JPWO2015182774A1 - 点火装置内蔵インジェクタ - Google Patents
点火装置内蔵インジェクタ Download PDFInfo
- Publication number
- JPWO2015182774A1 JPWO2015182774A1 JP2016523595A JP2016523595A JPWO2015182774A1 JP WO2015182774 A1 JPWO2015182774 A1 JP WO2015182774A1 JP 2016523595 A JP2016523595 A JP 2016523595A JP 2016523595 A JP2016523595 A JP 2016523595A JP WO2015182774 A1 JPWO2015182774 A1 JP WO2015182774A1
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- ignition device
- injector
- fuel injection
- electrode
- 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
- 239000000446 fuel Substances 0.000 claims abstract description 97
- 238000002347 injection Methods 0.000 claims abstract description 70
- 239000007924 injection Substances 0.000 claims abstract description 70
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 15
- 230000008878 coupling Effects 0.000 description 14
- 238000010168 coupling process Methods 0.000 description 14
- 238000005859 coupling reaction Methods 0.000 description 14
- 239000012212 insulator Substances 0.000 description 13
- 230000002093 peripheral effect Effects 0.000 description 13
- 239000003990 capacitor Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000003502 gasoline Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010356 wave oscillation Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Classifications
-
- 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
- F02P15/006—Ignition installations combined with other systems, e.g. fuel injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/06—Fuel-injectors combined or associated with other devices the devices being sparking plugs
-
- 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
- F02P23/00—Other ignition
- F02P23/04—Other physical ignition means, e.g. using laser rays
-
- 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
- F02P23/00—Other ignition
- F02P23/04—Other physical ignition means, e.g. using laser rays
- F02P23/045—Other physical ignition means, e.g. using laser rays using electromagnetic microwaves
-
- 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
- F02P3/00—Other installations
- F02P3/01—Electric spark ignition installations without subsequent energy storage, i.e. energy supplied by an electrical oscillator
-
- 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
- H01T13/40—Sparking plugs structurally combined with other devices
-
- 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
- H01T13/40—Sparking plugs structurally combined with other devices
- H01T13/44—Sparking plugs structurally combined with other devices with transformers, e.g. for high-frequency 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
- 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
- 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
- F02P15/02—Arrangements having two or more sparking plugs
Landscapes
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Spark Plugs (AREA)
- Fuel-Injection Apparatus (AREA)
- Plasma Technology (AREA)
Abstract
Description
燃料を噴射する噴射口を備えた燃料噴射装置と、
噴射された燃料を点火する点火装置と、
前記燃料噴射装置及び点火装置を内部に配設するケーシングからなり、
前記点火装置が、電磁波を発信する電磁波発信器と容量結合した共振構造からなる昇圧手段、接地電極及び放電電極を一体的に形成し、前記昇圧手段により、前記接地電極、放電電極間の電位差を高め放電を生じさせるプラズマ生成器である点火装置内蔵インジェクタである。
本実施形態1は、本発明に係る点火装置内蔵インジェクタ1である。当該点火装置内蔵インジェクタ1は、図1に示すように、燃料噴射装置2、点火装置としてのプラズマ生成器3及びケーシング10を備えている。
燃料噴射装置2の概略を図2に示す。燃料噴射装置2は、周知のごとく、燃料を噴射する噴射口2aに連なるオリフィス23a(弁座)からノズルニードル24の先端(弁体)をアクチュエータ21の作動によって接離させるように構成されている。アクチュエータ21は、図に示すように電磁コイルアクチュエータを用いることもできるが、燃料の噴射時間、噴射タイミング(多段噴射)をナノ秒単位で制御可能なピエゾ素子(ピエゾ素子アクチュエータ)を用いることが好ましい。
プラズマ生成器3は、電磁波を発信する電磁波発信器MWと容量結合した共振構造からなる昇圧手段5、接地電極(ケース51の先端部51a)及び放電電極55aを一体的に形成している。そして、昇圧手段5により、接地電極(先端部51a)、放電電極55a間の電位差を高め(高電圧を発生させ)放電を生じさせるようにしている。なお、断面図のハッチング部は金属、クロスハッチング部は絶縁体(誘電体)を示す。
