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EP1557849A3 - Ignition coil for an internal combustion engine - Google Patents

Ignition coil for an internal combustion engine Download PDF

Info

Publication number
EP1557849A3
EP1557849A3 EP05000165A EP05000165A EP1557849A3 EP 1557849 A3 EP1557849 A3 EP 1557849A3 EP 05000165 A EP05000165 A EP 05000165A EP 05000165 A EP05000165 A EP 05000165A EP 1557849 A3 EP1557849 A3 EP 1557849A3
Authority
EP
European Patent Office
Prior art keywords
coil body
winding
primary
sleeve
combustion engine
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
EP05000165A
Other languages
German (de)
French (fr)
Other versions
EP1557849B1 (en
EP1557849B8 (en
EP1557849A2 (en
Inventor
Friedhelm Rosemann
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.)
Pulse Electronics GmbH
Original Assignee
era AG
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 era AG filed Critical era AG
Publication of EP1557849A2 publication Critical patent/EP1557849A2/en
Publication of EP1557849A3 publication Critical patent/EP1557849A3/en
Publication of EP1557849B1 publication Critical patent/EP1557849B1/en
Application granted granted Critical
Publication of EP1557849B8 publication Critical patent/EP1557849B8/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/12—Ignition, e.g. for IC engines
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/361—Electric or magnetic shields or screens made of combinations of electrically conductive material and ferromagnetic material
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F2027/348—Preventing eddy currents
    • 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
    • H01F27/02—Casings
    • H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

Die Erfindung betrifft eine Zündspule für eine Brennkraftmaschine mit einem eine Primärwicklung (1) tragenden, vorzugsweise zylindrischen, Primärspulenkörper (2), einem Niederspannungsanschlussbereich (10) zum Anschließen der Primärwicklung (1) an eine Niederspannung, einer mit der Primärwicklung (1) induktiv gekoppelten Sekundärwicklung (3), zum Bereitstellen einer Hochspannung für eine Zündkerze der Brennkraftmaschine, wobei die Sekundärwicklung (3) von einem vom Primärspulenkörper (2) konzentrisch umgebenen Sekundärspulenkörper (4) getragen wird, einem Hochspannungsanschlussbereich (5), in welchem die Sekundärwicklung (3) die Zündkerze kontaktiert, wobei der Sekundärspulenkörper (4) einen zylindrischen magnetischen Kern (6) umschließt und Primärspulenkörper (2) und Sekundärspulenkörper (4) gemeinsam von einer elektrisch und magnetisch leitfähigen Hülse (7) umgeben sind, wobei die Hülse (7) einen durchgehenden Längsschlitz (8) aufweist, sowie ein Verfahren zu deren Herstellung. Eine Zündspule der genannten Art soll dahingehend weiterentwickelt werden, dass im Falle einer ungeradzahligen Lagenzahl der Primärwicklung eine verbesserte mechanische und elektrische Zuverlässigkeit erreicht wird, indem die vom Niederspannungsanschluss entfernt austretende Wicklungszuleitung derart entlang des Erstreckungsbereichs des Längsschlitzes der Hülse geführt ist, dass sie zumindest teilweise innerhalb des äußeren Umkreises der Hülse verläuft.

Figure imgaf001
The invention relates to an ignition coil for an internal combustion engine having a primary winding (1) bearing, preferably cylindrical primary coil body (2), a low voltage terminal region (10) for connecting the primary winding (1) to a low voltage, one with the primary winding (1) inductively coupled Secondary winding (3), for providing a high voltage for a spark plug of the internal combustion engine, wherein the secondary winding (3) by a primary coil body (2) concentrically surrounded secondary coil body (4) is supported, a high voltage terminal region (5), in which the secondary winding (3) contacting the spark plug, wherein the secondary coil body (4) encloses a cylindrical magnetic core (6) and primary coil body (2) and secondary coil body (4) are jointly surrounded by an electrically and magnetically conductive sleeve (7), wherein the sleeve (7) has a continuous Longitudinal slot (8), as well as a method n for their production. An ignition coil of the type mentioned is to be further developed so that in the case of an odd number of layers of the primary winding improved mechanical and electrical reliability is achieved by the remote from the low voltage terminal winding lead is guided so along the extension of the longitudinal slot of the sleeve that they at least partially within the outer circumference of the sleeve extends.
Figure imgaf001
EP05000165.0A 2004-01-22 2005-01-05 Ignition coil for an internal combustion engine Expired - Lifetime EP1557849B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004003216 2004-01-22
DE102004003216A DE102004003216B3 (en) 2004-01-22 2004-01-22 Ignition coil for an internal combustion engine

