EP0715073A2 - Appareil pour coupler une bobine d'allumage individuelle avec une culasse de cylindre de moteur à combustion interne - Google Patents

Appareil pour coupler une bobine d'allumage individuelle avec une culasse de cylindre de moteur à combustion interne Download PDF

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Publication number
EP0715073A2
EP0715073A2 EP95118317A EP95118317A EP0715073A2 EP 0715073 A2 EP0715073 A2 EP 0715073A2 EP 95118317 A EP95118317 A EP 95118317A EP 95118317 A EP95118317 A EP 95118317A EP 0715073 A2 EP0715073 A2 EP 0715073A2
Authority
EP
European Patent Office
Prior art keywords
spark plug
cylinder head
plug connector
coil
ignition system
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
EP95118317A
Other languages
German (de)
English (en)
Other versions
EP0715073B1 (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 device with the features of the preamble of claim 1.
  • the magnetic core of the ignition coil is preferably provided with additional fastening openings through which a fastening screw is screwed into the cylinder head.
  • the preferably two or four fastening screws require special effort when assembling and disassembling the device. In addition, they increase the weight of the system and, due to the lateral arrangement of the fastening openings opposite the ignition coil, lead to additional mechanical stress due to vibrations occurring during use.
  • the invention has for its object to provide a device of the type mentioned, which is characterized by a low assembly and manufacturing costs while reducing weight.
  • the single-coil ignition system would be now fixed in its operative position by the spark plug connector.
  • the combination of frictional engagement of the elastic mounting and latching with the spark plug enables the system to be fixed in its position as soon as it is inserted into the passage opening during one and the same operation. Additional fastening screws or the like, which require a separate operation, are not required.
  • the elastic mounting of the ignition coil and thus the single coil ignition system also ensures constant damping during operation of the internal combustion engine. The absence of through openings for fastening screws arranged in the center increases the mechanical stability of the overall system.
  • the locking of the spark plug connector with the spark plug has long been known for spark plug connectors that are connected to a central ignition coil via an ignition cable.
  • the spark plug connector in the invention is usually not visible during assembly and the reaching of the active position is also not recognizable from the outside.
  • the latching makes it possible to recognize mechanically and acoustically that the single-coil ignition system has reached the intended position.
  • the latching also serves as a mechanical stop for the single-coil ignition system and thus as an assembly aid.
  • Claim 2 simplifies production, since ribs are provided for the elastic mounting, which are connected in one piece to the spark plug connector and are formed simultaneously with the spark plug connector in one production process. This is compared to an arrangement of ribs or the like connected to the cylinder head, an additional ease of assembly.
  • the assembly is further facilitated by claim 3.
  • the axial arrangement of the ribs allows the single-coil ignition system to be introduced into the operative position with a constant or continuously increasing press-in force.
  • the feature specified in claim 4 serves to increase the positive connection between the spark plug connector and the ignition coil. At the same time, the possibility remains to tilt the axis of the spark plug connector with respect to the ignition coil if this is necessary due to manufacturing tolerances when the system is plugged onto the spark plug.
  • a spark plug 6 which is supplied with high voltage by the single-coil ignition system, is seated in a cylinder head 3 of an internal combustion engine with sections 4 and a cylinder 5.
  • the single-coil ignition system is held elastically via the spark plug connector 2 in a passage opening 7 of the cylinder head 3 and is axially fixed under the spark plug connector 2 by a snap connection between a contact part 8 of the spark plug 6.
  • the snap-in connection between the spark plug and the spark plug connector 2 is constructed in a manner known per se and essentially consists of a flat ribbon spring 9 in the spark plug connector 2, which engages behind a shoulder 10 of the contact part 8.
  • the spark plug connector is provided on its outside with four ribs 11 which run in the axial direction and which are shown in plan view in FIG. 2.
  • the ribs 11 are integral with the outer wall 2 'of the spark plug connector 2 and, like this, consist of elastic, electrically insulating material, e.g. Silicone.
  • an O-ring 13 which is held in an annular groove of the spark plug connector. This increases the rigidity of the ignition coil 1 and the spark plug connector 2 relative to one another, while at the same time increasing the possibility is maintained, 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
  • the ribs 11 come into engagement with the opening 7 and slide therein until the spark plug connector 2 engages with the contact part.
  • the complete unit is then held in the active position by the frictional engagement between the ribs 11 and the opening 7 and by the engagement with the spark plug 6.
  • a separate or even exclusive attachment of the ignition coil is not necessary. Possibly.
  • An additional axial fixation of the system can be achieved by a cover hood, not shown, which surrounds a plurality of individual coil ignition systems arranged next to one another and which has a stop running in the direction of the arrow 14. It can easily be seen that the device shown is simple and safe to assemble and at the same time maintains its operative position under all dynamic loads that occur during the operation of the internal combustion engine

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)
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 true EP0715073A2 (fr) 1996-06-05
EP0715073A3 EP0715073A3 (fr) 1997-08-13
EP0715073B1 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
WO2000003139A1 (fr) * 1998-07-11 2000-01-20 Audi Ag Unite de bobine d'allumage pour moteurs a combustion interne

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0454598A1 (fr) 1990-04-23 1991-10-30 Société à Responsabilité Limitée L'ELECTRICFIL INDUSTRIE Bobine intégrée d'allumage individuel d'une bougie de moteur thermique à combustion interne et à allumage commandé

Family Cites Families (13)

* 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
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.
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.
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
JP3070268B2 (ja) * 1992-07-16 2000-07-31 住友電装株式会社 継手構造
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0454598A1 (fr) 1990-04-23 1991-10-30 Société à Responsabilité Limitée L'ELECTRICFIL INDUSTRIE Bobine intégrée d'allumage individuel d'une bougie de moteur thermique à combustion interne et à allumage commandé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000003139A1 (fr) * 1998-07-11 2000-01-20 Audi Ag Unite de bobine d'allumage pour moteurs a combustion interne

Also Published As

Publication number Publication date
ES2164736T3 (es) 2002-03-01
DE4442634A1 (de) 1996-06-05
EP0715073B1 (fr) 2001-10-10
DE4442634B4 (de) 2007-08-30
DE59509681D1 (de) 2001-11-15
EP0715073A3 (fr) 1997-08-13

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