EP0102261B1 - Procédé d'obtention d'une bobine à circuit magnétique fermé et à aimant permanent pour l'allumage de moteurs à combustion interne - Google Patents

Procédé d'obtention d'une bobine à circuit magnétique fermé et à aimant permanent pour l'allumage de moteurs à combustion interne Download PDF

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Publication number
EP0102261B1
EP0102261B1 EP19830401361 EP83401361A EP0102261B1 EP 0102261 B1 EP0102261 B1 EP 0102261B1 EP 19830401361 EP19830401361 EP 19830401361 EP 83401361 A EP83401361 A EP 83401361A EP 0102261 B1 EP0102261 B1 EP 0102261B1
Authority
EP
European Patent Office
Prior art keywords
permanent magnet
pack
magnetic circuit
clamp
process according
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
EP19830401361
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0102261A1 (fr
Inventor
Jean Marie Pierret
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.)
Ducellier et Cie
Original Assignee
Ducellier et Cie
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 Ducellier et Cie filed Critical Ducellier et Cie
Publication of EP0102261A1 publication Critical patent/EP0102261A1/fr
Application granted granted Critical
Publication of EP0102261B1 publication Critical patent/EP0102261B1/fr
Expired legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/12Ignition, e.g. for IC engines
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/245Magnetic cores made from sheets, e.g. grain-oriented
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/26Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266Fastening or mounting the core on casing or support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00Cores, Yokes, or armatures
    • H01F3/10Composite arrangements of magnetic circuits
    • H01F3/14Constrictions; Gaps, e.g. air-gaps
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206Manufacturing of magnetic cores by mechanical means
    • H01F41/0233Manufacturing of magnetic circuits made from sheets
    • H01F41/024Manufacturing of magnetic circuits made from deformed sheets

Definitions

  • FIG. 4 is a sectional view, along the line AA, of strips, of sheet metal, constituting the package represented by FIG. 3.
  • Figure 13 is a representation, in partial perspective and on a reduced scale, of a second embodiment of the clamping device.
  • the clamping device 100, of the package 2a on the permanent magnet 6 consists of a flange 101, FIGS. 8 and 9, which flange 101 is obtained by cutting a sidewall 101 a from a sheet of mild steel, FIG. 10 .:
  • the flange 101 has wings 101 b, FIG. 9, which come to bear on the wings 104a of insulating plates 104 interposed between the lateral jibs of the package 2a and of the permanent magnet 6, the holding of which inside the flange 101 is obtained by the prior formation of a hinge 101c which is closed by pressure in the direction of the arrows F, using any known means.
  • the flange 101 comprises lugs 101d and 101e, obtained during the cutting of the flange 101a, FIG. 10, which lugs, after successive folding operations are presented parallel to the external face 101f of the flange 101, FIGS. 8 and 9, so that notches 101g and 101h and a side edge 101j formed in the legs 101d and 101e, Figure 10, form openings 101k and 1011 perpendicular to each other, Figures 11, for fixing the ignition coil on the vehicle automobile.
  • the flange 101 has protuberances 101m and 101n shown in FIG. 10 in broken lines, the protrusion 101m has a smooth hole 101p in which engages a screw 110, FIG. 12, the protrusion 101 comprising a threaded hole 101 q, FIG. 10, into which the screw 110, FIG. 12 is screwed, so as to reinforce the retention of the package 2a and of the permanent magnet 6 to 1 inside the flange 101.
  • the half-flanges 120 are secured to each other using screws 122, one of the half-flanges having smooth holes the other having threaded holes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
EP19830401361 1982-08-11 1983-07-01 Procédé d'obtention d'une bobine à circuit magnétique fermé et à aimant permanent pour l'allumage de moteurs à combustion interne Expired EP0102261B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8213966 1982-08-11
FR8213966A FR2531752A1 (fr) 1982-08-11 1982-08-11 Procede d'obtention d'une bobine a circuit magnetique ferme et a aimant permanent pour l'allumage de moteurs a combustion interne

Publications (2)

Publication Number Publication Date
EP0102261A1 EP0102261A1 (fr) 1984-03-07
EP0102261B1 true EP0102261B1 (fr) 1986-11-05

Family

ID=9276797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830401361 Expired EP0102261B1 (fr) 1982-08-11 1983-07-01 Procédé d'obtention d'une bobine à circuit magnétique fermé et à aimant permanent pour l'allumage de moteurs à combustion interne

Country Status (4)

Country Link
EP (1) EP0102261B1 (OSRAM)
DE (1) DE3367480D1 (OSRAM)
ES (1) ES8404016A1 (OSRAM)
FR (1) FR2531752A1 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3505367A1 (de) * 1985-02-15 1986-08-28 Daimler-Benz Ag, 7000 Stuttgart Zuendspule fuer brennkraftmaschinen
US4857878A (en) * 1988-01-19 1989-08-15 Eng Jr Benjamin Modular high frequency power transformer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1557501A (en) * 1923-07-17 1925-10-13 Gen Motors Corp Ignition coil
US2878855A (en) * 1954-05-12 1959-03-24 Kuhlman Electric Company Mandrel for forming laminated transformer core
DE1464202A1 (de) * 1962-02-23 1969-05-22 Licentia Gmbh Permanentvormagnetisiertes induktives Element
CH416817A (de) * 1964-06-17 1966-07-15 Breitmeier Max Magnetkern, insbesondere für Transformatoren oder Drosseln
FR1482818A (fr) * 1964-09-08 1967-06-02 Csf Perfectionnement aux bobines d'allumage pour moteurs à explosions
FR1463890A (fr) * 1965-09-20 1966-07-22 Gen Electric Structure de noyau magnétique préformé
FR1533644A (fr) * 1967-08-04 1968-07-19 Lucas Industries Ltd Noyau feuilleté, notamment pour bobine d'allumage et son procédé de fabrication
IE34523B1 (en) * 1970-11-14 1975-05-28 Slade Components Ltd Construction of choke
FR2511184A1 (fr) * 1981-08-06 1983-02-11 Ducellier & Cie Procede d'obtention d'une bobine a circuit magnetique ferme et a aimant permanent pour l'allumage de moteur a combustion interne

Also Published As

Publication number Publication date
FR2531752B1 (OSRAM) 1985-01-04
ES524494A0 (es) 1984-04-16
EP0102261A1 (fr) 1984-03-07
ES8404016A1 (es) 1984-04-16
FR2531752A1 (fr) 1984-02-17
DE3367480D1 (en) 1986-12-11

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