JP7392563B2 - 内燃機関用のスパークプラグ - Google Patents

内燃機関用のスパークプラグ Download PDF

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Publication number
JP7392563B2
JP7392563B2 JP2020077015A JP2020077015A JP7392563B2 JP 7392563 B2 JP7392563 B2 JP 7392563B2 JP 2020077015 A JP2020077015 A JP 2020077015A JP 2020077015 A JP2020077015 A JP 2020077015A JP 7392563 B2 JP7392563 B2 JP 7392563B2
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JP
Japan
Prior art keywords
tip
center electrode
insulator
small diameter
core material
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
JP2020077015A
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English (en)
Japanese (ja)
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JP2021174659A (ja
JP2021174659A5 (https=
Inventor
明光 杉浦
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Priority to JP2020077015A priority Critical patent/JP7392563B2/ja
Priority to DE112021002565.1T priority patent/DE112021002565T5/de
Priority to PCT/JP2021/015304 priority patent/WO2021215301A1/ja
Publication of JP2021174659A publication Critical patent/JP2021174659A/ja
Publication of JP2021174659A5 publication Critical patent/JP2021174659A5/ja
Priority to US17/970,092 priority patent/US11695256B2/en
Application granted granted Critical
Publication of JP7392563B2 publication Critical patent/JP7392563B2/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
    • H01T13/38—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
    • H01T13/20—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
    • 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
    • H01T13/16—Means for dissipating heat
    • 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
    • H01T13/54—Sparking plugs having electrodes arranged in a partly-enclosed ignition chamber
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Spark Plugs (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
JP2020077015A 2020-04-24 2020-04-24 内燃機関用のスパークプラグ Active JP7392563B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020077015A JP7392563B2 (ja) 2020-04-24 2020-04-24 内燃機関用のスパークプラグ
DE112021002565.1T DE112021002565T5 (de) 2020-04-24 2021-04-13 Zündkerze für eine Maschine mit interner Verbrennung
PCT/JP2021/015304 WO2021215301A1 (ja) 2020-04-24 2021-04-13 内燃機関用のスパークプラグ
US17/970,092 US11695256B2 (en) 2020-04-24 2022-10-20 Spark plug for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020077015A JP7392563B2 (ja) 2020-04-24 2020-04-24 内燃機関用のスパークプラグ

Publications (3)

Publication Number Publication Date
JP2021174659A JP2021174659A (ja) 2021-11-01
JP2021174659A5 JP2021174659A5 (https=) 2022-04-14
JP7392563B2 true JP7392563B2 (ja) 2023-12-06

Family

ID=78269243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020077015A Active JP7392563B2 (ja) 2020-04-24 2020-04-24 内燃機関用のスパークプラグ

Country Status (4)

Country Link
US (1) US11695256B2 (https=)
JP (1) JP7392563B2 (https=)
DE (1) DE112021002565T5 (https=)
WO (1) WO2021215301A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7564065B2 (ja) * 2021-07-09 2024-10-08 日本特殊陶業株式会社 スパークプラグ
JP7503526B2 (ja) * 2021-07-09 2024-06-20 日本特殊陶業株式会社 スパークプラグ
JP7609053B2 (ja) * 2021-12-22 2025-01-07 株式会社デンソー 内燃機関用のスパークプラグ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10144976A1 (de) 2001-09-12 2003-04-03 Beru Ag Zündkerze mit Mittelelektrode und Vorkammer
JP2014502692A (ja) 2010-12-31 2014-02-03 プロメテウス アプライド テクノロジーズ，エルエルシー プレチャンバー点火装置
JP2015056258A (ja) 2013-09-11 2015-03-23 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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04366579A (ja) * 1991-06-13 1992-12-18 Ngk Spark Plug Co Ltd スパークプラグ
JPH0737672A (ja) * 1993-07-22 1995-02-07 Ngk Spark Plug Co Ltd 内燃機関用スパークプラグ
US6013973A (en) * 1997-10-24 2000-01-11 Sato; Jun Spark plug having a sub-combustion chamber for use in fuel ignition systems
DE102010004851B4 (de) 2009-12-18 2014-05-28 Federal-Mogul Ignition Gmbh Vorkammer-Zündkerze für eine mit Gas betriebene Brennkraftmaschine
DE102015117113B4 (de) 2015-10-07 2017-06-01 Federal-Mogul Ignition Gmbh Vorkammerzündkerze für eine mit Gas betriebene Brennkraftmaschine
US10938187B1 (en) * 2020-05-08 2021-03-02 Caterpillar Inc. Prechamber sparkplug having electrodes located for inhibiting flame kernel quenching

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10144976A1 (de) 2001-09-12 2003-04-03 Beru Ag Zündkerze mit Mittelelektrode und Vorkammer
JP2014502692A (ja) 2010-12-31 2014-02-03 プロメテウス アプライド テクノロジーズ，エルエルシー プレチャンバー点火装置
JP2015056258A (ja) 2013-09-11 2015-03-23 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

Also Published As

Publication number Publication date
JP2021174659A (ja) 2021-11-01
WO2021215301A1 (ja) 2021-10-28
US20230038174A1 (en) 2023-02-09
US11695256B2 (en) 2023-07-04
DE112021002565T5 (de) 2023-03-02

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