JP6635342B2 - 圧縮着火式内燃機関、及び内燃機関 - Google Patents
圧縮着火式内燃機関、及び内燃機関 Download PDFInfo
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- JP6635342B2 JP6635342B2 JP2016544257A JP2016544257A JP6635342B2 JP 6635342 B2 JP6635342 B2 JP 6635342B2 JP 2016544257 A JP2016544257 A JP 2016544257A JP 2016544257 A JP2016544257 A JP 2016544257A JP 6635342 B2 JP6635342 B2 JP 6635342B2
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- internal combustion
- combustion engine
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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
- 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
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B11/00—Engines characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition, e.g. in different cylinders
-
- 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
- F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
- F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
-
- 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
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/242—Arrangement of spark plugs or injectors
-
- 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
-
- 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
- F02P15/08—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 multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders
-
- 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
-
- 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
-
- 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
- H01T13/50—Sparking plugs having means for ionisation of gap
-
- 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
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
- F02B2043/103—Natural gas, e.g. methane or LNG used as a fuel
-
- 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
- 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
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/045—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions combined with electronic control of other engine functions, e.g. fuel injection
-
- 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
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/1502—Digital data processing using one central computing unit
-
- 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
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/152—Digital data processing dependent on pinking
-
- 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)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
等の気体燃料を用いるディーゼルエンジン等の圧縮着火式内燃機関、及びガソリンエンジン等の火花着火式内燃機関に関する。
図1は、ディーゼルエンジン10の構成を示す図である。このディーゼルエンジン10は、本発明の圧縮着火式内燃機関の一例である。エンジン本体部に関しては、一部断面の正面断面図で示している。ディーゼルエンジン10のシリンダヘッド21には、CNG燃料を燃焼室28に噴射するインジェクタ1が挿入される。
図6は、第2実施形態に係るディーゼルエンジン100の構成を示す図である。エンジン本体部に関しては、一部断面の正面断面図で示している。ディーゼルエンジン100のシリンダヘッド21には、CNG燃料を燃焼室28に噴射するインジェクタと、その燃料を点火するためのイグナイタを含むインジェクタユニット6が挿入される。
