EP0439832A1 - Dispositif d'allumage pour moteurs à combustion - Google Patents
Dispositif d'allumage pour moteurs à combustion Download PDFInfo
- 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- Withdrawn
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
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4003021 | 1990-02-02 | ||
DE4003021A DE4003021A1 (de) | 1990-02-02 | 1990-02-02 | Zuendanlage fuer brennkraftmaschinen |
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)
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)
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)
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)
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 |
-
1990
- 1990-02-02 DE DE4003021A patent/DE4003021A1/de active Granted
- 1990-12-24 EP EP90125476A patent/EP0439832A1/fr not_active Withdrawn
-
1991
- 1991-02-04 US US07/648,811 patent/US5101783A/en not_active Expired - Fee Related
Patent Citations (7)
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)
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 |
---|---|
DE4003021A1 (de) | 1991-08-08 |
DE4003021C2 (fr) | 1993-02-11 |
US5101783A (en) | 1992-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19910116 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES FR GB IT SE |
|
17Q | First examination report despatched |
Effective date: 19931112 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 19940129 |