GR74360B - SHEET MAGNETIC CIRCUIT, AFTER STABLE CLEANING AIR AND METHOD OF ADJUSTMENT OF THIS MEDIUM CLEANING AIR - Google Patents

SHEET MAGNETIC CIRCUIT, AFTER STABLE CLEANING AIR AND METHOD OF ADJUSTMENT OF THIS MEDIUM CLEANING AIR

Info

Publication number
GR74360B
GR74360B GR65383A GR810165383A GR74360B GR 74360 B GR74360 B GR 74360B GR 65383 A GR65383 A GR 65383A GR 810165383 A GR810165383 A GR 810165383A GR 74360 B GR74360 B GR 74360B
Authority
GR
Greece
Prior art keywords
cleaning air
magnetic circuit
adjustment
sheet magnetic
medium
Prior art date
Application number
GR65383A
Other languages
Greek (el)
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 GR74360B publication Critical patent/GR74360B/en

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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Magnetic Treatment Devices (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Magnetically Actuated Valves (AREA)
  • Traffic Control Systems (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Electron Tubes For Measurement (AREA)

Abstract

1. Laminated magnetic circuit with air gap, comprising and E-shaped part and an I-shaped part (4), and wherein the lenght of the end bars (2) of the E part determines the depth of the air gap opposite the central bar (3) of this E part, characterized in that the side of the I part (4) which rests on the end bars (2) of the E part forms an obtuse angle (alpha) wiht the sides at the end of the part I part (4), and in that the two end bars (2) of the E part each have a prolongation (5) and these are arranged at a distance from one another corresponding to the lenght of the I part (4), so as to fit the shape of the said obtuse angle (alpha) in engaging about the I part (4).
GR65383A 1980-06-30 1981-06-30 SHEET MAGNETIC CIRCUIT, AFTER STABLE CLEANING AIR AND METHOD OF ADJUSTMENT OF THIS MEDIUM CLEANING AIR GR74360B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP80400979A EP0042898B1 (en) 1980-06-30 1980-06-30 Laminated magnetic circuit with air gap, and method of adjusting the air gap

Publications (1)

Publication Number Publication Date
GR74360B true GR74360B (en) 1984-06-27

Family

ID=8187379

Family Applications (1)

Application Number Title Priority Date Filing Date
GR65383A GR74360B (en) 1980-06-30 1981-06-30 SHEET MAGNETIC CIRCUIT, AFTER STABLE CLEANING AIR AND METHOD OF ADJUSTMENT OF THIS MEDIUM CLEANING AIR

Country Status (10)

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

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 (en) * 1996-11-01 2000-09-21 Vossloh Schwabe Gmbh Choke and process for its manufacture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1054551A (en) * 1954-02-11
FR942323A (en) * 1941-01-28 1949-02-04 Thomson Houston Comp Francaise Improvements in the construction of magnetic cores
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 (en) * 1967-02-09 1970-05-14 Waasner B Core sheet with two sheet metal parts
DE1613628A1 (en) * 1967-03-20 1970-07-30 Blum Eisen & Metallind Two-part iron core, especially for transformers
DE1929566A1 (en) * 1968-06-27 1970-06-18 Idec Izumi Corp Transformer core and process for its manufacture
GB1345523A (en) * 1970-09-10 1974-01-30 Friedland Ltd V E Doggart J Sk Transformer laminations

Also Published As

Publication number Publication date
FI75446C (en) 1988-06-09
DE3069353D1 (en) 1984-11-08
ATE9749T1 (en) 1984-10-15
DK244581A (en) 1981-12-31
FI75446B (en) 1988-02-29
PT73282A (en) 1981-07-01
EP0042898A1 (en) 1982-01-06
ES272474U (en) 1984-03-01
FI812017L (en) 1981-12-31
IE51834B1 (en) 1987-04-15
PT73282B (en) 1982-07-01
EP0042898B1 (en) 1984-10-03
IE811423L (en) 1981-12-30
ES272474Y (en) 1984-10-01
NO812219L (en) 1982-01-04

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