JPWO2006072983A1 - 筒内噴射型火花点火式内燃機関 - Google Patents
筒内噴射型火花点火式内燃機関 Download PDFInfo
- Publication number
- JPWO2006072983A1 JPWO2006072983A1 JP2006550560A JP2006550560A JPWO2006072983A1 JP WO2006072983 A1 JPWO2006072983 A1 JP WO2006072983A1 JP 2006550560 A JP2006550560 A JP 2006550560A JP 2006550560 A JP2006550560 A JP 2006550560A JP WO2006072983 A1 JPWO2006072983 A1 JP WO2006072983A1
- Authority
- JP
- Japan
- Prior art keywords
- combustion engine
- internal combustion
- spark ignition
- ignition internal
- injector
- 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
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 82
- 238000002347 injection Methods 0.000 title claims description 57
- 239000007924 injection Substances 0.000 title claims description 57
- 239000000446 fuel Substances 0.000 claims description 102
- 239000007921 spray Substances 0.000 abstract description 33
- 239000000203 mixture Substances 0.000 abstract description 31
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000009834 vaporization Methods 0.000 description 5
- 230000008016 vaporization Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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
- 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
- F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
- F02B23/101—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on or close to the cylinder centre axis, e.g. with mixture formation using spray guided concepts
-
- 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
- F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
-
- 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
-
- 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
- F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
- F02B2023/102—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the spark plug being placed offset the cylinder centre axis
-
- 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)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Abstract
ピストン(6)の頂面に、底面(32)が排気側に向け下方に傾斜し、中央部から吸気側の壁面に向け盛り上がった凸部(32a)を有するキャビティ(30)を設け、当該キャビティにより、インジェクタ(12)から噴射され点火プラグ(14)の電極部(14a)近傍を通った後の燃焼噴霧(15)を混合気(15a)として再び点火プラグの電極部の近傍に案内する。
Description
Claims (7)
- シリンダヘッド下面、シリンダ及びピストン上面により形成された燃焼室と、
前記ピストンの頂面に凹設され、底面が一方の縁部から他方の縁部に向けて下方に傾斜するとともに、該底面の周縁に上方に向けて傾斜した壁面が形成されたキャビティと、
前記シリンダヘッド下面の前記一方の縁部側に設けられ、前記燃焼室内に燃料を直接噴射するインジェクタと、
前記シリンダヘッド下面の前記他方の縁部側に設けられ、電極部が該インジェクタから噴射される燃料噴射領域中若しくは該燃料噴射領域近傍に位置する点火プラグと
を備えることを特徴とする筒内噴射型火花点火式内燃機関。 - 請求項1記載の筒内噴射型火花点火式内燃機関において、
前記インジェクタは、前記点火プラグの電極部側及び前記キャビティに燃料を噴射するよう指向しており、且つ該インジェクタから噴射される燃料を前記点火プラグ側に偏倚するよう構成されたことを特徴とする筒内噴射型火花点火式内燃機関。 - 請求項2記載の筒内噴射型火花点火式内燃機関において、
前記インジェクタは、該インジェクタから噴射される燃料が前記キャビティに案内されて前記点火プラグに供給されるよう構成されていることを特徴とする筒内噴射型火花点火式内燃機関。 - 請求項1乃至3のいずれか記載の筒内噴射型火花点火式内燃機関において、
前記インジェクタは前記燃焼室を形成する前記シリンダヘッド下面の略中央部に設けられ、前記点火プラグは該燃焼室該シリンダヘッド下面の略中央部に該インジェクタに隣接して設けられたことを特徴とする筒内噴射型火花点火式内燃機関。 - 請求項1記載の筒内噴射型火花点火式内燃機関において、
前記底面の中央部から前記一方の縁部に向けて周囲よりも盛り上がった凸部が形成されていることを特徴とする筒内噴射型火花点火式内燃機関。 - 請求項5記載の筒内噴射型火花点火式内燃機関において、
前記凸部は、該凸部以外の前記底面の凹部分が上面視略U字形状となるよう形成されていることを特徴とする筒内噴射型火花点火式内燃機関。 - 請求項1、5及び6のいずれか記載の筒内噴射型火花点火式内燃機関において、
前記キャビティは、前記底面の中央部から開口面積が前記他方の縁部に向けて狭くなっていることを特徴とする筒内噴射型火花点火式内燃機関。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/000071 WO2006072983A1 (ja) | 2005-01-06 | 2005-01-06 | 筒内噴射型火花点火式内燃機関 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2006072983A1 true JPWO2006072983A1 (ja) | 2008-08-07 |
JP4539879B2 JP4539879B2 (ja) | 2010-09-08 |
Family
ID=36647471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006550560A Expired - Fee Related JP4539879B2 (ja) | 2005-01-06 | 2005-01-06 | 筒内噴射型火花点火式内燃機関 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7690348B2 (ja) |
EP (1) | EP1837504B1 (ja) |
JP (1) | JP4539879B2 (ja) |
KR (1) | KR100941193B1 (ja) |
CN (1) | CN101099031B (ja) |