Publications (4)

Publication Number Publication Date
EP1557849A2 EP1557849A2 (en) 2005-07-27
EP1557849A3 true EP1557849A3 (en) 2006-02-01
EP1557849B1 EP1557849B1 (en) 2013-12-25
EP1557849B8 EP1557849B8 (en) 2014-02-26

Family

ID=34625747

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05000165.0A Expired - Lifetime EP1557849B8 (en) 2004-01-22 2005-01-05 Ignition coil for an internal combustion engine

Country Status (5)

Country Link
US (1) US7152592B2 (en)
EP (1) EP1557849B8 (en)
CN (1) CN100550227C (en)
DE (1) DE102004003216B3 (en)
HK (1) HK1081322A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005043336A1 (en) * 2005-09-12 2007-03-15 Pulse Gmbh Bar ignition transformer for supplying an ignition means, in particular a spark plug of an internal combustion engine, with a high voltage
DE102006008736B3 (en) * 2006-02-24 2007-05-31 Innotec Forschungs- Und Entwicklungs-Gmbh Combustion engine for a vehicle comprises a cylinder head hood made from an electrically non-conducting material, an ignition coil arranged in a channel in the hood and a electromagnetic screening sleeve made from a flat conducting material
DE102006020170A1 (en) * 2006-05-02 2007-11-08 Robert Bosch Gmbh Ignition coil, in particular for an internal combustion engine of a motor vehicle
DE102006033480A1 (en) * 2006-07-19 2008-01-24 Robert Bosch Gmbh Spark plug, especially for high combustion chamber pressures
IL180334A (en) * 2006-12-26 2014-03-31 Elta Systems Ltd Method and system for monitoring an underground electric cable
CN102472193A (en) 2009-08-06 2012-05-23 丰田自动车株式会社 Device for determining an imbalance of air/fuel ratios between cylinders of an internal combustion engine
US9097232B2 (en) 2011-10-26 2015-08-04 Delphi Technologies, Inc. Ignition coil assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4514712A (en) * 1975-02-13 1985-04-30 Mcdougal John A Ignition coil
EP0796993A2 (en) * 1996-03-21 1997-09-24 Hitachi, Ltd. Ignition apparatus for use in internal combustion engine
DE10057567A1 (en) * 2000-11-21 2002-05-23 Bremi Auto Elek K Ernst Bremic Method for producing an ignition coil for an internal combustion engine involves casting of at least parts of the low-voltage zone in a plastic material differing from that used for casting the secondary coil

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0793215B2 (en) * 1985-03-25 1995-10-09 株式会社日立製作所 Internal combustion engine ignition device
DE29616780U1 (en) * 1996-09-26 1998-01-29 Robert Bosch Gmbh, 70469 Stuttgart Rod coil for ignition systems
JPH10199737A (en) * 1996-11-18 1998-07-31 Matsushita Electric Ind Co Ltd Ignition coil device for internal combustion engine
DE19702438C2 (en) * 1997-01-24 1999-05-06 Bremicker Auto Elektrik Rod ignition coil for internal combustion engines
JP4206666B2 (en) * 1999-06-09 2009-01-14 株式会社日立製作所 Ignition coil for internal combustion engine
US6545415B1 (en) * 1999-12-27 2003-04-08 Michael A. V. Ward High efficiency high voltage low EMI ignition coil
JP4062951B2 (en) * 2001-05-08 2008-03-19 株式会社デンソー Ignition coil for internal combustion engine
US20030128090A1 (en) * 2002-01-10 2003-07-10 Paul Mark Albert Case free ignition apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4514712A (en) * 1975-02-13 1985-04-30 Mcdougal John A Ignition coil
EP0796993A2 (en) * 1996-03-21 1997-09-24 Hitachi, Ltd. Ignition apparatus for use in internal combustion engine
DE10057567A1 (en) * 2000-11-21 2002-05-23 Bremi Auto Elek K Ernst Bremic Method for producing an ignition coil for an internal combustion engine involves casting of at least parts of the low-voltage zone in a plastic material differing from that used for casting the secondary coil

Also Published As

Publication number Publication date
EP1557849B1 (en) 2013-12-25
DE102004003216B3 (en) 2005-08-25
US7152592B2 (en) 2006-12-26
CN1645529A (en) 2005-07-27
HK1081322A1 (en) 2006-05-12
CN100550227C (en) 2009-10-14
EP1557849B8 (en) 2014-02-26
EP1557849A2 (en) 2005-07-27
US20050184847A1 (en) 2005-08-25

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