点火装置としてのプラズマ生成器3のプラズマ生成動作について説明する。プラズマ生成動作では、放電部6からの放電により、放電部6の近傍にプラズマが生じ、燃料噴射弁2から噴射される燃料が点火する。
本実施形態1の点火装置内蔵インジェクタ1は、燃料噴射装置2と点火装置として使用されるプラズマ生成器3とを並列に配置して1のケーシング10内に収納した構造であっても、プラズマ生成器3の外形寸法が小径であり装置全体の外径寸法の大幅なコンパクト化を図ることができる。
実施形態1の変形例1では、点火装置としてのプラズマ生成器3からの放電プラズマに電磁波を供給し、プラズマの維持拡大を行うための電磁波照射アンテナ4を備えている。電磁波照射アンテナ4を配設している以外の構成は実施形態1と同様であり、説明を省略する。
10 ケーシング
2 燃料噴射装置
2a 噴射口
22 付勢手段
23 燃料溜まり室
24 ノズルニードル
25 圧力室
3 プラズマ生成器
4 電磁波照射アンテナ
5 昇圧手段
51 ケース
51a 先端部
52 入力端
53 入力部の中心電極
54 結合部の電極
55 出力部の中心電極
55a 放電電極
59 絶縁体
6 放電部
Claims (3)
- 燃料を噴射する噴射口を備えた燃料噴射装置と、
噴射された燃料を点火する点火装置と、
前記燃料噴射装置及び点火装置を内部に配設するケーシングからなり、
前記点火装置が、電磁波を発信する電磁波発信器と容量結合した共振構造からなる昇圧手段、接地電極及び放電電極を一体的に形成し、前記昇圧手段により、前記接地電極、放電電極間の電位差を高め放電を生じさせるプラズマ生成器である点火装置内蔵インジェクタ。 - 前記プラズマ生成器を、ケーシング内に複数配設した請求項1記載の点火装置内蔵インジェクタ。
- 前記プラズマ生成器の放電部が、燃料噴射装置の軸心と同軸の円周上に位置するようにした請求項2記載の点火装置内蔵インジェクタ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014111755 | 2014-05-29 | ||
JP2014111755 | 2014-05-29 | ||
PCT/JP2015/065673 WO2015182774A1 (ja) | 2014-05-29 | 2015-05-29 | 点火装置内蔵インジェクタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2015182774A1 true JPWO2015182774A1 (ja) | 2017-06-01 |
JP6685518B2 JP6685518B2 (ja) | 2020-04-22 |
Family
ID=54699091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016523595A Active JP6685518B2 (ja) | 2014-05-29 | 2015-05-29 | 点火装置内蔵インジェクタ |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170276109A1 (ja) |
EP (1) | EP3150841A4 (ja) |
JP (1) | JP6685518B2 (ja) |
WO (1) | WO2015182774A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170248109A1 (en) * | 2014-05-29 | 2017-08-31 | Imagineering, Inc. | Injector having in-built ignition system |
US20170306918A1 (en) * | 2014-08-21 | 2017-10-26 | Imagineering, Inc. | Compression-ignition type internal combustion engine, and internal combustion engine |
US10161369B2 (en) * | 2014-08-22 | 2018-12-25 | Imagineering, Inc. | Injector built-in ignition device, internal combustion engine, gas burner, and ignition device |
WO2016084772A1 (ja) * | 2014-11-24 | 2016-06-02 | イマジニアリング株式会社 | 点火ユニット、点火システム、及び内燃機関 |
JPWO2018225169A1 (ja) * | 2017-06-07 | 2020-04-09 | イマジニアリング株式会社 | 点火装置 |
US10808643B2 (en) * | 2018-04-28 | 2020-10-20 | Dongguan University Of Technology | Homogenous charge electromagnetic volume ignition internal combustion engine and its ignition method |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5361737A (en) * | 1992-09-30 | 1994-11-08 | West Virginia University | Radio frequency coaxial cavity resonator as an ignition source and associated method |
JP2001317360A (ja) * | 2000-05-01 | 2001-11-16 | Shigeru Nagano | ディーゼルエンジン |
DE10239411A1 (de) * | 2002-08-28 | 2004-03-18 | Robert Bosch Gmbh | Vorrichtung zum Zünden eines Luft-Kraftstoff-Gemischs in einem Verbrennungsmotor |
JP2008157037A (ja) * | 2006-12-20 | 2008-07-10 | Toyota Motor Corp | 内燃機関 |
JP2010520400A (ja) * | 2007-03-01 | 2010-06-10 | ルノー・エス・アー・エス | 単一の電力段による複数のプラグコイルの制御 |
US20130004905A1 (en) * | 2000-02-11 | 2013-01-03 | Jayne Michael E | Furnace using plasma ignition system for hydrocarbon combustion |
JP2013503295A (ja) * | 2009-08-27 | 2013-01-31 | マクアリスター テクノロジーズ エルエルシー | 燃料噴射器アクチュエータ組立体並びに関連する使用及び製造方法 |
WO2015025913A1 (ja) * | 2013-08-21 | 2015-02-26 | イマジニアリング株式会社 | 内燃機関の点火装置及び内燃機関 |
JP2015509262A (ja) * | 2011-12-29 | 2015-03-26 | オネラ(オフィス ナシオナル デチュドゥ エ ドゥ ルシェルシュ アエロスパシアル) | プラズマ推進機およびプラズマ推進力を生成するための方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10360192A1 (de) * | 2003-12-20 | 2005-07-14 | Robert Bosch Gmbh | Vorrrichtung zum Zünden eines Luft-Kraftstoff-Gemischs in einem Verbrennungsmotor |
US8074625B2 (en) * | 2008-01-07 | 2011-12-13 | Mcalister Technologies, Llc | Fuel injector actuator assemblies and associated methods of use and manufacture |
