FI75446C - Magnetisk skivkrets med fast luftgap och regleringsfoerfarande foer luftgapet. - Google Patents

Magnetisk skivkrets med fast luftgap och regleringsfoerfarande foer luftgapet. Download PDF

Info

Publication number
FI75446C
FI75446C FI812017A FI812017A FI75446C FI 75446 C FI75446 C FI 75446C FI 812017 A FI812017 A FI 812017A FI 812017 A FI812017 A FI 812017A FI 75446 C FI75446 C FI 75446C
Authority
FI
Finland
Prior art keywords
air gap
shaped part
shaped
lamellae
obtuse angle
Prior art date
Application number
FI812017A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI812017L (fi
FI75446B (fi
Inventor
Gilles Desombre
Marc Dujardin
Gerard Haroux
Original Assignee
Clarel Sa
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 Clarel Sa filed Critical Clarel Sa
Publication of FI812017L publication Critical patent/FI812017L/fi
Application granted granted Critical
Publication of FI75446B publication Critical patent/FI75446B/fi
Publication of FI75446C publication Critical patent/FI75446C/fi

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F3/14—Constrictions; Gaps, e.g. air-gaps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Paper (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Magnetic Heads (AREA)
  • Control Of Electric Motors In General (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Magnetically Actuated Valves (AREA)
  • Electron Tubes For Measurement (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Magnetic Treatment Devices (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Traffic Control Systems (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
FI812017A 1980-06-30 1981-06-26 Magnetisk skivkrets med fast luftgap och regleringsfoerfarande foer luftgapet. FI75446C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP80400979A EP0042898B1 (de) 1980-06-30 1980-06-30 Geblechter Magnetkern mit Luftspalt und Verfahren zum Justieren des Luftspalts
EP80400979 1980-06-30

Publications (3)

Publication Number Publication Date
FI812017L FI812017L (fi) 1981-12-31
FI75446B FI75446B (fi) 1988-02-29
FI75446C true FI75446C (fi) 1988-06-09

Family

ID=8187379

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812017A FI75446C (fi) 1980-06-30 1981-06-26 Magnetisk skivkrets med fast luftgap och regleringsfoerfarande foer luftgapet.

Country Status (10)

Country Link
EP (1) EP0042898B1 (de)
AT (1) ATE9749T1 (de)
DE (1) DE3069353D1 (de)
DK (1) DK244581A (de)
ES (1) ES272474Y (de)
FI (1) FI75446C (de)
GR (1) GR74360B (de)
IE (1) IE51834B1 (de)
NO (1) NO812219L (de)
PT (1) PT73282B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4480377A (en) * 1982-09-27 1984-11-06 General Motors Corporation Method of making an ignition coil core
DE19645098C2 (de) * 1996-11-01 2000-09-21 Vossloh Schwabe Gmbh Drossel und Verfahren zu deren Herstellung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1054551A (de) * 1954-02-11
FR942323A (fr) * 1941-01-28 1949-02-04 Thomson Houston Comp Francaise Perfectionnements à la construction des noyaux magnétiques
US3071744A (en) * 1954-12-14 1963-01-01 Advance Transformer Co Electromagnetic core construction
US3219957A (en) * 1957-12-03 1965-11-23 Advance Transformer Co Core for electromagnetic device
DE1638944A1 (de) * 1967-02-09 1970-05-14 Waasner B Kernblech mit zwei Blechteilen
DE1613628A1 (de) * 1967-03-20 1970-07-30 Blum Eisen & Metallind Zweiteiliger Eisenkern,insbesondere fuer Transformatoren
DE1929566A1 (de) * 1968-06-27 1970-06-18 Idec Izumi Corp Transformatorkern und Verfahren zu seiner Herstellung
GB1345523A (en) * 1970-09-10 1974-01-30 Friedland Ltd V E Doggart J Sk Transformer laminations

Also Published As

Publication number Publication date
GR74360B (el) 1984-06-27
EP0042898A1 (de) 1982-01-06
PT73282B (fr) 1982-07-01
IE51834B1 (en) 1987-04-15
NO812219L (no) 1982-01-04
ES272474Y (es) 1984-10-01
FI812017L (fi) 1981-12-31
PT73282A (fr) 1981-07-01
ES272474U (es) 1984-03-01
DK244581A (da) 1981-12-31
FI75446B (fi) 1988-02-29
ATE9749T1 (de) 1984-10-15
DE3069353D1 (en) 1984-11-08
IE811423L (en) 1981-12-30
EP0042898B1 (de) 1984-10-03

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: CLAREL