JP4047317B2 - ステッピングモータ - Google Patents

ステッピングモータ Download PDF

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Publication number
JP4047317B2
JP4047317B2 JP2004266828A JP2004266828A JP4047317B2 JP 4047317 B2 JP4047317 B2 JP 4047317B2 JP 2004266828 A JP2004266828 A JP 2004266828A JP 2004266828 A JP2004266828 A JP 2004266828A JP 4047317 B2 JP4047317 B2 JP 4047317B2
Authority
JP
Japan
Prior art keywords
magnetic pole
coil
magnet
outer magnetic
rotor
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.)
Expired - Fee Related
Application number
JP2004266828A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006087168A (ja
JP2006087168A5 (enExample
Inventor
雅夫 水牧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2004266828A priority Critical patent/JP4047317B2/ja
Priority to US11/225,538 priority patent/US7183676B2/en
Publication of JP2006087168A publication Critical patent/JP2006087168A/ja
Publication of JP2006087168A5 publication Critical patent/JP2006087168A5/ja
Application granted granted Critical
Publication of JP4047317B2 publication Critical patent/JP4047317B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1672—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/12—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets
    • H02K37/14—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1677—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
JP2004266828A 2004-09-14 2004-09-14 ステッピングモータ Expired - Fee Related JP4047317B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004266828A JP4047317B2 (ja) 2004-09-14 2004-09-14 ステッピングモータ
US11/225,538 US7183676B2 (en) 2004-09-14 2005-09-13 Stepping motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004266828A JP4047317B2 (ja) 2004-09-14 2004-09-14 ステッピングモータ

Publications (3)

Publication Number Publication Date
JP2006087168A JP2006087168A (ja) 2006-03-30
JP2006087168A5 JP2006087168A5 (enExample) 2007-10-04
JP4047317B2 true JP4047317B2 (ja) 2008-02-13

Family

ID=36033150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004266828A Expired - Fee Related JP4047317B2 (ja) 2004-09-14 2004-09-14 ステッピングモータ

Country Status (2)

Country Link
US (1) US7183676B2 (enExample)
JP (1) JP4047317B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4748660B2 (ja) * 2005-07-25 2011-08-17 キヤノン株式会社 駆動装置
JP2007325488A (ja) * 2006-05-01 2007-12-13 Nidec Sankyo Corp ステッピングモータ
WO2008023575A2 (en) * 2006-08-24 2008-02-28 Panasonic Corporation Optical disk recording/reproducing device and optical head
JP6100509B2 (ja) * 2012-02-29 2017-03-22 ミネベアミツミ株式会社 ステッピングモータ
JP6066713B2 (ja) * 2012-12-19 2017-01-25 ミネベア株式会社 ステッピングモータ

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1896265A (en) * 1932-03-31 1933-02-07 Wagner Electric Corp Dynamo electric machine construction
JP2932674B2 (ja) * 1990-10-31 1999-08-09 ソニー株式会社 ステツピングモータの製造方法
US5384506A (en) * 1992-05-29 1995-01-24 Canon Kabushiki Kaisha Stepper motor
JPH08242572A (ja) * 1995-02-28 1996-09-17 Japan Servo Co Ltd ３相永久磁石式回転電機
JP3133270B2 (ja) 1996-04-08 2001-02-05 キヤノン株式会社 モータ及び繰出し装置
US5831356A (en) 1996-04-08 1998-11-03 Canon Kabushiki Kaisha Compact cylindrical stepping motor and advancing device
JP3548370B2 (ja) 1997-02-17 2004-07-28 キヤノン株式会社 モータ
SG90135A1 (en) 1999-03-30 2002-07-23 Canon Kk Motor
JP3517603B2 (ja) 1999-03-30 2004-04-12 キヤノン電子株式会社 モータ
US6979918B2 (en) * 2002-12-20 2005-12-27 Canon Kabushiki Kaisha Actuator

Also Published As

Publication number Publication date
US7183676B2 (en) 2007-02-27
JP2006087168A (ja) 2006-03-30
US20060055253A1 (en) 2006-03-16

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