上記実施形態では、制御装置41の制御にしたがって、各イグナイタにより順次点火させていた。これに対し、イグナイタ3からの反射波を利用することにより、各イグナイタを順次点火させるようにしてもよい。イグナイタ3の放電電極36で放電が行われると、この瞬間にイグナイタ3の内部インピーダンスの整合が崩れ、反射波が生じる。つまり、マイクロ波が先端部(増幅/放電部分3c)から後端部(入力部分3a)に逆流する。この性質を利用して、反射波を順次各イグナイタ3に導き、反射波を有効に活用することができる。つまり、イグナイタ3A、3B、3C、3Dを(電気的に)直列に接続ようにし、イグナイタ3Bは、イグナイタ3Aからの反射マイクロ波を電源として使用し、イグナイタ3Cはイグナイタ3Bからの反射マイクロ波を電源として使用する、といった方法により実現できる。これにより、制御装置4によるタイミング制御が不要になる。また、単一電源を用いて各イグナイタ3を制御しようとすると、高速の切り替えが難しいが、この性質を利用すれば、高速で点火させるマイクロ波を切り替えることができる。なお、本実施形態に関しては、圧縮着火式の内燃機関に限らず、ガソリンエンジン等の火花点火式の内燃機関にも適用できるものである。
3 イグナイタ
3a 入力部分
3b 結合部分
3c 増幅/放電部分
31 ケース(接地電極)
32 マイクロ波入力端子
33 第1中心電極
34 第2中心電極
35 第3中心電極
36 放電電極
37 空隙
39 誘電体
6 インジェクタユニット
61 インジェクタ
64 ケーシング
10 ディーゼルエンジン
41 制御装置
42 マイクロ波生成器
100 ディーゼルエンジン
Claims (3)
- 気体燃料を燃料として用いる圧縮着火式の内燃機関であって、
マイクロ波を生成するマイクロ波生成器と、
マイクロ波生成器を制御する制御装置と、
共振構造によりマイクロ波を昇圧する昇圧回路、昇圧回路からの出力を受入れる第1電極、及び第1電極に近接して設けられる第2電極を有するプラズマ生成器を備え、
前記プラズマ生成器を、前記第1電極が前記内燃機関の燃焼室に露出するように複数配設し、
前記燃焼室の1回の燃焼サイクルにおいて、前記内燃機関のインジェクタによる燃料の噴射開始後に圧縮上死点に至るまでの間に、1台の前記マイクロ波生成器から前記複数のプラズマ生成器にマイクロ波を順番に供給し、前記複数のプラズマ生成器で順番に放電をさせる、内燃機関。 - 前記プラズマ生成器を、前記内燃機関の燃焼室天井面に形成される吸気ポート間、排気 ポート間、又は吸気ポートと排気ポートとの間に配設した請求項1に記載の内燃機関。
- 電磁波を生成する電磁波生成器と、
電磁波生成器より入力された電磁波を共振構造により昇圧する昇圧回路と、昇圧回路の 出力側に配設され放電電極を有する第1のプラズマ生成器と、
前記第1のプラズマ生成器の放電電極近傍において反射した電磁波を入力し、この入力 された電磁波を共振構造により昇圧する昇圧回路と、昇圧回路の出力側に配設され放電電 極を有する第2のプラズマ生成器を備え、
第1、第2プラズマ生成器を、用いることにより、複数の箇所において点火を行うこと を特徴とする内燃機関。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014168870 | 2014-08-21 | ||
JP2014168870 | 2014-08-21 | ||
JP2014247500 | 2014-12-06 | ||
JP2014247500 | 2014-12-06 | ||
PCT/JP2015/073456 WO2016027873A1 (ja) | 2014-08-21 | 2015-08-21 | 圧縮着火式内燃機関、及び内燃機関 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016027873A1 JPWO2016027873A1 (ja) | 2017-07-20 |
JP6635342B2 true JP6635342B2 (ja) | 2020-01-22 |
Family
ID=55350813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016544257A Expired - Fee Related JP6635342B2 (ja) | 2014-08-21 | 2015-08-21 | 圧縮着火式内燃機関、及び内燃機関 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170306918A1 (ja) |
EP (1) | EP3184805A4 (ja) |
JP (1) | JP6635342B2 (ja) |
WO (1) | WO2016027873A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3225832A4 (en) * | 2014-11-24 | 2017-12-13 | Imagineering, Inc. | Ignition unit, ignition system, and internal combustion engine |
CN112567889B (zh) * | 2018-09-14 | 2023-04-11 | 松下知识产权经营株式会社 | 微波加热装置 |
CN115387919B (zh) * | 2021-07-27 | 2023-09-22 | 淄柴机器有限公司 | 一种船用发动机的油气双燃料切换方法 |
Family Cites Families (26)
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JPS57148022A (en) * | 1981-03-10 | 1982-09-13 | Toyota Motor Corp | Multiple-point-ignition internal combustion engine |
DE10239414B4 (de) * | 2002-08-28 | 2004-12-02 | Robert Bosch Gmbh | Vorrichtung zum Zünden eines Luft-Kraftstoff-Gemischs in einem Verbrennungsmotor |
AU2006348506B2 (en) * | 2006-09-20 | 2013-02-21 | Imagineering, Inc. | Ignition device, internal combustion engine, ignition plug, plasma apparatus, exhaust gas decomposition apparatus, ozone generation/sterilization/disinfection apparatus, and deodorization apparatus |
