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
- Authority
- 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
Links
- 239000012212 insulator Substances 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000011162 core material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000009751 slip forming Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
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)
| 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)
| 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 |
-
2020
- 2020-04-24 JP JP2020077015A patent/JP7392563B2/ja active Active
-
2021
- 2021-04-13 DE DE112021002565.1T patent/DE112021002565T5/de active Pending
- 2021-04-13 WO PCT/JP2021/015304 patent/WO2021215301A1/ja not_active Ceased
-
2022
- 2022-10-20 US US17/970,092 patent/US11695256B2/en active Active
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