EP1557918A1 - Zündkerze - Google Patents
Zündkerze Download PDFInfo
- Publication number
- EP1557918A1 EP1557918A1 EP04028953A EP04028953A EP1557918A1 EP 1557918 A1 EP1557918 A1 EP 1557918A1 EP 04028953 A EP04028953 A EP 04028953A EP 04028953 A EP04028953 A EP 04028953A EP 1557918 A1 EP1557918 A1 EP 1557918A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spark plug
- insulator
- bore
- isolator
- center electrode
- 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- Withdrawn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
-
- 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
- H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
- H01T13/38—Selection of materials for insulation
-
- 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
- H01T13/14—Means for self-cleaning
Definitions
- the invention relates to a spark plug with a spark plug body with body electrode, one arranged in the spark plug body Insulator with insulator bore and a center electrode, which is arranged in the insulator bore.
- catalytic noble metal coating lowers the Rußabbrandtemperatur and prevents thereby shunts by RußAuth für the center electrode and the insulator foot. This will be done in detail ensures that the catalytic coating the soot oxidation accelerated even at low temperatures.
- the noble metal coating By applying the noble metal coating, the oxidation promoted, so that the soot particles at low temperatures oxidize.
- the soot particles then lose their Stop on the coated insulator surface, leaving itself can not form an electrically conductive layer and a contact between the high voltage conducting center electrode and a such electrically conductive layer on the insulator ceramic is prevented.
- the noble metal coating is platinum, Palladium or rhodium.
- spark plug according to the invention are the subject of the claims 2 and 3.
- the single figure shows the combustion chamber side of the Embodiment of the spark plug according to the invention in a Sectional view.
- a spark plug usually a spark plug body 2 with body electrode 4, a arranged in the spark plug body 2 insulator 3 with insulator bore and insulator foot 3.1 and a center electrode 1, which is arranged in the insulator bore of the insulator 3. Between the insulator and the spark plug body 2 is a Respiratory space 5 is provided.
- the catalytic coating 3.2 is preferably on the inner surface of the insulator bore provided, the center electrode 1 faces.
- the catalytic coating consists in particular of a precious metal and preferably platinum, palladium or Rhodium.
Landscapes
- Spark Plugs (AREA)
Abstract
Description
Claims (3)
- Zündkerze miteinem Zündkerzenkörper mit Körperelektrode,einem im Zündkerzenkörper angeordneten Isolator mit Isolatorbohrung undeiner Mittelektrode, die in der Isolatorbohrung angeordnet ist,eine katalytische Edelmetallbeschichtung, die auf der Isolatorfußspitze vorgesehen ist.
- Zündkerze nach Anspruch 1, dadurch gekennzeichnet, dass die katalytische Beschichtung auf der der Mittelelektrode zugewandten Innenfläche der Isolatorbohrung vorgesehen ist.
- Zündkerze nach Anspruch 1, dadurch gekennzeichnet, dass das Edelmetall Platin, Palladium oder Rhodium ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004002906 | 2004-01-20 | ||
DE200410002906 DE102004002906A1 (de) | 2004-01-20 | 2004-01-20 | Zündkerze |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1557918A1 true EP1557918A1 (de) | 2005-07-27 |
Family
ID=34625726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04028953A Withdrawn EP1557918A1 (de) | 2004-01-20 | 2004-12-07 | Zündkerze |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1557918A1 (de) |
DE (1) | DE102004002906A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008009610A1 (de) * | 2006-07-19 | 2008-01-24 | Robert Bosch Gmbh | Zündkerze, insbesondere für hohe brennraumdrücke |
EP2953217A1 (de) | 2014-06-06 | 2015-12-09 | Ford Global Technologies, LLC | Verfahren zur herstellung einer zündkerze für einen verbrennungsmotor sowie zündkerze für einen verbrennungsmotor |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010007583U1 (de) | 2010-06-04 | 2010-10-07 | Koltun, Mykhaylo | Gesundheitssitz |
DE102010022671B4 (de) | 2010-06-04 | 2018-01-25 | Mykhaylo Koltun | Sitz- oder Liegemöbel |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4692657A (en) * | 1984-12-18 | 1987-09-08 | Robert Bosch Gmbh | Spark plug for an otto-type internal combustion engine |
DE3616641A1 (de) * | 1986-05-16 | 1987-11-19 | Bosch Gmbh Robert | Zuendkerze mit gleitfunkenstrecke |
DE4039323A1 (de) * | 1990-12-10 | 1992-06-11 | Bosch Gmbh Robert | Zuendvorrichtung und verfahren zum herstellen einer zuendvorrichtung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4896636A (en) * | 1989-02-17 | 1990-01-30 | Pfefferle William C | Method of operating I. C. engines and apparatus thereof |
US5952769A (en) * | 1996-03-29 | 1999-09-14 | Sparco, Inc. | Method for coating sparkplugs |
DE10130673A1 (de) * | 2001-06-28 | 2003-01-23 | Volkswagen Ag | Verbrennungskraftmaschine |
-
2004
- 2004-01-20 DE DE200410002906 patent/DE102004002906A1/de not_active Ceased
- 2004-12-07 EP EP04028953A patent/EP1557918A1/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4692657A (en) * | 1984-12-18 | 1987-09-08 | Robert Bosch Gmbh | Spark plug for an otto-type internal combustion engine |
DE3616641A1 (de) * | 1986-05-16 | 1987-11-19 | Bosch Gmbh Robert | Zuendkerze mit gleitfunkenstrecke |
DE4039323A1 (de) * | 1990-12-10 | 1992-06-11 | Bosch Gmbh Robert | Zuendvorrichtung und verfahren zum herstellen einer zuendvorrichtung |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008009610A1 (de) * | 2006-07-19 | 2008-01-24 | Robert Bosch Gmbh | Zündkerze, insbesondere für hohe brennraumdrücke |
EP2953217A1 (de) | 2014-06-06 | 2015-12-09 | Ford Global Technologies, LLC | Verfahren zur herstellung einer zündkerze für einen verbrennungsmotor sowie zündkerze für einen verbrennungsmotor |
DE102014210922A1 (de) | 2014-06-06 | 2015-12-17 | Ford Global Technologies, Llc | Verfahren zur Herstellung einer Zündkerze für einen Verbrennungsmotor sowie Zündkerze für einen Verbrennungsmotor |
Also Published As
Publication number | Publication date |
---|---|
DE102004002906A1 (de) | 2005-08-04 |
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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 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR LV MK YU |
|
17P | Request for examination filed |
Effective date: 20050706 |
|
AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
17Q | First examination report despatched |
Effective date: 20070219 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20070703 |