US8226901B2 (en) * | 2007-07-12 | 2012-07-24 | Imagineering, Inc. | Ignition or plasma generation apparatus |
JP2009036068A (ja) * | 2007-08-01 | 2009-02-19 | Nissan Motor Co Ltd | 内燃機関の燃焼制御装置 |
JP5200233B2 (ja) * | 2008-03-14 | 2013-06-05 | イマジニアリング株式会社 | 内燃機関のガスケット及び内燃機関 |
JP5061335B2 (ja) * | 2008-03-14 | 2012-10-31 | イマジニアリング株式会社 | シリンダヘッドを用いたプラズマ装置 |
JP5374691B2 (ja) * | 2008-03-14 | 2013-12-25 | イマジニアリング株式会社 | 複数放電のプラズマ装置 |
WO2012099027A1 (ja) * | 2011-01-18 | 2012-07-26 | 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 |
US9534558B2 (en) * | 2011-01-28 | 2017-01-03 | Imagineering, Inc. | Control device for internal combustion engine |
US9309812B2 (en) * | 2011-01-31 | 2016-04-12 | Imagineering, Inc. | Internal combustion engine |
JP6152534B2 (ja) * | 2011-01-31 | 2017-06-28 | イマジニアリング株式会社 | プラズマ生成装置 |
EP2672105A4 (en) * | 2011-01-31 | 2018-11-14 | Imagineering, Inc. | Plasma generation device |
US9273599B2 (en) * | 2011-02-15 | 2016-03-01 | Imagineering, Inc. | Internal combustion engine |
US9920737B2 (en) * | 2011-02-15 | 2018-03-20 | Imagineering, Inc. | Internal combustion engine |
EP2687714A4 (en) * | 2011-03-14 | 2014-11-05 | Imagineering Inc | COMBUSTION ENGINE |
JP6014864B2 (ja) * | 2011-07-04 | 2016-10-26 | ダイハツ工業株式会社 | 火花点火式内燃機関 |
JP6145759B2 (ja) * | 2011-09-11 | 2017-06-14 | イマジニアリング株式会社 | アンテナ構造、高周波放射用プラグ、及び内燃機関 |
WO2013042597A1 (ja) * | 2011-09-22 | 2013-03-28 | 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 |
JP6229121B2 (ja) * | 2012-06-22 | 2017-11-15 | イマジニアリング株式会社 | 内燃機関 |
EP2928270A4 (en) * | 2012-11-30 | 2016-06-22 | Imagineering Inc | PLASMA GENERATION DEVICE |
EP2950621A4 (en) * | 2013-01-22 | 2017-01-25 | Imagineering, Inc. | Plasma generating device, and internal combustion engine |
EP3037651A4 (en) * | 2013-08-21 | 2017-04-26 | Imagineering, Inc. | Ignition system for internal combustion engine, and internal combustion engine |
WO2015182774A1 (ja) * | 2014-05-29 | 2015-12-03 | イマジニアリング株式会社 | 点火装置内蔵インジェクタ |
WO2016006714A1 (ja) * | 2014-07-11 | 2016-01-14 | イマジニアリング株式会社 | 点火装置 |
EP3064766A1 (de) * | 2015-03-03 | 2016-09-07 | MWI Micro Wave Ignition AG | Verfahren und Vorrichtung zum Einbringen von Mikrowellenenergie in einen Brennraum eines Verbrennungsmotors |
-
2015
- 2015-08-12 US US15/505,159 patent/US20170306918A1/en not_active Abandoned
- 2015-08-21 JP JP2016544257A patent/JP6635342B2/ja not_active Expired - Fee Related
- 2015-08-21 EP EP15833987.9A patent/EP3184805A4/en not_active Withdrawn
- 2015-08-21 WO PCT/JP2015/073456 patent/WO2016027873A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP3184805A1 (en) | 2017-06-28 |
WO2016027873A1 (ja) | 2016-02-25 |
EP3184805A4 (en) | 2018-05-02 |
JPWO2016027873A1 (ja) | 2017-07-20 |
US20170306918A1 (en) | 2017-10-26 |
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