WO2009063976A1 - スパークプラグ - Google Patents

スパークプラグ Download PDF

Info

Publication number
WO2009063976A1
WO2009063976A1 PCT/JP2008/070769 JP2008070769W WO2009063976A1 WO 2009063976 A1 WO2009063976 A1 WO 2009063976A1 JP 2008070769 W JP2008070769 W JP 2008070769W WO 2009063976 A1 WO2009063976 A1 WO 2009063976A1
Authority
WO
WIPO (PCT)
Prior art keywords
base part
noble metal
metal member
melt
points
Prior art date
Application number
PCT/JP2008/070769
Other languages
English (en)
French (fr)
Inventor
Akira Suzuki
Naomichi Miyashita
Kazuyoshi Torii
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 US12/743,022 priority Critical patent/US8378560B2/en
Priority to KR1020107010680A priority patent/KR101486108B1/ko
Priority to EP08850793.4A priority patent/EP2211433B1/en
Priority to CN2008801160602A priority patent/CN101861686B/zh
Priority to JP2009514576A priority patent/JP5113161B2/ja
Publication of WO2009063976A1 publication Critical patent/WO2009063976A1/ja

Links

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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/04—Alloys based on a platinum group metal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Spark Plugs (AREA)

Abstract

　接地電極（３０）の発火部（８０）は、根元部（８２）に貴金属部材（８１）をレーザ溶接により両者の構成材料が互いに溶け合い混合した溶融部（８５）を有する。この溶融部（８５）において、点Ｋ１，Ｌ１，Ｍ１における貴金属部材（８１）由来の成分の占める平均割合Ｐが８０％以上であり、点Ｋ３，Ｌ３，Ｍ３における根元部由来の成分の占める平均割合Ｑが２０％以上であり、Ｐ＋Ｑが１６０％以下である。これにより発火部（８０）では部位に応じた接合強度を得ることができ、熱応力によるクラックや剥離等の発生を十分に抑制できる。
PCT/JP2008/070769 2007-11-15 2008-11-14 スパークプラグ WO2009063976A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US12/743,022 US8378560B2 (en) 2007-11-15 2008-11-14 Spark plug
KR1020107010680A KR101486108B1 (ko) 2007-11-15 2008-11-14 스파크 플러그
EP08850793.4A EP2211433B1 (en) 2007-11-15 2008-11-14 Spark plug
CN2008801160602A CN101861686B (zh) 2007-11-15 2008-11-14 火花塞
JP2009514576A JP5113161B2 (ja) 2007-11-15 2008-11-14 スパークプラグ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007297359 2007-11-15
JP2007-297359 2007-11-15

Publications (1)

Publication Number Publication Date
WO2009063976A1 true WO2009063976A1 (ja) 2009-05-22

Family

ID=40638822

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/070769 WO2009063976A1 (ja) 2007-11-15 2008-11-14 スパークプラグ

Country Status (6)

Country Link
US (1) US8378560B2 (ja)
EP (1) EP2211433B1 (ja)
JP (1) JP5113161B2 (ja)
KR (1) KR101486108B1 (ja)
CN (1) CN101861686B (ja)
WO (1) WO2009063976A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8994257B2 (en) 2012-02-28 2015-03-31 Denso Corporation Spark plug for internal combustion engine and method for manufacturing same
JP2016012502A (ja) * 2014-06-30 2016-01-21 日本特殊陶業株式会社 スパークプラグ
JP2017126557A (ja) * 2016-01-13 2017-07-20 日本特殊陶業株式会社 スパークプラグ
JP2020530649A (ja) * 2017-08-17 2020-10-22 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ スパークプラグ電極及びかかるスパークプラグ電極の製造方法並びにスパークプラグ電極を備えるスパークプラグ
JP7390269B2 (ja) 2020-09-08 2023-12-01 日本特殊陶業株式会社 スパークプラグ

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8344605B2 (en) * 2008-11-06 2013-01-01 Ngk Spark Plug Co., Ltd. Spark plug and manufacturing method therefor
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
WO2012116062A2 (en) 2011-02-22 2012-08-30 Federal-Mogul Ignition Company Electrode material for a spark plug
JP2012190737A (ja) * 2011-03-14 2012-10-04 Ngk Spark Plug Co Ltd スパークプラグ及びその製造方法
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
DE112013002619B4 (de) 2012-05-22 2018-12-27 Federal-Mogul Ignition Company Verfahren zum Herstellen eines Elektrodenmaterials
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
US9935430B2 (en) * 2012-12-17 2018-04-03 Ngk Spark Plug Co., Ltd. Spark plug
DE102014223792A1 (de) * 2014-11-21 2016-05-25 Robert Bosch Gmbh Zündkerzenelektrode, Verfahren zu deren Herstellung und Zündkerze
JP6105694B2 (ja) * 2015-09-04 2017-03-29 日本特殊陶業株式会社 スパークプラグ
US10063037B2 (en) * 2016-01-13 2018-08-28 Ngk Spark Plug Co., Ltd. Spark plug
JP6731450B2 (ja) * 2018-07-11 2020-07-29 日本特殊陶業株式会社 スパークプラグ
KR102601307B1 (ko) 2018-11-14 2023-11-13 한화오션 주식회사 선박용 연료 공급 시스템 및 방법
JP2021082539A (ja) 2019-11-21 2021-05-27 株式会社デンソー スパークプラグ、及び中心電極の製造方法
JP7121081B2 (ja) * 2020-08-19 2022-08-17 日本特殊陶業株式会社 スパークプラグ
CN114678776B (zh) * 2022-04-25 2022-12-23 潍柴火炬科技股份有限公司 一种火花塞

