GB1354387A - Permanent magnets - Google Patents

Permanent magnets

Info

Publication number
GB1354387A
GB1354387A GB5368371A GB5368371A GB1354387A GB 1354387 A GB1354387 A GB 1354387A GB 5368371 A GB5368371 A GB 5368371A GB 5368371 A GB5368371 A GB 5368371A GB 1354387 A GB1354387 A GB 1354387A
Authority
GB
United Kingdom
Prior art keywords
bars
magnetic
support
ferrite
paper
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
Application number
GB5368371A
Other languages
English (en)
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.)
SERMAG
Original Assignee
SERMAG
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 SERMAG filed Critical SERMAG
Publication of GB1354387A publication Critical patent/GB1354387A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/02—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting
    • H02K23/04—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by arrangement for exciting having permanent magnet excitation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/021—Construction of PM
    • H01F7/0215—Flexible forms, sheets
    • 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
    • H02K1/17—Stator cores with permanent magnets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Power Steering Mechanism (AREA)
GB5368371A 1970-11-18 1971-11-18 Permanent magnets Expired GB1354387A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7041301A FR2114151A5 (enrdf_load_stackoverflow) 1970-11-18 1970-11-18

Publications (1)

Publication Number Publication Date
GB1354387A true GB1354387A (en) 1974-06-05

Family

ID=9064321

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5368371A Expired GB1354387A (en) 1970-11-18 1971-11-18 Permanent magnets

Country Status (6)

Country Link
US (1) US3710291A (enrdf_load_stackoverflow)
DE (1) DE2158571A1 (enrdf_load_stackoverflow)
FR (1) FR2114151A5 (enrdf_load_stackoverflow)
GB (1) GB1354387A (enrdf_load_stackoverflow)
IT (1) IT940645B (enrdf_load_stackoverflow)
NL (1) NL7115880A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3406807A1 (de) * 1983-02-28 1984-10-04 Nippon Gakki Seizo K.K., Hamamatsu, Shizuoka Verfahren zur herstellung eines magneten
GB2152953A (en) * 1984-01-19 1985-08-14 Univ British Columbia Planar magnetron sputtering device
GB2223882A (en) * 1988-10-13 1990-04-18 Marconi Co Ltd Magnetic apparatus
DE19628722A1 (de) * 1996-07-17 1998-01-22 Esselte Meto Int Gmbh Vorrichtung zum Deaktivieren eines Sicherungselementes für die elektronische Artikelsicherung
DE29801073U1 (de) * 1998-01-23 1998-08-06 Wampfler AG, 79576 Weil am Rhein Ferritkern
US20100033036A1 (en) * 2006-10-13 2010-02-11 Black & Decker Inc. Motor With Permanent Magnets and Method of Manufacturing; Power Tool With Same
CN105947293A (zh) * 2016-06-28 2016-09-21 横店集团东磁股份有限公司 一种适用于磁瓦包装的自动化生产线及其实现方法

