JP5934851B2 - 内燃機関 - Google Patents
内燃機関 Download PDFInfo
- Publication number
- JP5934851B2 JP5934851B2 JP2011535439A JP2011535439A JP5934851B2 JP 5934851 B2 JP5934851 B2 JP 5934851B2 JP 2011535439 A JP2011535439 A JP 2011535439A JP 2011535439 A JP2011535439 A JP 2011535439A JP 5934851 B2 JP5934851 B2 JP 5934851B2
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- Prior art keywords
- active species
- generation chamber
- spark plug
- chamber
- internal combustion
- 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.)
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- 238000002485 combustion reaction Methods 0.000 title claims description 155
- 239000000446 fuel Substances 0.000 claims description 63
- 239000000203 mixture Substances 0.000 claims description 61
- 238000004891 communication Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 description 20
- 230000004048 modification Effects 0.000 description 16
- 239000007789 gas Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 230000001737 promoting effect Effects 0.000 description 8
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000010356 wave oscillation Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
-
- 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
- F02B19/02—Engines characterised by precombustion chambers the chamber being periodically isolated from its cylinder
- F02B19/04—Engines characterised by precombustion chambers the chamber being periodically isolated from its cylinder the isolation being effected by a protuberance on piston or cylinder head
-
- 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
- F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
- F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
- F02B19/1023—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s)
- F02B19/1076—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s) pre-combustion chamber being formed within the piston, e.g. two-cycle 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
- 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
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/28—Other pistons with specially-shaped head
- F02F3/285—Other pistons with specially-shaped head the head being provided with an insert located in or on the combustion-gas-swept surface
-
- 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
- F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
- F02M27/06—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by rays, e.g. infrared and ultraviolet
-
- 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
- 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
- F02B2023/085—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition using several spark plugs per cylinder
-
- 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
-
- 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
- F02P15/04—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 one of the spark electrodes being mounted on the engine working piston
-
- 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
- H01T13/02—Details
- H01T13/08—Mounting, fixing or sealing of sparking plugs, e.g. in combustion chamber
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
−内燃機関の構成−
−内燃機関の動作−
−実施形態の効果−
−実施形態の変形例1−
−実施形態の変形例2−
−実施形態の変形例3−
−実施形態の変形例4−
《その他の実施形態》
102 シリンダ
110 シリンダブロック
120 ピストン
130 シリンダヘッド
150 スパークプラグ(活性種生成器)
160 インジェクタ
194 活性種生成室
196 燃焼室
Claims (6)
- 予め混合された混合気を燃焼させる燃焼室を形成するシリンダと、
上記シリンダと共に上記燃焼室を形成し、該シリンダ内を往復運動するピストンと、