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04366580A (ja) * 1991-06-13 1992-12-18 Ngk Spark Plug Co Ltd スパークプラグ
JPH11204233A (ja) * 1998-01-19 1999-07-30 Ngk Spark Plug Co Ltd スパークプラグ
JPH11233233A (ja) * 1998-02-16 1999-08-27 Denso Corp 内燃機関用のスパークプラグ
JP2001060488A (ja) * 1999-08-20 2001-03-06 Ngk Spark Plug Co Ltd スパークプラグの製造方法及びスパークプラグ
JP2004134209A (ja) 2002-10-10 2004-04-30 Ngk Spark Plug Co Ltd スパークプラグ及びその製造方法
JP2005123167A (ja) * 2003-09-27 2005-05-12 Ngk Spark Plug Co Ltd スパークプラグ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3301094B2 (ja) * 1991-12-13 2002-07-15 株式会社デンソー 内燃機関用スパークプラグおよびその製造方法
US5856724A (en) * 1994-02-08 1999-01-05 General Motors Corporation High efficiency, extended life spark plug having shaped firing tips
JP4419327B2 (ja) * 2000-04-03 2010-02-24 株式会社デンソー 内燃機関用スパークプラグ及びその製造方法
JP2002184551A (ja) * 2000-10-03 2002-06-28 Nippon Soken Inc スパークプラグ及びそれを用いた点火装置
JP4271379B2 (ja) * 2001-02-08 2009-06-03 株式会社デンソー スパークプラグ
JP3702838B2 (ja) * 2001-02-08 2005-10-05 株式会社デンソー スパークプラグおよびその製造方法
JP4028256B2 (ja) * 2002-02-27 2007-12-26 日本特殊陶業株式会社 スパークプラグの製造方法
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
US7187110B2 (en) 2003-09-27 2007-03-06 Ngk Spark Plug Co., Ltd. Spark plug
US7666047B2 (en) * 2003-11-21 2010-02-23 Ngk Spark Plug Co., Ltd. Method for securing a metal noble tip to an electrode of a spark plug using a resistance and laser welding process
JP4680513B2 (ja) * 2004-01-13 2011-05-11 日本特殊陶業株式会社 スパークプラグの製造方法およびスパークプラグ
US7557495B2 (en) * 2005-11-08 2009-07-07 Paul Tinwell Spark plug having precious metal pad attached to ground electrode and method of making same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04366580A (ja) * 1991-06-13 1992-12-18 Ngk Spark Plug Co Ltd スパークプラグ
JPH11204233A (ja) * 1998-01-19 1999-07-30 Ngk Spark Plug Co Ltd スパークプラグ
JPH11233233A (ja) * 1998-02-16 1999-08-27 Denso Corp 内燃機関用のスパークプラグ
JP2001060488A (ja) * 1999-08-20 2001-03-06 Ngk Spark Plug Co Ltd スパークプラグの製造方法及びスパークプラグ
JP2004134209A (ja) 2002-10-10 2004-04-30 Ngk Spark Plug Co Ltd スパークプラグ及びその製造方法
JP2005123167A (ja) * 2003-09-27 2005-05-12 Ngk Spark Plug Co Ltd スパークプラグ

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8994257B2 (en) 2012-02-28 2015-03-31 Denso Corporation Spark plug for internal combustion engine and method for manufacturing same
JP2016012502A (ja) * 2014-06-30 2016-01-21 日本特殊陶業株式会社 スパークプラグ
JP2017126557A (ja) * 2016-01-13 2017-07-20 日本特殊陶業株式会社 スパークプラグ
JP2020530649A (ja) * 2017-08-17 2020-10-22 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングＲｏｂｅｒｔ Ｂｏｓｃｈ Ｇｍｂｈ スパークプラグ電極及びかかるスパークプラグ電極の製造方法並びにスパークプラグ電極を備えるスパークプラグ
JP7390269B2 (ja) 2020-09-08 2023-12-01 日本特殊陶業株式会社 スパークプラグ

Also Published As

Publication number Publication date
US8378560B2 (en) 2013-02-19
EP2211433B1 (en) 2019-01-16
EP2211433A4 (en) 2014-06-18
EP2211433A1 (en) 2010-07-28
JPWO2009063976A1 (ja) 2011-03-31
CN101861686B (zh) 2012-12-26
CN101861686A (zh) 2010-10-13
JP5113161B2 (ja) 2013-01-09
KR101486108B1 (ko) 2015-01-23
US20100253203A1 (en) 2010-10-07
KR20100075641A (ko) 2010-07-02

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