属コア（強
磁性体コア）、１５，２１・・・・・・凹部、１６・・
・・・・励磁コイル、１７，２２，２３，２４・・・・
・・付加ヨーク、１８・・・・・・回転子マグネット。Fig. 1 is a sectional view showing the configuration of the main parts of a direct drive motor according to an embodiment of the present invention, Fig. 2 is an exploded perspective view of Fig. 1, and Fig. 3 explains the values a, b, and C. FIGS. 4 to 6 are cross-sectional views showing the structure of modified examples of the additional yoke, and FIG. 7 is a front cross-sectional view showing the structure of the main parts of a conventional direct drive motor. 11... Substrate, 12... Metal core (ferromagnetic core), 15, 21... Concavity, 16...
...Exciting coil, 17, 22, 23, 24...
...Additional yoke, 18...Rotor magnet.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）強磁性体をコアとし、励磁コイルを収納するため
の凹部を有する基板と、前記励磁コイルとの相互作用に
よって回転トルクを生じる回転子マグネットと、一部ま
たは全体が前記励磁コイルと回転子マグネットとの間に
位置する強磁性体製の付加ヨークとを具備することを特
徴とするダイレクト・ドライブ●モータ。(1) A substrate having a core made of ferromagnetic material and having a recessed portion for accommodating an excitation coil, a rotor magnet that generates rotational torque through interaction with the excitation coil, and a rotor magnet that partially or entirely rotates with the excitation coil. A direct drive motor characterized by being equipped with an additional yoke made of ferromagnetic material located between the child magnet and the yoke. （２）前記付加ヨークは、前記強磁性体コアの材質より
も高透磁率および／または低ヒステリシス損の材質から
なることを特徴とする実用新案登録請求の範囲第１項記
載のダイレクト・ドライブ●モータ。(2) The direct drive according to claim 1, wherein the additional yoke is made of a material with higher magnetic permeability and/or lower hysteresis loss than the material of the ferromagnetic core. motor.
JP12080384U 1984-08-06 1984-08-06 direct drive motor Granted JPS6135577U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12080384U JPS6135577U (en) 1984-08-06 1984-08-06 direct drive motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12080384U JPS6135577U (en) 1984-08-06 1984-08-06 direct drive motor

Publications (2)

Publication Number Publication Date
JPS6135577U true JPS6135577U (en) 1986-03-05
JPH0431824Y2 JPH0431824Y2 (en) 1992-07-30

Family

ID=30679614

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12080384U Granted JPS6135577U (en) 1984-08-06 1984-08-06 direct drive motor

Country Status (1)

Country Link
JP (1) JPS6135577U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0444388U (en) * 1990-08-10 1992-04-15

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4878309U (en) * 1971-12-27 1973-09-27
JPS56106080U (en) * 1980-01-16 1981-08-18
JPS57152560A (en) * 1981-03-16 1982-09-20 Toshiba Corp Magnetic shielding device of tape recorder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4878309U (en) * 1971-12-27 1973-09-27
JPS56106080U (en) * 1980-01-16 1981-08-18
JPS57152560A (en) * 1981-03-16 1982-09-20 Toshiba Corp Magnetic shielding device of tape recorder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0444388U (en) * 1990-08-10 1992-04-15

Also Published As

Publication number Publication date
JPH0431824Y2 (en) 1992-07-30

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