活性種を生成する活性種生成器を備え、
上記活性種生成器を用いて生成された活性種により上記混合気の燃焼を促進させる内燃機関であって、
上記ピストンには、該ピストンの頂面に開口して、上記活性種生成器により活性種が生成される活性種生成室が形成されており、
上記活性種生成器は、上記燃焼室を区画する区画面のうち上記活性種生成室の開口に対向する位置から上記燃焼室側に突出するスパークプラグと、該スパークプラグの中心電極をアンテナとして上記活性種生成室に電磁波を照射する電磁波発生器とからなり、
上記活性種生成室は、燃焼室と連通するスパークプラグの先端部分と対応した形状の連通孔を除いた壁面が球面形状であって、上死点に達する直前から直後に亘って、スパークプラグが挿通孔に挿入された状態となるようにした
ことを特徴とする内燃機関。 - 請求項1において、
上記活性種生成器は、圧縮行程においてスパークプラグが上記活性種生成室に進入する時点から、膨張行程においてスパークプラグが上記活性種生成室から抜け出す時点までの間に、上記活性種生成室において活性種を生成する
ことを特徴とする内燃機関。 - 請求項2において、
上記活性種生成器は、膨張行程においてスパークプラグが上記活性種生成室から抜け出した後に、さらに上記燃焼室で活性種を生成する
ことを特徴とする内燃機関。 - 請求項1乃至3の何れか1つにおいて、
膨張行程において上記燃焼室の周縁で活性種を生成する周縁側活性種生成器を備えている
ことを特徴とする内燃機関。 - 請求項1乃至4の何れか1つにおいて、
上記活性種生成器は、上記混合気が着火される前に最小着火エネルギー未満のエネルギーで活性種を生成する
ことを特徴とする内燃機関。 - 請求項1乃至5の何れか1つにおいて、
上記活性種生成器が活性種を生成した後に上記混合気を圧縮着火させる
ことを特徴とする内燃機関。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009232902 | 2009-10-06 | ||
JP2009232902 | 2009-10-06 | ||
PCT/JP2010/067586 WO2011043399A1 (ja) | 2009-10-06 | 2010-10-06 | 内燃機関 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2011043399A1 JPWO2011043399A1 (ja) | 2013-03-04 |
JP5934851B2 true JP5934851B2 (ja) | 2016-06-15 |
Family
ID=43856849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011535439A Active JP5934851B2 (ja) | 2009-10-06 | 2010-10-06 | 内燃機関 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8813717B2 (ja) |
JP (1) | JP5934851B2 (ja) |
WO (1) | WO2011043399A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9309812B2 (en) * | 2011-01-31 | 2016-04-12 | Imagineering, Inc. | Internal combustion engine |
EP2672104A4 (en) * | 2011-01-31 | 2018-07-11 | Imagineering, Inc. | Signal processing device |
EP2672102A4 (en) * | 2011-01-31 | 2017-04-12 | Imagineering, Inc. | Plasma device |
JP5957726B2 (ja) * | 2011-05-24 | 2016-07-27 | イマジニアリング株式会社 | 点火プラグ、及び内燃機関 |
US8910619B2 (en) * | 2011-10-27 | 2014-12-16 | Southwest Research Institute | Enhanced combustion for spark ignition engine using electromagnetic energy coupling |
JP6446627B2 (ja) * | 2012-08-28 | 2019-01-09 | イマジニアリング株式会社 | プラズマ発生装置 |
JP2017227164A (ja) * | 2016-06-22 | 2017-12-28 | いすゞ自動車株式会社 | 内燃機関の点火装置 |
IT202000009403A1 (it) * | 2020-04-29 | 2021-10-29 | Fpt Ind Spa | Motore a combustione interna ad accensione comandata |
WO2023232672A1 (de) * | 2022-05-31 | 2023-12-07 | Manfred Rapp | Luft-dampf-motor und dessen verwendung |
EP4431714A3 (en) * | 2023-03-14 | 2024-10-09 | Kawasaki Motors, Ltd. | Engine |
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JP2009036201A (ja) * | 2007-07-12 | 2009-02-19 | Imagineering Kk | 均一予混合圧縮自着火エンジン及びエンジン |
JP2009036125A (ja) * | 2007-08-02 | 2009-02-19 | Nissan Motor Co Ltd | 非平衡プラズマ放電式の点火装置及び点火制御装置 |
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-
2010
- 2010-10-06 US US13/500,107 patent/US8813717B2/en active Active
- 2010-10-06 JP JP2011535439A patent/JP5934851B2/ja active Active
- 2010-10-06 WO PCT/JP2010/067586 patent/WO2011043399A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006132518A (ja) * | 2004-10-07 | 2006-05-25 | Toyota Central Res & Dev Lab Inc | 内燃機関及びその点火装置 |
JP2009036201A (ja) * | 2007-07-12 | 2009-02-19 | Imagineering Kk | 均一予混合圧縮自着火エンジン及びエンジン |
JP2009036125A (ja) * | 2007-08-02 | 2009-02-19 | Nissan Motor Co Ltd | 非平衡プラズマ放電式の点火装置及び点火制御装置 |
Also Published As
Publication number | Publication date |
---|---|
US20120240873A1 (en) | 2012-09-27 |
JPWO2011043399A1 (ja) | 2013-03-04 |
US8813717B2 (en) | 2014-08-26 |
WO2011043399A1 (ja) | 2011-04-14 |
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