EP0439832A1 - Dispositif d'allumage pour moteurs à combustion - Google Patents

Dispositif d'allumage pour moteurs à combustion Download PDF

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Publication number
EP0439832A1
EP0439832A1 EP90125476A EP90125476A EP0439832A1 EP 0439832 A1 EP0439832 A1 EP 0439832A1 EP 90125476 A EP90125476 A EP 90125476A EP 90125476 A EP90125476 A EP 90125476A EP 0439832 A1 EP0439832 A1 EP 0439832A1
Authority
EP
European Patent Office
Prior art keywords
cylinder housing
ignition system
water
air
spark plug
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.)
Withdrawn
Application number
EP90125476A
Other languages
German (de)
English (en)
Inventor
Martin Car
Erich Pöhlmann
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.)
Didier Werke AG
Original Assignee
Didier 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 Didier Werke AG filed Critical Didier Werke AG
Publication of EP0439832A1 publication Critical patent/EP0439832A1/fr
Withdrawn legal-status Critical Current

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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
    • F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
    • F02P15/02—Arrangements having two or more sparking plugs
    • 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
    • H01T13/16—Means for dissipating heat

Definitions

  • the invention relates to an ignition system for water- or air-cooled internal combustion engines, in which multiple ignition is possible with at least two spark plugs connected in series by at least one of the spark plugs of a pair of spark plugs being arranged in an electrically insulated manner from the cylinder housing, while the other spark plug of the pair of spark plugs is directly in the cylinder head is screwed in.
  • Such an ignition system is known for example from CH-PS 99 121. With such an ignition system, multiple ignition is possible in a cost-saving manner with a single ignition coil and a single breaker.
  • the object of the present invention is to create an ignition system of the generic type while maintaining a double or multiple ignition without the expense of two ignition systems, in which the problems of different temperature loads on the spark plugs are eliminated or at least considerably reduced.
  • spark plug which is electrically insulated from the cylinder housing, is arranged in the water-cooled or air-cooled region of the cylinder housing. This way, this spark plug can be taken advantage of anyway Existing cooling can be kept at an almost constant temperature, regardless of the type of engine, engine speed and driving style. This creates an ignition system which brings the advantages of double or multiple ignition to internal combustion engines without having to put up with the problems of different temperature loads on the spark plugs.
  • a particularly favorable cooling effect is achieved when the one electrically insulated spark plug crosses the water- or air-cooled space of the cylinder housing. In this way, the electrically insulated spark plug is immediately cooled.
  • the electrically insulated spark plug is screwed into the outer jacket of the cylinder housing and sealed against the inner jacket of the cylinder housing, while the electrodes protrude through an opening in the inner jacket into the combustion chamber.
  • the electrical insulation of the spark plug can advantageously be achieved in that the electrodes are formed from heat-resistant metal wires and are received in bores in a ceramic insulating body which crosses the water or air-flushed space of the cylinder housing.
  • the insulating body can be protected in the section crossing the water or air-flushed space without impairing its cooling by being accommodated in a metal tube, for example made of stainless steel.
  • This metal tube can advantageously be used for mounting the electrically insulated spark plug in that it is screwed into the outer jacket of the cylinder housing by means of a thread.
  • the thread of a conventional spark plug can be used here.
  • the metal tube can preferably lie with a sealing face against the inner jacket of the cylinder housing.
  • the figure shows schematically in section an embodiment of an ignition system according to the invention in the area of the cylinder housing.
  • a spark plug 1 is arranged in the water-cooled area of the cylinder housing 2 by crossing the water-cooled space 3 between the outer jacket 4 and the inner jacket 5 of the cylinder housing 2.
  • the spark plug 1 has two electrodes 6 and 7 formed by heat-resistant metal wires, which are arranged in longitudinal bores 10 and 11 of a cylindrical ceramic insulation body 12. With their free ends, the electrodes 6 and 7 protrude through an opening 8 in the inner casing 5 of the cylinder housing 2 into the combustion chamber 9 Sealing rings 17, which is arranged in a recess 18 of the inner shell 5, is sealed against the inner shell 5.
  • the metal tube 13 is screwed into the outer jacket 4 by means of a thread 14.
  • the metal tube 13 widens in the section protruding from the outer jacket 4 to form a shoulder 19.
  • a further sealing ring 16 is arranged between the shoulder 19 and the outer surface of the outer jacket 4. With its outer end, the insulating body 12 lies on an inner shoulder 20 of the metal tube 13, so that it is held axially immovably.

