EP2201655A1 - Saphirzündkerze und herstellungsverfahren dafür - Google Patents
Saphirzündkerze und herstellungsverfahren dafürInfo
- Publication number
- EP2201655A1 EP2201655A1 EP08837735A EP08837735A EP2201655A1 EP 2201655 A1 EP2201655 A1 EP 2201655A1 EP 08837735 A EP08837735 A EP 08837735A EP 08837735 A EP08837735 A EP 08837735A EP 2201655 A1 EP2201655 A1 EP 2201655A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sapphire
- insulator
- jacket
- plug
- temperature
- 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
Links
- 229910052594 sapphire Inorganic materials 0.000 title claims abstract description 35
- 239000010980 sapphire Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000000034 method Methods 0.000 title claims description 5
- 239000012212 insulator Substances 0.000 claims abstract description 29
- 239000000919 ceramic Substances 0.000 claims abstract description 10
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 230000003746 surface roughness Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 238000013021 overheating Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000000382 optic material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Definitions
- the ignition spark plug according to the present invention is further characterized in that in the inner portion of the central electrode there is on 90% of its length inserted a rod having thermal conductivity at least 150 W m "1 K "1 , preferably made of optical material having high translucency and melting temperature at least 950 0 C.
Landscapes
- Spark Plugs (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CZ20070696A CZ2007696A3 (cs) | 2007-10-08 | 2007-10-08 | Safírová zapalovací svícka a zpusob její výroby |
| PCT/CZ2008/000119 WO2009046687A1 (en) | 2007-10-08 | 2008-10-03 | Sapphire sparking plug and method of its manufacture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2201655A1 true EP2201655A1 (de) | 2010-06-30 |
| EP2201655B1 EP2201655B1 (de) | 2013-05-29 |
Family
ID=40404235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08837735.3A Not-in-force EP2201655B1 (de) | 2007-10-08 | 2008-10-03 | Saphirzündkerze und herstellungsverfahren dafür |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2201655B1 (de) |
| CZ (1) | CZ2007696A3 (de) |
| WO (1) | WO2009046687A1 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB302893A (en) | 1927-12-23 | 1929-01-31 | Siemens Ag | Improvements in or relating to sparking plugs |
| DE3533124A1 (de) * | 1985-09-17 | 1987-03-26 | Bosch Gmbh Robert | Zuendkerze mit gleitfunkenstrecke |
| JP2625307B2 (ja) * | 1992-01-28 | 1997-07-02 | 日本特殊陶業株式会社 | スパークプラグ |
| WO2001082431A2 (en) * | 2000-04-26 | 2001-11-01 | Herkovic, Jan | Spark plug |
| EA200000361A1 (ru) | 2000-04-26 | 2001-12-24 | Юрий Карлович Лингарт | Свеча зажигания |
-
2007
- 2007-10-08 CZ CZ20070696A patent/CZ2007696A3/cs unknown
-
2008
- 2008-10-03 WO PCT/CZ2008/000119 patent/WO2009046687A1/en not_active Ceased
- 2008-10-03 EP EP08837735.3A patent/EP2201655B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009046687A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CZ2007696A3 (cs) | 2009-04-22 |
| EP2201655B1 (de) | 2013-05-29 |
| WO2009046687A1 (en) | 2009-04-16 |
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