JPH0439078U - - Google Patents

Info

Publication number
JPH0439078U
JPH0439078U JP1990078901U JP7890190U JPH0439078U JP H0439078 U JPH0439078 U JP H0439078U JP 1990078901 U JP1990078901 U JP 1990078901U JP 7890190 U JP7890190 U JP 7890190U JP H0439078 U JPH0439078 U JP H0439078U
Authority
JP
Japan
Prior art keywords
stators
pulse motor
type pulse
gap
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.)
Pending
Application number
JP1990078901U
Other languages
English (en)
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 JP1990078901U priority Critical patent/JPH0439078U/ja
Priority to US07/731,262 priority patent/US5260616A/en
Priority to EP91306738A priority patent/EP0468763B1/en
Priority to DE69102222T priority patent/DE69102222T2/de
Publication of JPH0439078U publication Critical patent/JPH0439078U/ja
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Description

【図面の簡単な説明】
第１図は、ステータに形成される磁路を示す要
部断面図、第２図は、本考案の一実施例を示すＰ
Ｍ型パルスモータの分解斜視図、第３図は、各ス
テータが対向する面間に空気層を介在させる手段
の変形例を示すステータ部材の斜視図、第４図〜
第８図は従来例を示し、第４図は、ＰＭ型パルス
モータの構成を示す分解斜視図、第５図は、ＰＭ
型パルスモータの断面図、第６図は、磁極歯の詳
細を示す断面図、第７図は、磁路の詳細を示す断
面図、第８図は、磁束とうず電流との関係を示す
模式的な斜視図である。 ２……コイルアツセンブリ、６……コイルアツ
センブリ、２１……ステータ部材、２１ａ……磁
極歯、２１ｂ……内ヨーク、２２……ステータ部
材、２２ａ……磁極歯、２２ｂ……内ヨーク、２
３……空気層、２４……第３の磁路、２５……主
磁路、２６……主磁路、３１……ステータ部材、
３２……ステータ部材。

Claims (1)

  1. 【実用新案登録請求の範囲】 内周面に磁極歯が形成されているリング状のス
    テータを２個重ねて配設するとともに、上記ステ
    ータの中心に永久磁石よりなるロータを回転自在
    に支持し、上記２個のステータで回転磁界を発生
    させて上記ロータを駆動するようにしたＰＭ型パ
    ルスモータにおいて、 上記２個のステータが互いに対向する面間に間
    隙を設け、これらのステータとステータとの間に
    空気層を介在させたことを特徴とするＰＭ型パル
    スモータ。
JP1990078901U 1990-07-25 1990-07-25 Pending JPH0439078U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1990078901U JPH0439078U (ja) 1990-07-25 1990-07-25
US07/731,262 US5260616A (en) 1990-07-25 1991-07-17 Permanent magnet type stepping motor
EP91306738A EP0468763B1 (en) 1990-07-25 1991-07-24 Permanent magnet type stepping motor
DE69102222T DE69102222T2 (de) 1990-07-25 1991-07-24 Schrittmotor vom Permanentmagnet-Typ.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990078901U JPH0439078U (ja) 1990-07-25 1990-07-25

Publications (1)

Publication Number Publication Date
JPH0439078U true JPH0439078U (ja) 1992-04-02

Family

ID=13674730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990078901U Pending JPH0439078U (ja) 1990-07-25 1990-07-25

Country Status (4)

Country Link
US (1) US5260616A (ja)
EP (1) EP0468763B1 (ja)
JP (1) JPH0439078U (ja)
DE (1) DE69102222T2 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0638414A (ja) * 1992-07-14 1994-02-10 Daido Steel Co Ltd リング状磁石をそなえたロータ
US5808390A (en) * 1992-11-10 1998-09-15 Seiko Epson Corporation Brushless DC motor
CN1062092C (zh) * 1994-12-28 2001-02-14 株式会社三协精机制作所 小型电动机
US6060800A (en) * 1995-07-12 2000-05-09 Minebea Co., Ltd. Motor structure
US5954418A (en) * 1995-07-17 1999-09-21 Prineppi; Frank Joseph Synchronous motor with solid rotor axially displaced relative to coil
JP3052304B2 (ja) * 1995-11-17 2000-06-12 日本精機株式会社 ステッピングモータ
JP3978980B2 (ja) * 1999-09-22 2007-09-19 セイコーエプソン株式会社 Ｐｍ形ステッピングモータ
JP4641595B2 (ja) * 2000-07-14 2011-03-02 日本電産コパル株式会社 クローポール永久磁石型ステッピングモータ
US6337528B1 (en) * 2000-08-30 2002-01-08 Wu-Chung Jung Roller with self-contained generator device
CN2599289Y (zh) * 2002-12-27 2004-01-14 萧呈方 散热风扇
JP2006311708A (ja) * 2005-04-28 2006-11-09 Valeo Thermal Systems Japan Corp ステッピングモータ
US7608965B2 (en) * 2005-09-01 2009-10-27 Wisconsin Alumni Research Foundation Field controlled axial flux permanent magnet electrical machine
TWM343332U (en) * 2008-05-13 2008-10-21 Tricore Corp Motor structure capable of reducing magnetic path interference
JP6116298B2 (ja) * 2013-03-15 2017-04-19 本田技研工業株式会社 回転電機ユニットの配置構造
CN211830366U (zh) * 2020-03-06 2020-10-30 瑞声通讯科技(常州)有限公司 一种步进电机

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548633A (en) * 1947-08-28 1951-04-10 Gen Electric Dynamoelectric machine
JPS6012870B2 (ja) * 1975-03-28 1985-04-03 富士電気化学株式会社 パルスモ−タ
JPS5658750A (en) * 1979-10-18 1981-05-21 Fuji Elelctrochem Co Ltd Digital control type brushless constant speed motor
US4480614A (en) * 1980-10-06 1984-11-06 Toyota Jidosha K.K. Idling speed control device of an internal combustion engine
US4355248A (en) * 1981-07-21 1982-10-19 Imc Magnetics Corp. Stepper motor
US4438361A (en) * 1982-02-24 1984-03-20 Imc Magnetics Corp. Stepper motor having rotor with limited axial movement
DE3238262A1 (de) * 1982-10-15 1984-04-19 Vdo Adolf Schindling Ag, 6000 Frankfurt Mehrphasenschrittmotor
JP2563243B2 (ja) * 1984-11-08 1996-12-11 松下電器産業株式会社 ステツピングモ−タ
US4672247A (en) * 1984-12-27 1987-06-09 North American Philips Corporation Synchronous or stepping motor with equal-torque stepping
JPS6343562A (ja) * 1986-08-06 1988-02-24 Tokyo Electric Co Ltd ステツピングモ−タ
JPH0193979U (ja) * 1987-12-15 1989-06-21
JPH01283049A (ja) * 1988-05-10 1989-11-14 Oki Electric Ind Co Ltd パルスモータ

Also Published As

Publication number Publication date
EP0468763B1 (en) 1994-06-01
DE69102222T2 (de) 1994-11-10
DE69102222D1 (de) 1994-07-07
US5260616A (en) 1993-11-09
EP0468763A1 (en) 1992-01-29

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