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)
  • Spark Plugs (AREA)
EP90125476A 1990-02-02 1990-12-24 Dispositif d'allumage pour moteurs à combustion Withdrawn EP0439832A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4003021A DE4003021A1 (de) 1990-02-02 1990-02-02 Zuendanlage fuer brennkraftmaschinen
DE4003021 1990-02-02

Publications (1)

Publication Number Publication Date
EP0439832A1 true EP0439832A1 (fr) 1991-08-07

Family

ID=6399242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90125476A Withdrawn EP0439832A1 (fr) 1990-02-02 1990-12-24 Dispositif d'allumage pour moteurs à combustion

Country Status (3)

Country Link
US (1) US5101783A (fr)
EP (1) EP0439832A1 (fr)
DE (1) DE4003021A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19829443A1 (de) * 1998-07-01 2000-01-05 Bayerische Motoren Werke Ag Zündkerze

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6703770B2 (en) * 2001-04-12 2004-03-09 Akira Suzuki Spark plug attachment structure and spark plug therefor
DE10129125A1 (de) * 2001-06-16 2003-01-02 Bosch Gmbh Robert Zündkerze

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH99121A (de) * 1921-01-28 1923-05-01 Vogel Josef Isolierendes Zwischenstück für Doppelzündeinrichtungen.
DE736742C (de) * 1940-03-17 1943-06-26 Messerschmitt Boelkow Blohm Einrichtung zum Kuehlen der Zuendkerzen von Brennkraftmaschinen
FR1049402A (fr) * 1950-07-06 1953-12-29 Thomson Houston Comp Francaise Dispositif d'allumage à deux bougies
US4177783A (en) * 1978-11-03 1979-12-11 Osvaldo Palomeque Dual spark plug ignition system
US4534322A (en) * 1982-09-29 1985-08-13 Honda Giken Kogyo Kabushiki Kaisha Arrangement for insertion of spark plugs in cylinder head
DE3728161A1 (de) * 1987-08-24 1989-03-09 Wolfram Behncke Zuendkerze mit mehrfachzuendung
US4944259A (en) * 1988-12-05 1990-07-31 Caterpillar Inc. Engine ignition system with an insulated and extendable extender

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1235993A (en) * 1916-01-21 1917-08-07 Robert Miller Electric ignition of explosives.
US2050688A (en) * 1928-07-10 1936-08-11 George C Arvedson Internal combustion engine
US1962078A (en) * 1929-09-19 1934-06-05 Kegresse Adolphe Spark plug
US1962079A (en) * 1930-12-06 1934-06-05 Kegresse Adolphe Sparking plug for internal combustion engines
US2025202A (en) * 1932-12-08 1935-12-24 H B Motor Corp Combustion engine
DE2227120C2 (de) * 1972-06-03 1982-07-29 Daimler-Benz Ag, 7000 Stuttgart Luftgekühlte Hubkolben-Brennkraftmaschine
JPS52148737A (en) * 1976-06-04 1977-12-10 Nissan Motor Co Ltd Two point ignition engine
JPS531734A (en) * 1976-06-29 1978-01-10 Nissan Motor Co Ltd Internal-combustion engine
AT389565B (de) * 1980-06-16 1989-12-27 List Hans Wassergekuehlte mehrzylinder-brennkraftmaschine
DE3340445A1 (de) * 1983-11-09 1985-05-15 Motoren-Werke Mannheim AG vorm. Benz Abt. stationärer Motorenbau, 6800 Mannheim Zylinderkopf
US4714058A (en) * 1984-12-10 1987-12-22 Mazda Motor Corporation Spark-ignited internal combustion engine
DE3710630A1 (de) * 1987-03-31 1988-07-07 Audi Ag Fluessigkeitsgekuehlter zylinderkopf

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH99121A (de) * 1921-01-28 1923-05-01 Vogel Josef Isolierendes Zwischenstück für Doppelzündeinrichtungen.
DE736742C (de) * 1940-03-17 1943-06-26 Messerschmitt Boelkow Blohm Einrichtung zum Kuehlen der Zuendkerzen von Brennkraftmaschinen
FR1049402A (fr) * 1950-07-06 1953-12-29 Thomson Houston Comp Francaise Dispositif d'allumage à deux bougies
US4177783A (en) * 1978-11-03 1979-12-11 Osvaldo Palomeque Dual spark plug ignition system
US4534322A (en) * 1982-09-29 1985-08-13 Honda Giken Kogyo Kabushiki Kaisha Arrangement for insertion of spark plugs in cylinder head
DE3728161A1 (de) * 1987-08-24 1989-03-09 Wolfram Behncke Zuendkerze mit mehrfachzuendung
US4944259A (en) * 1988-12-05 1990-07-31 Caterpillar Inc. Engine ignition system with an insulated and extendable extender

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19829443A1 (de) * 1998-07-01 2000-01-05 Bayerische Motoren Werke Ag Zündkerze

Also Published As

Publication number Publication date
US5101783A (en) 1992-04-07
DE4003021A1 (de) 1991-08-08
DE4003021C2 (fr) 1993-02-11

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