CH623194B - Rotoraufbau fuer einen schrittmotor. - Google Patents

Rotoraufbau fuer einen schrittmotor.

Info

Publication number
CH623194B
CH623194B CH617978A CH617978A CH623194B CH 623194 B CH623194 B CH 623194B CH 617978 A CH617978 A CH 617978A CH 617978 A CH617978 A CH 617978A CH 623194 B CH623194 B CH 623194B
Authority
CH
Switzerland
Prior art keywords
rotor assembly
stepper motor
rotor
protecting member
hub portion
Prior art date
Application number
CH617978A
Other languages
English (en)
Other versions
CH623194GA3 (de
Inventor
Katsuya Masuda
Asao Saito
Original Assignee
Citizen Watch Co Ltd
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 of CH623194B publication Critical patent/CH623194B/de
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Publication of CH623194GA3 publication Critical patent/CH623194GA3/xx

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
    • H02K37/16—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 having horseshoe armature cores
    • 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
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H02K1/2733—Annular magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Electromechanical Clocks (AREA)
  • Lens Barrels (AREA)
  • Windings For Motors And Generators (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
CH617978A 1977-06-07 1978-06-06 Rotoraufbau fuer einen schrittmotor. CH623194B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6696677A JPS541809A (en) 1977-06-07 1977-06-07 Rotor magnetic and its manufacture

Publications (2)

Publication Number Publication Date
CH623194B true CH623194B (de)
CH623194GA3 CH623194GA3 (de) 1981-05-29

Family

ID=13331263

Family Applications (1)

Application Number Title Priority Date Filing Date
CH617978A CH623194B (de) 1977-06-07 1978-06-06 Rotoraufbau fuer einen schrittmotor.

Country Status (4)

Country Link
US (1) US4250421A (de)
JP (1) JPS541809A (de)
CH (1) CH623194B (de)
GB (1) GB1600767A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814143B2 (ja) * 1977-08-10 1983-03-17 株式会社精工舎 小型モ−タ用ロ−タの製造方法
FR2499326A1 (fr) * 1981-02-04 1982-08-06 Advolotkin Nikolai Rotor d'une machine electrique a grande vitesse
JPS6096961U (ja) * 1983-12-08 1985-07-02 株式会社三協精機製作所 小型モ−タ用のロ−タ
JPS60153943A (ja) * 1984-01-23 1985-08-13 Agency Of Ind Science & Technol 金属成分−炭素繊維複合体
JPS62202530U (de) * 1986-06-13 1987-12-24
US4700091A (en) * 1986-08-22 1987-10-13 Timex Corporation Bipolar stepping motor rotor with drive pinion and method of manufacture
JP2555782B2 (ja) * 1991-01-31 1996-11-20 豊田合成株式会社 モール及びその製造方法
DE19617134A1 (de) * 1996-04-29 1997-10-30 Siemens Ag Anordnung eines ringförmigen Dauermagneten auf einer Welle
TW383249B (en) * 1998-09-01 2000-03-01 Sumitomo Spec Metals Cutting method for rare earth alloy by annular saw and manufacturing for rare earth alloy board
DE19846501A1 (de) * 1998-10-09 2000-04-13 Bosch Gmbh Robert Elektrischer Motor
JP2001275314A (ja) * 2000-03-24 2001-10-05 Seiko Precision Inc ロータ磁石およびモータおよびステッピングモータ
DE10126730A1 (de) * 2001-05-31 2003-01-02 Sachsenwerk Gmbh Rotierende oder lineare elektrische Maschine mit Permanentmagneterregung insbesondere mit vorgefertigten Permanentmagneten
CN100423140C (zh) * 2004-12-21 2008-10-01 Tdk株式会社 圆筒形烧结磁铁、电机及圆筒形烧结磁铁的制造方法
JP5928988B2 (ja) * 2013-06-05 2016-06-01 カシオ計算機株式会社 ロータの製造方法
US20150270747A1 (en) * 2014-03-24 2015-09-24 The Texas A&M University System System and method for controlling multiphase electric motors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3872334A (en) * 1972-04-14 1975-03-18 Robert J Loubier Integral rotor and gear assembly
US3909647A (en) * 1973-06-22 1975-09-30 Bendix Corp Rotor assembly for permanent magnet generator
JPS5088516A (de) * 1973-12-10 1975-07-16
JPS5147206A (en) * 1974-10-21 1976-04-22 Seiko Instr & Electronics Kogatamootano roota
US4095129A (en) * 1975-09-22 1978-06-13 Citizen Watch Company Limited Rotor assembly for electro-mechanical transducer of electronic timepiece
US4060745A (en) * 1976-03-25 1977-11-29 Sundstrand Corporation Structure for attaching a permanent magnet to a rotating shaft

Also Published As

Publication number Publication date
CH623194GA3 (de) 1981-05-29
GB1600767A (en) 1981-10-21
US4250421A (en) 1981-02-10
JPS541809A (en) 1979-01-09

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