EP1411241A2 - Bobine d'allumage en forme de tige - Google Patents

Bobine d'allumage en forme de tige Download PDF

Info

Publication number: EP1411241A2
Authority: EP; European Patent Office
Prior art keywords: ignition coil; primary; core; layer; coil body
Prior art date: 2002-10-17
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

EP03022889A

Other languages

German (de)

English (en)

Other versions

EP1411241A3 (fr

EP1411241B1 (fr

Inventor

Johann Weissenbacher

Helmut Müller

Franco Tridico

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.)

BorgWarner Ludwigsburg GmbH

Original Assignee

Beru 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.)

2002-10-17

Filing date

2003-10-08

Publication date

2004-04-21

2003-10-08 Application filed by Beru AG filed Critical Beru AG

2004-04-21 Publication of EP1411241A2 publication Critical patent/EP1411241A2/fr

2006-03-22 Publication of EP1411241A3 publication Critical patent/EP1411241A3/fr

2007-02-14 Application granted granted Critical

2007-02-14 Publication of EP1411241B1 publication Critical patent/EP1411241B1/fr

2023-10-08 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils

Definitions

Such a rod-shaped ignition coil is from DE 4208706 C2 known.
the core has an angular outer surface on the stacked metal sheets which can lead to extreme field concentrations that Operation of the ignition coil can lead to failures.
FIG. 1a and 1b includes a conventional rod-shaped ignition coil, not shown Ignition coil housing, in which a primary coil body 2, the outside carries a primary winding 4 and in which an approximately cylindrical core 3 made of stacked for example rectangular metal sheets arranged in a potting compound 8 and a surrounding the primary coil bobbin 2
Secondary coil former 1, which carries a secondary winding 5, being between the ignition coil housing and not shown a potting compound is provided on the outside of the secondary winding 5 which is also not shown.
the primary coil body can with its primary winding outside the Secondary winding body arranged with its secondary winding be, so in this case the core of the secondary winding body is surrounded.
Figs. 2a and 2b is at the embodiment of the ignition coil according to the invention Shielding high field concentrations at the edges 6 the sheets of the core 3 occur and breakdowns in the Can lead coil, the inner cylinder surface of the primary coil body 2 with a metallic conductive coating 7 provided in particular from nickel.
Fig. 2b the structure of the illustrated Embodiment of the ignition coil according to the invention thus from the inside out the cylindrical core 3, one Air gap, the coating 7 on the primary coil former 2, the primary coil body 2, the primary winding 4, the secondary coil body 1, the secondary winding 5, the potting compound and the housing, the latter not being shown.
the metallic coating preferably has one or more interruptions in the axial direction.
the coating gap should be chosen so that at the coating gap after installing the ignition coil no field-concentrating edge of the core 3 runs.
the training according to the invention can be seen
the advantage of preventing electrical breakdowns can, a much lower for the coating Space is required than when using a potting compound or additional film is the case. Since no additional Component such as an additional film provided assembly is simplified, the result is shorter Assembly times. The curing times of the potting material there is also no need.

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Ignition Installations For Internal Combustion Engines (AREA)

EP03022889A 2002-10-17 2003-10-08 Bobine d'allumage en forme de tige Expired - Lifetime EP1411241B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE10248520		2002-10-17
DE10248520A DE10248520B3 (de)	2002-10-17	2002-10-17	Stabförmige Zündspule

Publications (3)

Publication Number	Publication Date
EP1411241A2 true EP1411241A2 (fr)	2004-04-21
EP1411241A3 EP1411241A3 (fr)	2006-03-22
EP1411241B1 EP1411241B1 (fr)	2007-02-14

Family

ID=32038743

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP03022889A Expired - Lifetime EP1411241B1 (fr)	2002-10-17	2003-10-08	Bobine d'allumage en forme de tige

Country Status (3)

Country	Link
EP (1)	EP1411241B1 (fr)
AT (1)	ATE354021T1 (fr)
DE (2)	DE10248520B3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102005037257A1 (de) *	2005-08-08	2007-02-15	Robert Bosch Gmbh	Stabzündspule für eine Zündanlage
DE102006019296A1 (de) *	2006-04-26	2007-10-31	Robert Bosch Gmbh	Zündspule, insbesondere für eine Brennkraftmaschine eines Kraftfahrzeugs

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4208706C2 (de) *	1992-03-18	1996-11-28	Beru Werk Ruprecht Gmbh Co A	Zündspule für eine Zündanlage einer Brennkraftmaschine
DE19702438C2 (de) *	1997-01-24	1999-05-06	Bremicker Auto Elektrik	Stabzündspule für Brennkraftmaschinen
FR2778490B1 (fr) *	1998-05-11	2000-07-28	Sagem	Bobine d'allumage pour moteur a combustion interne
DE19962279C2 (de) *	1999-01-19	2003-04-30	Bremi Auto Elek K Ernst Bremic	Zündspule

2002
- 2002-10-17 DE DE10248520A patent/DE10248520B3/de not_active Expired - Fee Related
2003
- 2003-10-08 EP EP03022889A patent/EP1411241B1/fr not_active Expired - Lifetime
- 2003-10-08 DE DE50306480T patent/DE50306480D1/de not_active Expired - Lifetime
- 2003-10-08 AT AT03022889T patent/ATE354021T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE10248520B3 (de)	2004-05-13
ATE354021T1 (de)	2007-03-15
EP1411241A3 (fr)	2006-03-22
DE50306480D1 (de)	2007-03-29
EP1411241B1 (fr)	2007-02-14

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