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4080542A (en) * 1974-04-08 1978-03-21 Photocircuits Division Of Kollmorgen Corporation High density flux magnetic circuit
US4002937A (en) * 1975-07-03 1977-01-11 Dickey-John Corporation Magnetic sensing device
US4091300A (en) * 1975-08-30 1978-05-23 Lucas Industries Limited Permanent magnet electrical machines
US4451811A (en) * 1979-07-30 1984-05-29 Litton Systems, Inc. Magnet structure
US4645960A (en) * 1979-07-30 1987-02-24 Litton Systems, Inc. Ferro-fluid bearing
DE3069509D1 (en) * 1979-08-16 1984-11-29 Inoue Japax Res Manufacture and use of magnetic scale systems
US4599826A (en) * 1984-03-05 1986-07-15 Institut Sverkhtverdykh Materialov Akademii Naukukrainskoi Ssr Device for magnetoabrasive machining of workpieces
US4834870A (en) * 1987-09-04 1989-05-30 Huron Valley Steel Corporation Method and apparatus for sorting non-ferrous metal pieces
DE3800703A1 (de) * 1988-01-13 1989-08-03 Beloit Corp Vorrichtung zum aufwickeln von bahnen
US4869811A (en) * 1988-07-05 1989-09-26 Huron Valley Steel Corporation Rotor for magnetically sorting different metals
JPH02101948A (ja) * 1988-10-05 1990-04-13 Hitachi Ltd 低速高トルクモータとその製造方法および界磁磁石
US5030344A (en) * 1989-07-24 1991-07-09 H.K. Research & Development, Inc. Magnetic fluid conditioner
IT1252066B (it) * 1991-11-25 1995-05-29 Ilpea Ind Spa Guarnizione magnetica adatta ad effettuare una tenuta tra una parte fissa ed una parte apribile
US5275292A (en) * 1992-05-18 1994-01-04 Brugger Richard D Eddy current separator
GB9215110D0 (en) * 1992-07-16 1992-08-26 Cookson Group Plc Method for the fabrication of multipole magnets
US5522513A (en) * 1994-03-30 1996-06-04 Howell; Billy R. Separator disc
US5556540A (en) * 1994-06-30 1996-09-17 Brunsting; William J. Magnetic assembly for a closed pressurized flow path of lubricating oil
DE29515302U1 (de) * 1995-09-25 1995-11-30 Rheinmagnet Horst Baermann GmbH, 53819 Neunkirchen-Seelscheid Magnetanordnung
US5714063A (en) * 1996-05-28 1998-02-03 Brunsting; William J. Apparatus for the removal of ferrous particles from liquids
DE19734303B4 (de) * 1997-08-08 2005-09-22 Siemens Ag Magnetrad
US7038343B2 (en) * 2002-02-22 2006-05-02 Black & Decker Inc. Field assembly for a motor and method of making same
US6903475B2 (en) * 2001-02-23 2005-06-07 Black & Decker Inc. Stator assembly with an overmolding that secures magnets to a flux ring and the flux ring to a stator housing
KR100533012B1 (ko) * 2004-01-10 2005-12-02 엘지전자 주식회사 왕복동식 모터의 고정자 구조
DE102006045950A1 (de) * 2006-09-26 2008-04-03 Thyssenkrupp Transrapid Gmbh Magnetanordnung für Magnetschwebefahrzeuge und Verfahren zu ihrer Herstellung
FR2910194B1 (fr) * 2006-12-15 2015-03-06 Valeo Equip Electr Moteur Machine electrique tournante, notamment pour demarreur de vehicule automobile
CN102742131B (zh) * 2008-05-23 2014-12-10 松下电器产业株式会社 连续控制各向异性方向的稀土-铁类环形磁铁的制造方法
DE102009021703B4 (de) * 2009-05-18 2013-08-14 Compact Dynamics Gmbh Verbesserte Permanenterregte Synchronmaschine
WO2011145088A2 (en) * 2010-05-16 2011-11-24 Gooper Hermetic Ltd. Flexible magnetic sealing apparatus
US10491087B2 (en) * 2013-10-01 2019-11-26 Whirlpool Corporation Method of manufacturing a rotor for an electric motor for a washing machine
US10008325B2 (en) * 2015-06-08 2018-06-26 Apple Inc. Thin magnet fabrication
US10993505B1 (en) * 2019-08-29 2021-05-04 Frank Dale Boxberger Flexible magnetic fastening apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE842817C (de) * 1950-04-23 1952-07-03 Deutsche Edelstahlwerke Ag Verfahren zur Herstellung von Magneten mit Eisenleitteilen
US2958019A (en) * 1956-09-17 1960-10-25 Indiana General Corp Magnetic pad assembly
GB875807A (en) * 1957-02-09 1961-08-23 Baermann Max Improvements in or relating to permanent magnets
US3173066A (en) * 1961-06-22 1965-03-09 Gen Motors Corp Magnetic sealing strip
DE1251808B (de) * 1961-11-13 1967-10-12 AMP Incorporated, Harrisburg Pa (V St A) Verfahren zur Herstellung von Magnetkern Speicheranordnungen und Anordnung zur Ausfuhrung des Verfahrens
US3368275A (en) * 1962-07-03 1968-02-13 Syncro Corp Casting, machining, and assembling a magnetic motor ring structure

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3406807A1 (de) * 1983-02-28 1984-10-04 Nippon Gakki Seizo K.K., Hamamatsu, Shizuoka Verfahren zur herstellung eines magneten
GB2152953A (en) * 1984-01-19 1985-08-14 Univ British Columbia Planar magnetron sputtering device
GB2223882A (en) * 1988-10-13 1990-04-18 Marconi Co Ltd Magnetic apparatus
DE19628722A1 (de) * 1996-07-17 1998-01-22 Esselte Meto Int Gmbh Vorrichtung zum Deaktivieren eines Sicherungselementes für die elektronische Artikelsicherung
DE29801073U1 (de) * 1998-01-23 1998-08-06 Wampfler AG, 79576 Weil am Rhein Ferritkern
US20100033036A1 (en) * 2006-10-13 2010-02-11 Black & Decker Inc. Motor With Permanent Magnets and Method of Manufacturing; Power Tool With Same
US8823234B2 (en) * 2006-10-13 2014-09-02 Black & Decker Inc. Motor with permanent magnets having essentially the same inner and outer radius; and method of manufacturing a motor stator housing with permanent magnets
CN105947293A (zh) * 2016-06-28 2016-09-21 横店集团东磁股份有限公司 一种适用于磁瓦包装的自动化生产线及其实现方法
CN105947293B (zh) * 2016-06-28 2018-07-20 横店集团东磁股份有限公司 一种适用于磁瓦包装的自动化生产线及其实现方法

Also Published As

Publication number Publication date
IT940645B (it) 1973-02-20
FR2114151A5 (enrdf_load_stackoverflow) 1972-06-30
US3710291A (en) 1973-01-09
DE2158571A1 (de) 1972-06-08
NL7115880A (enrdf_load_stackoverflow) 1972-05-23

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed