JP4927955B2 - 点火プラグ - Google Patents
点火プラグ Download PDFInfo
- Publication number
- JP4927955B2 JP4927955B2 JP2009548137A JP2009548137A JP4927955B2 JP 4927955 B2 JP4927955 B2 JP 4927955B2 JP 2009548137 A JP2009548137 A JP 2009548137A JP 2009548137 A JP2009548137 A JP 2009548137A JP 4927955 B2 JP4927955 B2 JP 4927955B2
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- JP
- Japan
- Prior art keywords
- electrode
- electrode tip
- spark plug
- growth rate
- alloy
- 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.)
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- 239000012212 insulator Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910000629 Rh alloy Inorganic materials 0.000 claims description 2
- 229910001029 Hf alloy Inorganic materials 0.000 claims 1
- 229910000575 Ir alloy Inorganic materials 0.000 claims 1
- 229910001257 Nb alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 description 13
- 229910045601 alloy Inorganic materials 0.000 description 13
- 229910052741 iridium Inorganic materials 0.000 description 11
- 230000003647 oxidation Effects 0.000 description 11
- 238000007254 oxidation reaction Methods 0.000 description 11
- 238000002474 experimental method Methods 0.000 description 10
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 10
- 229910052735 hafnium Inorganic materials 0.000 description 6
- 238000005304 joining Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 150000003818 basic metals Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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
- H01T13/39—Selection of materials for electrodes
-
- 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
-
- 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
- F02P13/00—Sparking plugs structurally combined with other parts of internal-combustion engines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Spark Plugs (AREA)
Description
図3及び図4は、電極チップの第1の実施例の成分に対するX−Ray回折分析結果である。
実施例2は、Ir−Rh5.0wt%にHf及びNbの比率を変化させて実験した。
実施例3はIr−Rh3.0wt%にHfの比率を変化させて実験を行った。また、実施例2よりもHfの量が微細な場合も実験を行った。
実施例4は、Ir−Rh3.0wt%−Hf0.01wt%にNbの割合を変化させて実験を行った。
実施例5はIr−Ru(ruthenium)合金を割合を変化させて実験を行った。
実施例6はIr−Ru4.0wt%にHfの割合を変化させて実験を行った。
実施例7は、Ir−Ru4.0wt%−Hf0.01wt%にNbの割合を変化させて実験を行った。
Claims (3)
- 中心電極;
上記中心電極の外部に配置された絶縁体;
上記絶縁体の外部に配置された金属ハウジング;
一端は上記金属ハウジングに連接して、他端は上記中心電極に対抗する接地電極;及び
上記中心電極と上記接地電極のうちの少なくとも一つに固定される電極チップ;
を含んで、
上記電極チップは、Ir、Rh、Hf及びNb合金により形成され、
上記電極チップ全体に対してHfが0.01wt%〜3.0wt%の範囲で含有され、
上記電極チップ全体に対してNbが0.01wt%〜5.0wt%の範囲で含有されたことを特徴とする点火プラグ。 - 上記電極チップは、上記電極チップ全体に対してHfが1.0wt%〜3.0wt%の範囲で含有されたことを特徴とする請求項1に記載の点火プラグ。
- 上記電極チップは、上記電極チップ全体に対してNbが0.1wt%〜3.0wt%の範囲で含有されたことを特徴とする請求項1または2に記載の点火プラグ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20070009963 | 2007-01-31 | ||
KR10-2007-0009963 | 2007-01-31 | ||
PCT/KR2007/004683 WO2008093922A1 (en) | 2007-01-31 | 2007-09-21 | Ignition plug |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010517248A JP2010517248A (ja) | 2010-05-20 |
JP4927955B2 true JP4927955B2 (ja) | 2012-05-09 |
Family
ID=39674208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009548137A Active JP4927955B2 (ja) | 2007-01-31 | 2007-09-21 | 点火プラグ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8217562B2 (ja) |
EP (1) | EP2122156B1 (ja) |
JP (1) | JP4927955B2 (ja) |
KR (1) | KR100950690B1 (ja) |
CN (1) | CN101622443B (ja) |
WO (1) | WO2008093922A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8334642B2 (en) | 2010-05-11 | 2012-12-18 | Caterpillar Inc. | Spark plug |
US8436520B2 (en) | 2010-07-29 | 2013-05-07 | Federal-Mogul Ignition Company | Electrode material for use with a spark plug |
US8471451B2 (en) | 2011-01-05 | 2013-06-25 | Federal-Mogul Ignition Company | Ruthenium-based electrode material for a spark plug |
US8760044B2 (en) | 2011-02-22 | 2014-06-24 | Federal-Mogul Ignition Company | Electrode material for a spark plug |
WO2013003325A2 (en) | 2011-06-28 | 2013-01-03 | Federal-Mogul Ignition Company | Electrode material for a spark plug |
US10044172B2 (en) | 2012-04-27 | 2018-08-07 | Federal-Mogul Ignition Company | Electrode for spark plug comprising ruthenium-based material |
US8890399B2 (en) | 2012-05-22 | 2014-11-18 | Federal-Mogul Ignition Company | Method of making ruthenium-based material for spark plug electrode |
