JP7468247B2 - 内燃機関の点火装置 - Google Patents

内燃機関の点火装置 Download PDF

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Publication number
JP7468247B2
JP7468247B2 JP2020140349A JP2020140349A JP7468247B2 JP 7468247 B2 JP7468247 B2 JP 7468247B2 JP 2020140349 A JP2020140349 A JP 2020140349A JP 2020140349 A JP2020140349 A JP 2020140349A JP 7468247 B2 JP7468247 B2 JP 7468247B2
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Japan
Prior art keywords
discharge
internal combustion
combustion engine
control unit
period
Prior art date
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Active
Application number
JP2020140349A
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English (en)
Japanese (ja)
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JP2022035792A5 (enExample
JP2022035792A (ja
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 JP2020140349A priority Critical patent/JP7468247B2/ja
Priority to PCT/JP2021/026588 priority patent/WO2022038930A1/ja
Publication of JP2022035792A publication Critical patent/JP2022035792A/ja
Publication of JP2022035792A5 publication Critical patent/JP2022035792A5/ja
Priority to US18/110,539 priority patent/US11939943B2/en
Application granted granted Critical
Publication of JP7468247B2 publication Critical patent/JP7468247B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/12—Engines characterised by precombustion chambers with positive ignition
    • 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
    • F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
    • F02P15/10—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits having continuous electric sparks
    • 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
    • H01T15/00—Circuits specially adapted for spark gaps, e.g. ignition circuits
    • 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
    • F02P9/00—Electric spark ignition control, not otherwise provided for
    • F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
    • F02P9/007—Control of spark intensity, intensifying, lengthening, suppression by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Spark Plugs (AREA)
JP2020140349A 2020-08-21 2020-08-21 内燃機関の点火装置 Active JP7468247B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020140349A JP7468247B2 (ja) 2020-08-21 2020-08-21 内燃機関の点火装置
PCT/JP2021/026588 WO2022038930A1 (ja) 2020-08-21 2021-07-15 内燃機関の点火装置
US18/110,539 US11939943B2 (en) 2020-08-21 2023-02-16 Ignition apparatus for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020140349A JP7468247B2 (ja) 2020-08-21 2020-08-21 内燃機関の点火装置

Publications (3)

Publication Number Publication Date
JP2022035792A JP2022035792A (ja) 2022-03-04
JP2022035792A5 JP2022035792A5 (enExample) 2022-06-01
JP7468247B2 true JP7468247B2 (ja) 2024-04-16

Family

ID=80323624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020140349A Active JP7468247B2 (ja) 2020-08-21 2020-08-21 内燃機関の点火装置

Country Status (3)

Country Link
US (1) US11939943B2 (enExample)
JP (1) JP7468247B2 (enExample)
WO (1) WO2022038930A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7224413B1 (ja) 2021-09-29 2023-02-17 三菱電機株式会社 内燃機関の制御装置
DE102022207300A1 (de) * 2022-07-18 2024-01-18 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren und Vorrichtung zur Steuerung einer Vorkammerzündkerze

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001280229A (ja) 1999-10-21 2001-10-10 Denso Corp 火花点火装置
US20090025670A1 (en) 2007-07-25 2009-01-29 Gerald Filipek Spark to flame conversion unit, such as employed with an existing spark plug or heat source supplied glow plug for accomplishing more efficient piston combustion
JP2017103179A (ja) 2015-12-04 2017-06-08 株式会社デンソー 点火プラグ
DE102017221517A1 (de) 2017-11-30 2019-06-06 Robert Bosch Gmbh Zündkerze mit verlängertem Gehäuse und Masseelektrode an der Gehäuseinnenseite
JP2019190362A (ja) 2018-04-25 2019-10-31 株式会社Ｓｏｋｅｎ 点火装置
JP2020159355A (ja) 2019-03-21 2020-10-01 株式会社Ｓｏｋｅｎ 内燃機関用のスパークプラグ及びこれを備えた内燃機関

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3973501B2 (ja) * 2002-07-09 2007-09-12 東京瓦斯株式会社 副室式内燃機関
JP2012041846A (ja) * 2010-08-18 2012-03-01 Daihatsu Motor Co Ltd 内燃機関の燃料噴射及び点火時期制御方法
JP5911547B1 (ja) * 2014-10-20 2016-04-27 三菱電機株式会社 内燃機関の制御装置
JP6741513B2 (ja) 2016-08-04 2020-08-19 株式会社デンソー 内燃機関の点火装置
US10174667B1 (en) * 2017-11-17 2019-01-08 Caterpillar Inc. Prechamber ignition device for internal combustion engines and method
JP6818077B2 (ja) 2018-07-03 2021-01-20 日本特殊陶業株式会社 スパークプラグ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001280229A (ja) 1999-10-21 2001-10-10 Denso Corp 火花点火装置
US20090025670A1 (en) 2007-07-25 2009-01-29 Gerald Filipek Spark to flame conversion unit, such as employed with an existing spark plug or heat source supplied glow plug for accomplishing more efficient piston combustion
JP2017103179A (ja) 2015-12-04 2017-06-08 株式会社デンソー 点火プラグ
DE102017221517A1 (de) 2017-11-30 2019-06-06 Robert Bosch Gmbh Zündkerze mit verlängertem Gehäuse und Masseelektrode an der Gehäuseinnenseite
JP2019190362A (ja) 2018-04-25 2019-10-31 株式会社Ｓｏｋｅｎ 点火装置
JP2020159355A (ja) 2019-03-21 2020-10-01 株式会社Ｓｏｋｅｎ 内燃機関用のスパークプラグ及びこれを備えた内燃機関

Also Published As

Publication number Publication date
WO2022038930A1 (ja) 2022-02-24
US20230193870A1 (en) 2023-06-22
US11939943B2 (en) 2024-03-26
JP2022035792A (ja) 2022-03-04

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