JP4402731B2 - 内燃機関用スパークプラグ及びスパークプラグの製造方法 - Google Patents

内燃機関用スパークプラグ及びスパークプラグの製造方法 Download PDF

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Publication number
JP4402731B2
JP4402731B2 JP2008161565A JP2008161565A JP4402731B2 JP 4402731 B2 JP4402731 B2 JP 4402731B2 JP 2008161565 A JP2008161565 A JP 2008161565A JP 2008161565 A JP2008161565 A JP 2008161565A JP 4402731 B2 JP4402731 B2 JP 4402731B2
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JP
Japan
Prior art keywords
noble metal
ground electrode
metal tip
tip
end side
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.)
Active
Application number
JP2008161565A
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English (en)
Japanese (ja)
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JP2009054572A (ja
Inventor
裕之 亀田
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug Co Ltd
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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority to JP2008161565A priority Critical patent/JP4402731B2/ja
Priority to US12/183,109 priority patent/US8115372B2/en
Priority to EP08013795A priority patent/EP2020713B1/en
Priority to DE602008005675T priority patent/DE602008005675D1/de
Priority to CN2008101354173A priority patent/CN101359811B/zh
Priority to KR1020080075650A priority patent/KR101123501B1/ko
Publication of JP2009054572A publication Critical patent/JP2009054572A/ja
Application granted granted Critical
Publication of JP4402731B2 publication Critical patent/JP4402731B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01T13/32—Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode
    • 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
    • H01T21/00—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs
    • H01T21/02—Apparatus or processes specially adapted for the manufacture or maintenance of spark gaps or sparking plugs of sparking plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Spark Plugs (AREA)
JP2008161565A 2007-08-01 2008-06-20 内燃機関用スパークプラグ及びスパークプラグの製造方法 Active JP4402731B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2008161565A JP4402731B2 (ja) 2007-08-01 2008-06-20 内燃機関用スパークプラグ及びスパークプラグの製造方法
US12/183,109 US8115372B2 (en) 2007-08-01 2008-07-31 Spark plug for internal combustion engine and method of manufacturing the same
EP08013795A EP2020713B1 (en) 2007-08-01 2008-07-31 Spark plug for internal combustion engine and method of manufacturing the same
DE602008005675T DE602008005675D1 (de) 2007-08-01 2008-07-31 Zündkerze für Verbrennungsmotoren und Verfahren zu ihrer Herstellung
CN2008101354173A CN101359811B (zh) 2007-08-01 2008-08-01 内燃机用火花塞及火花塞的制造方法
KR1020080075650A KR101123501B1 (ko) 2007-08-01 2008-08-01 내연기관용 스파크 플러그 및 스파크 플러그의 제조방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007200283 2007-08-01
JP2008161565A JP4402731B2 (ja) 2007-08-01 2008-06-20 内燃機関用スパークプラグ及びスパークプラグの製造方法

Publications (2)

Publication Number Publication Date
JP2009054572A JP2009054572A (ja) 2009-03-12
JP4402731B2 true JP4402731B2 (ja) 2010-01-20

Family

ID=40332181

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008161565A Active JP4402731B2 (ja) 2007-08-01 2008-06-20 内燃機関用スパークプラグ及びスパークプラグの製造方法

Country Status (4)

Country Link
JP (1) JP4402731B2 (zh)
KR (1) KR101123501B1 (zh)
CN (1) CN101359811B (zh)
DE (1) DE602008005675D1 (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4999945B2 (ja) * 2009-02-10 2012-08-15 日本特殊陶業株式会社 スパークプラグの製造方法
US8506341B2 (en) * 2009-03-31 2013-08-13 Ngk Spark Plug Co., Ltd. Method of manufacturing sparkplugs
JP5213782B2 (ja) * 2009-03-31 2013-06-19 日本特殊陶業株式会社 スパークプラグ
JP5022465B2 (ja) * 2009-04-09 2012-09-12 日本特殊陶業株式会社 内燃機関用スパークプラグ及びその製造方法
JP5167211B2 (ja) * 2009-07-29 2013-03-21 日本特殊陶業株式会社 スパークプラグの製造装置及び製造方法
JP4928596B2 (ja) * 2009-12-04 2012-05-09 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
JP5337057B2 (ja) * 2010-01-05 2013-11-06 日本特殊陶業株式会社 スパークプラグ
JP5044665B2 (ja) * 2010-01-26 2012-10-10 日本特殊陶業株式会社 スパークプラグ
JP4759090B1 (ja) * 2010-02-18 2011-08-31 日本特殊陶業株式会社 スパークプラグ
JP6069082B2 (ja) * 2013-04-24 2017-01-25 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
JP6174971B2 (ja) * 2013-11-11 2017-08-02 日本特殊陶業株式会社 グロープラグの製造方法
JP5980247B2 (ja) * 2014-01-24 2016-08-31 日本特殊陶業株式会社 スパークプラグ
JP5987013B2 (ja) * 2014-01-24 2016-09-06 日本特殊陶業株式会社 スパークプラグ
US9887518B2 (en) 2014-05-15 2018-02-06 Ngk Spark Plug Co., Ltd. Spark plug
JP6293107B2 (ja) * 2015-12-03 2018-03-14 日本特殊陶業株式会社 点火プラグ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4271379B2 (ja) * 2001-02-08 2009-06-03 株式会社デンソー スパークプラグ
JP4069826B2 (ja) * 2003-07-30 2008-04-02 株式会社デンソー スパークプラグおよびその製造方法

Also Published As

Publication number Publication date
DE602008005675D1 (de) 2011-05-05
JP2009054572A (ja) 2009-03-12
CN101359811B (zh) 2012-06-13
KR101123501B1 (ko) 2012-03-23
KR20090013731A (ko) 2009-02-05
CN101359811A (zh) 2009-02-04

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