EP0715073B1 - Systeme d'allumage avec une bobine individuelle pour le montage sur une culasse de cylindre de moteur à combustion interne - Google Patents

Systeme d'allumage avec une bobine individuelle pour le montage sur une culasse de cylindre de moteur à combustion interne Download PDF

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Publication number
EP0715073B1
EP0715073B1 EP95118317A EP95118317A EP0715073B1 EP 0715073 B1 EP0715073 B1 EP 0715073B1 EP 95118317 A EP95118317 A EP 95118317A EP 95118317 A EP95118317 A EP 95118317A EP 0715073 B1 EP0715073 B1 EP 0715073B1
Authority
EP
European Patent Office
Prior art keywords
spark plug
plug connector
cylinder head
ignition
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.)
Expired - Lifetime
Application number
EP95118317A
Other languages
German (de)
English (en)
Other versions
EP0715073A2 (fr
EP0715073A3 (fr
Inventor
Alfred Krappel
Josef Holzmann
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0715073A2 publication Critical patent/EP0715073A2/fr
Publication of EP0715073A3 publication Critical patent/EP0715073A3/fr
Application granted granted Critical
Publication of EP0715073B1 publication Critical patent/EP0715073B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T13/00—Sparking plugs
    • H01T13/02—Details
    • H01T13/06—Covers forming a part of the plug and protecting it against adverse environment
    • 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

  • the invention relates to a single coil ignition system with the Features of the preamble of claim 1.
  • Known devices of this type consist of screw connections the ignition coil with the cylinder head and are described in DE 39 37 828 C1 and EP 0 454 598 A1.
  • the magnetic core of the ignition coil is preferably included provided additional fastening openings through which a fastening screw into the cylinder head is screwed in.
  • the preferably two or four Fastening screws require during assembly and disassembly the device a special effort.
  • a single coil ignition system is known from EP-A-579487, in which an insulator, a tubular conductor and a spring are successively introduced into the cylinder head. The conductor is locked on its upper side with the voltage exclusion of an ignition coil. The mechanical and electrical connection of the ignition coil to the spark plug requires a lot of assembly work.
  • the invention has for its object a device of the type mentioned at the outset, which is due to a low assembly and manufacturing effort characterized by reduced weight.
  • the latch of the spark plug connector with the spark plug is indeed long known for spark plug connectors, which have an ignition cable are connected to a central ignition coil. in the The difference is the spark plug connector in the invention usually during assembly not visible and that Reaching the effective position is not recognizable from outside.
  • the latching enables mechanical and acoustic to recognize that the single coil ignition system has reached the intended position.
  • the latch serves thus also as a mechanical stop for the single coil ignition system and thus as an assembly aid.
  • the feature specified in claim 2 is used to the positive connection between the spark plug connector and the ignition coil to increase. At the same time, the possibility remains the axis of the spark plug connector opposite the ignition coil to tilt if this is due to manufacturing tolerances required when attaching the system to the spark plug is.
  • Fig. 1 shows a single coil ignition system consisting of a Ignition coil 1 with magnetic core 1 'of a primary and secondary winding (not shown) and one Spark plug connector 2.
  • the magnetic core 1 ' is via the ground connection the secondary winding is grounded (not shown).
  • a spark plug 6 which by the Single coil ignition system is supplied with high voltage.
  • the single coil ignition system is via the spark plug connector 2 elastic in a passage opening 7 of the cylinder head 3 held and by a snap connection between a contact part 8 of the spark plug 6 under the spark plug connector 2 axially fixed.
  • the rest connection between Spark plug and spark plug connector 2 is known per se Built in this way and consists essentially of Ribbon spring 9 in the spark plug connector 2, which has a paragraph 10 of the contact part 8 engages behind.
  • the spark plug connector is on for elastic mounting provided on the outside with four ribs 11, which in run in the axial direction and in Fig. 2 in the Top view are shown.
  • the ribs 11 are in one piece with the outer wall 2 'of the spark plug connector 2 and consist like this made of elastic electrically insulating Material, e.g. Silicone.
  • spark plug connector 2 Between a high voltage connector pulled down 12 of the ignition coil and this inside and outside surrounding and held therein by means of an interference fit Spark plug connector 2 is an O-ring 13, which is in a Ring groove of the spark plug connector is held. So that will the stiffness of ignition coil 1 and spark plug connector 2 relative to each other while increasing the possibility remains, ignition coil 1 and spark plug connector 2 offset or aligned exactly axially to each other.
  • the complete Unit consisting of ignition coil 1 and spark plug connector 2 inserted into the cylinder head. Get there the ribs 11 engage the opening 7 and slide along it until the spark plug connector 2 with the contact part locked. The complete unit is then through the frictional engagement between the ribs 11 and the opening 7 and by locking with the spark plug 6 in the Action held.
  • a separate or even exclusive The ignition coil is not attached. Possibly. can by a cover, not shown, which several side by side arranged single coil ignition systems surrounds and the one in the direction of arrow 14 stop has an additional axial fixation of the system be achieved. It is easy to see that the device shown is simple and safe too assemble and at the same time under all occurring dynamic loads during the operation of the Internal combustion engine maintains its active position.