US9200561B2 (en) * | 2012-11-12 | 2015-12-01 | Mcalister Technologies, Llc | Chemical fuel conditioning and activation |
JP6446628B2 (ja) * | 2013-01-22 | 2019-01-09 | イマジニアリング株式会社 | プラズマ生成装置、及び内燃機関 |
US20170248109A1 (en) * | 2014-05-29 | 2017-08-31 | Imagineering, Inc. | Injector having in-built ignition system |
EP3179091A4 (en) * | 2014-08-04 | 2017-06-21 | Imagineering, Inc. | Injector unit, and spark plug |
US10036361B2 (en) * | 2014-08-12 | 2018-07-31 | Imagineering, Inc. | Ignition device |
US10161369B2 (en) * | 2014-08-22 | 2018-12-25 | Imagineering, Inc. | Injector built-in ignition device, internal combustion engine, gas burner, and ignition device |
-
2015
- 2015-05-29 WO PCT/JP2015/065673 patent/WO2015182774A1/ja active Application Filing
- 2015-05-29 US US15/314,901 patent/US20170276109A1/en not_active Abandoned
- 2015-05-29 JP JP2016523595A patent/JP6685518B2/ja active Active
- 2015-05-29 EP EP15800073.7A patent/EP3150841A4/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5361737A (en) * | 1992-09-30 | 1994-11-08 | West Virginia University | Radio frequency coaxial cavity resonator as an ignition source and associated method |
US20130004905A1 (en) * | 2000-02-11 | 2013-01-03 | Jayne Michael E | Furnace using plasma ignition system for hydrocarbon combustion |
JP2001317360A (ja) * | 2000-05-01 | 2001-11-16 | Shigeru Nagano | ディーゼルエンジン |
DE10239411A1 (de) * | 2002-08-28 | 2004-03-18 | Robert Bosch Gmbh | Vorrichtung zum Zünden eines Luft-Kraftstoff-Gemischs in einem Verbrennungsmotor |
JP2008157037A (ja) * | 2006-12-20 | 2008-07-10 | Toyota Motor Corp | 内燃機関 |
JP2010520400A (ja) * | 2007-03-01 | 2010-06-10 | ルノー・エス・アー・エス | 単一の電力段による複数のプラグコイルの制御 |
JP2013503295A (ja) * | 2009-08-27 | 2013-01-31 | マクアリスター テクノロジーズ エルエルシー | 燃料噴射器アクチュエータ組立体並びに関連する使用及び製造方法 |
JP2015509262A (ja) * | 2011-12-29 | 2015-03-26 | オネラ(オフィス ナシオナル デチュドゥ エ ドゥ ルシェルシュ アエロスパシアル) | プラズマ推進機およびプラズマ推進力を生成するための方法 |
WO2015025913A1 (ja) * | 2013-08-21 | 2015-02-26 | イマジニアリング株式会社 | 内燃機関の点火装置及び内燃機関 |
Also Published As
Publication number | Publication date |
---|---|
JP6685518B2 (ja) | 2020-04-22 |
US20170276109A1 (en) | 2017-09-28 |
EP3150841A1 (en) | 2017-04-05 |
EP3150841A4 (en) | 2017-06-21 |
WO2015182774A1 (ja) | 2015-12-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6677877B2 (ja) | 点火装置内蔵インジェクタ | |
WO2015182774A1 (ja) | 点火装置内蔵インジェクタ | |
US10132286B2 (en) | Ignition system for internal combustion engine, and internal combustion engine | |
US9903337B2 (en) | Plasma generator and internal combustion engine | |
WO2016027897A1 (ja) | 点火装置一体型インジェクタ、内燃機関、ガスバーナー、及び点火装置 | |
US8813717B2 (en) | Internal combustion engine | |
US9347422B2 (en) | Plasma generation device | |
WO2012105572A2 (ja) | 内燃機関 | |
JP6739348B2 (ja) | 点火ユニット、点火システム、及び内燃機関 | |
JP6635342B2 (ja) | 圧縮着火式内燃機関、及び内燃機関 | |
JP6023966B2 (ja) | 内燃機関 | |
US20180298873A1 (en) | Igniter | |
JP2012041871A (ja) | 燃料噴射装置 | |
WO2016027877A1 (ja) | 点火プラグ、圧縮着火式内燃機関 | |
JPWO2016027845A1 (ja) | 圧縮着火式内燃機関 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180528 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190409 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190802 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190816 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20190816 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20200122 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200204 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20200213 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200311 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200317 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6685518 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |