JP2021174659A5 - - Google Patents

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Publication number
JP2021174659A5
JP2021174659A5 JP2020077015A JP2020077015A JP2021174659A5 JP 2021174659 A5 JP2021174659 A5 JP 2021174659A5 JP 2020077015 A JP2020077015 A JP 2020077015A JP 2020077015 A JP2020077015 A JP 2020077015A JP 2021174659 A5 JP2021174659 A5 JP 2021174659A5
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JP
Japan
Prior art keywords
tip
insulating insulator
diameter
small
axial
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
Application number
JP2020077015A
Other languages
English (en)
Japanese (ja)
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JP2021174659A (ja
JP7392563B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2020077015A priority Critical patent/JP7392563B2/ja
Priority claimed from JP2020077015A external-priority 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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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 true JP2021174659A5 (enExample) 2022-04-14
JP7392563B2 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 (enExample)
JP (1) JP7392563B2 (enExample)
DE (1) DE112021002565T5 (enExample)
WO (1) WO2021215301A1 (enExample)

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

Family Cites Families (9)

* 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
DE10144976A1 (de) 2001-09-12 2003-04-03 Beru Ag Zündkerze mit Mittelelektrode und Vorkammer
DE102010004851B4 (de) 2009-12-18 2014-05-28 Federal-Mogul Ignition Gmbh Vorkammer-Zündkerze für eine mit Gas betriebene Brennkraftmaschine
ES2681220T3 (es) 2010-12-31 2018-09-12 Prometheus Applied Technologies, Llc Sistema de ignición de precámara
JP6045464B2 (ja) 2013-09-11 2016-12-14 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
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

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