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)

Claims (3)

  1. Système d'allumage à bobine unique qui se place dans la culasse d'un moteur à combustion interne, ce système se composant d'une bobine d'allumage et d'un connecteur de bougie accroché à celle-ci, dans la direction longitudinale, pour passer dans une cheminée de la culasse et être relié, avec mise en contact, à la pièce de contact de la bougie d'allumage,
    le système d'allumage à bobine unique pouvant être tenu dans la culasse (3) par le connecteur de bougie (2) du fait que le connecteur de bougie (2) peut s'appuyer élastiquement dans la cheminée (7) de la culasse (3),
    caractérisé en ce que
    le connecteur de bougie (2) peut également s'accrocher à la pièce de contact (8) de la bougie d'allumage (6), et
    pour le montage élastique du connecteur de bougie (2), celui-ci comporte, sur son côté extérieur, des nervures (11) qui s'appuient contre la paroi intérieure de la cheminée (7) de la culasse (3), et
    les nervures (11) sont dirigées dans la direction longitudinale du connecteur de bougie (2).
  2. Dispositif selon la revendication 1,
    caractérisé par
    un joint torique (13) entre le connecteur de bougie (2) et la bobine d'allumage (1).
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce que
    le joint torique (13) est logé dans une rainure annulaire du connecteur de bougie (2).
EP95118317A 1994-11-30 1995-11-21 Systeme d'allumage avec une bobine individuelle pour le montage sur une culasse de cylindre de moteur à combustion interne Expired - Lifetime EP0715073B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4442634 1994-11-30
DE4442634A DE4442634B4 (de) 1994-11-30 1994-11-30 Vorrichtung zum Befestigen eines Einzelspulenzündsystems mit dem Zylinderkopf einer Brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP0715073A2 EP0715073A2 (fr) 1996-06-05
EP0715073A3 EP0715073A3 (fr) 1997-08-13
EP0715073B1 true EP0715073B1 (fr) 2001-10-10

Family

ID=6534557

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95118317A Expired - Lifetime EP0715073B1 (fr) 1994-11-30 1995-11-21 Systeme d'allumage avec une bobine individuelle pour le montage sur une culasse de cylindre de moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP0715073B1 (fr)
DE (2) DE4442634B4 (fr)
ES (1) ES2164736T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250257683A1 (en) * 2022-05-02 2025-08-14 Sem Ab Tubular structure adapted to at least partly enclose a pencil coil for internal combustion engines

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19831196C2 (de) * 1998-07-11 2002-06-13 Audi Ag Zündspuleneinheit für Brennkraftmaschinen
DE19851127C2 (de) * 1998-11-06 2003-08-21 Beru Ag Zündkerzensteckerstützmanschette
DE10058147C2 (de) * 2000-03-23 2003-08-28 Beru Ag Verbindungsanordnung von Zündspule und Zündkerze
DE10014169C2 (de) * 2000-11-22 2002-09-19 Beru Ag Verbindungsanordnung von Zündspule und Zündkerze
CN106710851A (zh) * 2015-11-16 2017-05-24 联合汽车电子有限公司 点火线圈高压接杆

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579487A2 (fr) * 1992-07-16 1994-01-19 Sumitomo Wiring Systems, Ltd. Construction d'un couplage

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176061B (en) * 1985-05-23 1989-07-19 Herbert Walker Internal combustion engine spark plug connector
DE3620826A1 (de) * 1985-06-22 1987-01-02 Pvl Probosch Vogt Loos Gmbh & Mit einem kerzenstecker integrierte zuendspule
DE3544870A1 (de) * 1985-12-18 1987-06-19 Beru Werk Ruprecht Gmbh Co A Zuendkerzenstecker
EP0344387B1 (fr) * 1988-05-31 1994-11-30 Société à Responsabilité Limitée L'ELECTRICFIL INDUSTRIE Bloc transformateur-allumage intégré pour cylindre de moteur thermique à allumage commandé
GB8800444D0 (en) * 1988-01-09 1988-02-10 Lucas Ind Plc Spark plug connector
DE3937828C1 (en) 1989-11-14 1991-06-20 Bremi Auto-Elektrik Bremicker Gmbh + Co, 5883 Kierspe, De Ignition coil for IC engine - has two opposite-facing side walls of housing with orifices which serve as entrance for magnetic core
FR2655384B1 (fr) * 1989-12-01 1994-05-27 Peugeot Dispositif d'amenagement et de maintien dans une culasse de moteur d'un ensemble constitue par une bobine d'allumage et une bougie.
FR2655386B1 (fr) * 1989-12-01 1994-06-10 Peugeot Dispositif de fixation amovible sur une culasse de moteur d'un ensemble constitue par une bobine d'allumage et une bougie.
FR2661216B1 (fr) 1990-04-23 1992-08-14 Electricfil Ind Sarl Bobine integree d'allumage individuel d'une bougie de moteur thermique a combustion interne et a allumage commande.
JPH04143461A (ja) * 1990-10-05 1992-05-18 Honda Motor Co Ltd 内燃機関の点火装置
DE4214816C1 (de) * 1992-05-05 1993-10-21 Daimler Benz Ag Zündkerzenstecker für einen Verbrennungsmotor
WO1994006183A1 (fr) * 1992-09-08 1994-03-17 Allied-Signal Inc. Raccord terminal de bougie d'allumage
DE4314780A1 (de) * 1992-10-02 1994-04-07 Duerrwaechter E Dr Doduco Zündkerzenstecker
EP0590657B1 (fr) * 1992-10-02 1996-05-22 DODUCO GMBH + Co Dr. Eugen DÀ¼rrwächter Connecteur de bougie d'allumage

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579487A2 (fr) * 1992-07-16 1994-01-19 Sumitomo Wiring Systems, Ltd. Construction d'un couplage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250257683A1 (en) * 2022-05-02 2025-08-14 Sem Ab Tubular structure adapted to at least partly enclose a pencil coil for internal combustion engines

Also Published As

Publication number Publication date
DE4442634A1 (de) 1996-06-05
ES2164736T3 (es) 2002-03-01
DE4442634B4 (de) 2007-08-30
DE59509681D1 (de) 2001-11-15
EP0715073A2 (fr) 1996-06-05
EP0715073A3 (fr) 1997-08-13

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