FR2475283A1 - Procede et dispositif pour la demagnetisation des aimants permanents - Google Patents

Procede et dispositif pour la demagnetisation des aimants permanents Download PDF

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Publication number
FR2475283A1
FR2475283A1 FR8101920A FR8101920A FR2475283A1 FR 2475283 A1 FR2475283 A1 FR 2475283A1 FR 8101920 A FR8101920 A FR 8101920A FR 8101920 A FR8101920 A FR 8101920A FR 2475283 A1 FR2475283 A1 FR 2475283A1
Authority
FR
France
Prior art keywords
demagnetization
capacitors
discharges
pulses
capacitor bank
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.)
Granted
Application number
FR8101920A
Other languages
English (en)
French (fr)
Other versions
FR2475283B3 (de
Inventor
Roland Nithardt
Zaverio Bottiroli
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.)
SISTEMI DISPOS MAGNET SDM
Original Assignee
SISTEMI DISPOS MAGNET SDM
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 SISTEMI DISPOS MAGNET SDM filed Critical SISTEMI DISPOS MAGNET SDM
Publication of FR2475283A1 publication Critical patent/FR2475283A1/fr
Application granted granted Critical
Publication of FR2475283B3 publication Critical patent/FR2475283B3/fr
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00Apparatus or processes for magnetising or demagnetising
    • H01F13/003Methods and devices for magnetising permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Treatment Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
FR8101920A 1980-02-06 1981-01-29 Procede et dispositif pour la demagnetisation des aimants permanents Granted FR2475283A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19720/80A IT1141165B (it) 1980-02-06 1980-02-06 Sistema e disposizione circuitale per la smagnetizzazione di magneti permanenti

Publications (2)

Publication Number Publication Date
FR2475283A1 true FR2475283A1 (fr) 1981-08-07
FR2475283B3 FR2475283B3 (de) 1982-11-26

Family

ID=11160643

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8101920A Granted FR2475283A1 (fr) 1980-02-06 1981-01-29 Procede et dispositif pour la demagnetisation des aimants permanents

Country Status (5)

Country Link
BE (1) BE886740A (de)
DE (1) DE3049351A1 (de)
FR (1) FR2475283A1 (de)
GB (1) GB2069259A (de)
IT (1) IT1141165B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG38909A1 (en) * 1982-07-27 1986-03-14 Makedonski Method and device for acting on ferromagnetic materials
US4621299A (en) * 1982-11-05 1986-11-04 General Kinetics Inc. High energy degausser
US4591943A (en) * 1983-05-26 1986-05-27 Electro-Matic Products Co. Apparatus for demagnetizing a chuck
JPS60171517A (ja) * 1984-02-16 1985-09-05 Hayashibara Takeshi 単一コイルによるνs磁束パルス発生装置
DE3609530C2 (de) * 1986-03-21 1995-08-31 Erich Dr Ing Steingroever Verfahren zum automatischen Einstellen des Arbeitspunktes von Dauermagneten
DE3613714A1 (de) * 1986-04-21 1987-10-22 Mannesmann Ag Verfahren und vorrichtung zum entmagnetisieren von staehlen
DE3625621C2 (de) * 1986-07-29 1995-03-16 Vallon Gmbh Anordnung zur Entmagnetisierung
DE3812458A1 (de) * 1988-04-14 1989-10-26 Masinostroitelen Eksperimental Vorrichtung zur magnet-impuls-behandlung von ferromagnetischen werkstoffen
WO1990003653A1 (en) * 1988-09-29 1990-04-05 Astec America Inc. Magnet molding apparatus and method
GB2320814B (en) * 1996-12-31 2000-11-29 Redcliffe Magtronics Ltd An apparatus for altering the magnetic state of a permanent magnet
DE10014383C2 (de) * 2000-03-23 2003-07-31 Micronas Munich Gmbh Entmagnetisierungsschaltung
DE10044800C2 (de) * 2000-09-11 2003-07-31 Infineon Technologies Ag Entmagnetisierungsschaltung
EP2175459B1 (de) * 2008-10-11 2012-07-25 Schunk GmbH & Co. KG Spann- und Greiftechnik Verfahren zur Bedienung einer Steuervorrichtung zur Erregung von mindestens einer Spule eines permanent magnetisierbaren Spannfutters und entsprechende Steuervorrichtung
EP2974820B1 (de) 2014-07-17 2017-04-12 Ewm Ag Lichtbogenschweißgerät, System und Verfahren zum Abmagnetisieren eines Metallrohres
DE102018127614A1 (de) * 2018-11-06 2020-05-07 Albert Maurer Vorrichtung zum Entmagnetisieren von ferromagnetischen Materialien
DE102023110352A1 (de) 2023-04-24 2024-10-24 Schaeffler Technologies AG & Co. KG Verfahren zur Herstellung eines Rotors, Computerprogrammprodukt, Steuereinheit und Entmagnetisierungsvorrichtung

Also Published As

Publication number Publication date
IT1141165B (it) 1986-10-01
DE3049351A1 (de) 1981-09-17
IT8019720A0 (it) 1980-02-06
FR2475283B3 (de) 1982-11-26
GB2069259A (en) 1981-08-19
BE886740A (fr) 1981-04-16

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Legal Events

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