US8979606B2 (en) | 2012-06-26 | 2015-03-17 | Federal-Mogul Ignition Company | Method of manufacturing a ruthenium-based spark plug electrode material into a desired form and a ruthenium-based material for use in a spark plug |
US9231380B2 (en) | 2012-07-16 | 2016-01-05 | Federal-Mogul Ignition Company | Electrode material for a spark plug |
JP2019189884A (ja) * | 2016-07-25 | 2019-10-31 | 田中貴金属工業株式会社 | スパークプラグ電極用の材料 |
JP2019110114A (ja) * | 2017-12-19 | 2019-07-04 | 株式会社デンソー | スパークプラグ用電極、及びスパークプラグ |
JP7252621B2 (ja) * | 2019-09-05 | 2023-04-05 | 石福金属興業株式会社 | 高強度Ir合金 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07235364A (ja) * | 1993-12-23 | 1995-09-05 | Mintek | 点火栓又は点弧子用電極及びそれを用いた点火栓又は点弧子 |
JPH10259435A (ja) * | 1996-05-10 | 1998-09-29 | Furuya Kinzoku:Kk | イリジウム基合金 |
JPH1140314A (ja) * | 1997-07-11 | 1999-02-12 | Ngk Spark Plug Co Ltd | スパークプラグ |
JPH1154240A (ja) * | 1997-07-31 | 1999-02-26 | Ngk Spark Plug Co Ltd | スパークプラグ |
JPH11124642A (ja) * | 1997-08-19 | 1999-05-11 | Tokyo Tungsten Co Ltd | イリジウム含有金属材料及びその製造方法 |
JP2001203060A (ja) * | 2000-01-17 | 2001-07-27 | Ngk Spark Plug Co Ltd | スパークプラグ |
JP2002289319A (ja) * | 2001-03-23 | 2002-10-04 | Ngk Spark Plug Co Ltd | スパークプラグ |
JP2005533924A (ja) * | 2002-07-13 | 2005-11-10 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | 合金 |
JP2006100282A (ja) * | 2005-11-14 | 2006-04-13 | Ngk Spark Plug Co Ltd | スパークプラグ |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09291327A (ja) * | 1996-04-26 | 1997-11-11 | Sumitomo Electric Ind Ltd | 点火プラグ用電極材料 |
JP3000955B2 (ja) | 1996-05-13 | 2000-01-17 | 株式会社デンソー | スパークプラグ |
JPH1022051A (ja) * | 1996-06-28 | 1998-01-23 | Ngk Spark Plug Co Ltd | スパークプラグ |
JP3796342B2 (ja) * | 1998-01-19 | 2006-07-12 | 日本特殊陶業株式会社 | スパークプラグ及びその製造方法 |
JP4171206B2 (ja) | 2001-03-16 | 2008-10-22 | 株式会社デンソー | スパークプラグおよびその製造方法 |
US6864622B2 (en) * | 2001-03-28 | 2005-03-08 | Ngk Spark Plug Co., Ltd. | Spark plug |
JP2003317896A (ja) * | 2002-02-19 | 2003-11-07 | Denso Corp | スパークプラグ |
EP1628375B1 (en) | 2003-05-28 | 2010-05-05 | Ngk Spark Plug Co., Ltd. | Spark plug |
WO2006017687A2 (en) * | 2004-08-03 | 2006-02-16 | Federal-Mogul Corporation | Ignition device having a reflowed firing tip and method of making |
US20060082276A1 (en) * | 2004-10-14 | 2006-04-20 | Havard Karina C | Ignition device having noble metal fine wire electrodes |
DE102004063077B4 (de) * | 2004-12-28 | 2014-10-09 | Robert Bosch Gmbh | Zündeinrichtung |
-
2007
- 2007-09-21 KR KR1020087031276A patent/KR100950690B1/ko active IP Right Grant
- 2007-09-21 EP EP07808445.6A patent/EP2122156B1/en active Active
- 2007-09-21 CN CN2007800507599A patent/CN101622443B/zh active Active
- 2007-09-21 US US12/525,398 patent/US8217562B2/en active Active
- 2007-09-21 WO PCT/KR2007/004683 patent/WO2008093922A1/en active Application Filing
- 2007-09-21 JP JP2009548137A patent/JP4927955B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07235364A (ja) * | 1993-12-23 | 1995-09-05 | Mintek | 点火栓又は点弧子用電極及びそれを用いた点火栓又は点弧子 |
JPH10259435A (ja) * | 1996-05-10 | 1998-09-29 | Furuya Kinzoku:Kk | イリジウム基合金 |
JPH1140314A (ja) * | 1997-07-11 | 1999-02-12 | Ngk Spark Plug Co Ltd | スパークプラグ |
JPH1154240A (ja) * | 1997-07-31 | 1999-02-26 | Ngk Spark Plug Co Ltd | スパークプラグ |
JPH11124642A (ja) * | 1997-08-19 | 1999-05-11 | Tokyo Tungsten Co Ltd | イリジウム含有金属材料及びその製造方法 |
JP2001203060A (ja) * | 2000-01-17 | 2001-07-27 | Ngk Spark Plug Co Ltd | スパークプラグ |
JP2002289319A (ja) * | 2001-03-23 | 2002-10-04 | Ngk Spark Plug Co Ltd | スパークプラグ |
JP2005533924A (ja) * | 2002-07-13 | 2005-11-10 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | 合金 |
JP2006100282A (ja) * | 2005-11-14 | 2006-04-13 | Ngk Spark Plug Co Ltd | スパークプラグ |
Also Published As
Publication number | Publication date |
---|---|
EP2122156A1 (en) | 2009-11-25 |
KR20090029225A (ko) | 2009-03-20 |
EP2122156A4 (en) | 2012-01-04 |
WO2008093922A1 (en) | 2008-08-07 |
CN101622443B (zh) | 2012-10-03 |
US20100026159A1 (en) | 2010-02-04 |
JP2010517248A (ja) | 2010-05-20 |
CN101622443A (zh) | 2010-01-06 |
KR100950690B1 (ko) | 2010-03-31 |
US8217562B2 (en) | 2012-07-10 |
EP2122156B1 (en) | 2013-09-04 |
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