JPH0244872U - - Google Patents

Info

Publication number
JPH0244872U
JPH0244872U JP12047588U JP12047588U JPH0244872U JP H0244872 U JPH0244872 U JP H0244872U JP 12047588 U JP12047588 U JP 12047588U JP 12047588 U JP12047588 U JP 12047588U JP H0244872 U JPH0244872 U JP H0244872U
Authority
JP
Japan
Prior art keywords
stator
convex
rotor
drive coil
poles
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
JP12047588U
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 JP12047588U priority Critical patent/JPH0244872U/ja
Publication of JPH0244872U publication Critical patent/JPH0244872U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Brushless Motors (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Description

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

第１図は、本考案のブラシレスモータの一部破
断斜視図である。第２図は、第１図のブラシレス
モータの断面図である。第３図は、従来のブラシ
レスモータの一部破断斜視図である。 １……ロータ、２……ロータヨーク、３……永
久磁石、４……回転軸、５……ステータ、６……
ステータコア、７……凸極、８……切欠部、９…
…駆動コイル、１０……軸受ホルダ、１１……軸
受、１２……回路基板、１３……回路部品、１４
……ダミーコア。 FIG. 1 is a partially cutaway perspective view of the brushless motor of the present invention. FIG. 2 is a sectional view of the brushless motor of FIG. 1. FIG. 3 is a partially cutaway perspective view of a conventional brushless motor. 1... Rotor, 2... Rotor yoke, 3... Permanent magnet, 4... Rotating shaft, 5... Stator, 6...
Stator core, 7... Convex pole, 8... Notch, 9...
... Drive coil, 10 ... Bearing holder, 11 ... Bearing, 12 ... Circuit board, 13 ... Circuit component, 14
...Dummy core.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数個の磁極が着磁された永久磁石より成るロ
ータと、該ロータに対向する複数個の凸極と該凸
極のいくつかを切欠いた切欠部を設け且つ前記凸
極に駆動コイルが巻装されたステータコアと該ス
テータコアを載置し且つ前記ロータの回転軸を軸
支する軸受を有する軸受ホルダと該軸受ホルダの
周囲に配設され且つ少なくとも前記駆動コイルを
励磁するための駆動回路を構成する回路部品が載
置された回路基板とにより成るステータとにより
構成され、前記凸極を切欠いた切欠部に前記回路
部品の一部又は全部を収納すると共に、前記凸極
を切欠いた部分に対応して前記駆動コイルが巻装
されないダミーコアを設けた事を特徴とするブラ
シレスモータ。 A rotor made of a permanent magnet with a plurality of magnetic poles magnetized, a plurality of convex poles facing the rotor, and a notch portion formed by cutting out some of the convex poles, and a drive coil is wound around the convex poles. the stator core, a bearing holder having a bearing on which the stator core is mounted and which pivotally supports the rotating shaft of the rotor, and a drive circuit disposed around the bearing holder and for exciting at least the drive coil. A stator comprising a circuit board on which circuit components are placed, and a stator formed by a circuit board on which circuit components are mounted, and a part or all of the circuit components are accommodated in a notch cut out of the convex pole, and the stator corresponds to the cutout part of the convex pole. A brushless motor characterized in that a dummy core is provided on which the drive coil is not wound.
JP12047588U 1988-09-16 1988-09-16 Pending JPH0244872U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12047588U JPH0244872U (en) 1988-09-16 1988-09-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12047588U JPH0244872U (en) 1988-09-16 1988-09-16

Publications (1)

Publication Number Publication Date
JPH0244872U true JPH0244872U (en) 1990-03-28

Family

ID=31366617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12047588U Pending JPH0244872U (en) 1988-09-16 1988-09-16

Country Status (1)

Country Link
JP (1) JPH0244872U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10243582A (en) * 1997-02-21 1998-09-11 Mitsubishi Electric Corp Motor
JPH11102568A (en) * 1997-09-29 1999-04-13 Mitsubishi Electric Corp Magnetic recording apparatus
JP2008293649A (en) * 2008-08-06 2008-12-04 Panasonic Corp Spindle motor and disk-shaped medium device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10243582A (en) * 1997-02-21 1998-09-11 Mitsubishi Electric Corp Motor
JPH11102568A (en) * 1997-09-29 1999-04-13 Mitsubishi Electric Corp Magnetic recording apparatus
JP2008293649A (en) * 2008-08-06 2008-12-04 Panasonic Corp Spindle motor and disk-shaped medium device

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