WO (1) | WO2006072983A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010180728A (ja) * | 2009-02-04 | 2010-08-19 | Nissan Motor Co Ltd | 筒内直接噴射式内燃機関のピストン |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4941664B2 (ja) * | 2007-09-27 | 2012-05-30 | 三菱自動車工業株式会社 | 筒内噴射型内燃機関 |
KR100979243B1 (ko) | 2008-04-29 | 2010-08-31 | 주식회사 하이닉스반도체 | 반도체 소자 및 그의 제조방법 |
US20110277718A1 (en) * | 2010-05-17 | 2011-11-17 | Gm Global Technology Operations, Inc. | Engine including valve geometry relative to bore size |
WO2014203382A1 (ja) * | 2013-06-20 | 2014-12-24 | トヨタ自動車株式会社 | 圧縮着火式内燃機関 |
CN105308285B (zh) * | 2013-06-20 | 2018-06-26 | 丰田自动车株式会社 | 压燃式内燃机 |
JP6056775B2 (ja) * | 2014-01-22 | 2017-01-11 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP6056840B2 (ja) * | 2014-12-25 | 2017-01-11 | マツダ株式会社 | 直噴エンジンの燃焼室構造 |
JP6432788B2 (ja) | 2015-07-29 | 2018-12-05 | マツダ株式会社 | エンジンの燃焼室構造 |
JP6337877B2 (ja) * | 2015-12-10 | 2018-06-06 | マツダ株式会社 | 内燃機関の燃焼室構造 |
JP2018003752A (ja) * | 2016-07-05 | 2018-01-11 | トヨタ自動車株式会社 | 内燃機関 |
JP6565999B2 (ja) * | 2017-06-02 | 2019-08-28 | マツダ株式会社 | エンジン |
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JPH09144544A (ja) * | 1995-11-24 | 1997-06-03 | Isuzu Motors Ltd | 筒内直接噴射式火花点火機関 |
JPH1193676A (ja) * | 1997-09-25 | 1999-04-06 | Daihatsu Motor Co Ltd | 筒内燃料噴射式内燃機関 |
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JP2000345847A (ja) * | 1999-06-07 | 2000-12-12 | Nissan Motor Co Ltd | 直噴火花点火式内燃機関 |
JP2001073778A (ja) * | 1999-08-30 | 2001-03-21 | Fuji Heavy Ind Ltd | 筒内噴射エンジンの燃焼室構造 |
JP2001526753A (ja) * | 1996-03-19 | 2001-12-18 | アウトボード・マリン・コーポレーション | 2サイクルエンジン・ピストン窪み構造 |
JP2003524729A (ja) * | 1999-12-23 | 2003-08-19 | エフ・エー・フアウ・モトーレンテヒニック・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング | 吸気側に配置した噴射装置によって燃料を噴射する往復ピストン式内燃機関 |
JP2003269176A (ja) * | 2002-01-09 | 2003-09-25 | Nissan Motor Co Ltd | 筒内直噴エンジン |
JP2004044430A (ja) * | 2002-07-10 | 2004-02-12 | Toyota Motor Corp | 混合気を圧縮自着火させる内燃機関、および内燃機関の制御方法 |
JP2004138028A (ja) * | 2002-10-21 | 2004-05-13 | Mitsubishi Motors Corp | 筒内噴射型火花点火内燃機関 |
JP2004190530A (ja) * | 2002-12-10 | 2004-07-08 | Nissan Motor Co Ltd | 筒内直接噴射式内燃機関 |
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2005
- 2005-01-06 CN CN2005800460042A patent/CN101099031B/zh active Active
- 2005-01-06 EP EP05703339.1A patent/EP1837504B1/en active Active
- 2005-01-06 US US11/794,729 patent/US7690348B2/en active Active
- 2005-01-06 JP JP2006550560A patent/JP4539879B2/ja not_active Expired - Fee Related
- 2005-01-06 WO PCT/JP2005/000071 patent/WO2006072983A1/ja active Application Filing
- 2005-01-06 KR KR1020077015338A patent/KR100941193B1/ko active IP Right Grant
Patent Citations (12)
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JPH09144544A (ja) * | 1995-11-24 | 1997-06-03 | Isuzu Motors Ltd | 筒内直接噴射式火花点火機関 |
JP2001526753A (ja) * | 1996-03-19 | 2001-12-18 | アウトボード・マリン・コーポレーション | 2サイクルエンジン・ピストン窪み構造 |
JPH1193676A (ja) * | 1997-09-25 | 1999-04-06 | Daihatsu Motor Co Ltd | 筒内燃料噴射式内燃機関 |
JPH11159382A (ja) * | 1997-09-29 | 1999-06-15 | Mazda Motor Corp | 筒内噴射式エンジン |
JP2000104551A (ja) * | 1998-09-28 | 2000-04-11 | Ricardo Consulting Eng Plc | 直接噴射ガソリンエンジン |
JP2000345847A (ja) * | 1999-06-07 | 2000-12-12 | Nissan Motor Co Ltd | 直噴火花点火式内燃機関 |
JP2001073778A (ja) * | 1999-08-30 | 2001-03-21 | Fuji Heavy Ind Ltd | 筒内噴射エンジンの燃焼室構造 |
JP2003524729A (ja) * | 1999-12-23 | 2003-08-19 | エフ・エー・フアウ・モトーレンテヒニック・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング | 吸気側に配置した噴射装置によって燃料を噴射する往復ピストン式内燃機関 |
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Cited By (1)
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JP2010180728A (ja) * | 2009-02-04 | 2010-08-19 | Nissan Motor Co Ltd | 筒内直接噴射式内燃機関のピストン |
Also Published As
Publication number | Publication date |
---|---|
US20080022967A1 (en) | 2008-01-31 |
EP1837504B1 (en) | 2013-07-24 |
EP1837504A4 (en) | 2011-06-15 |
KR20070086929A (ko) | 2007-08-27 |
CN101099031A (zh) | 2008-01-02 |
KR100941193B1 (ko) | 2010-02-10 |
WO2006072983A1 (ja) | 2006-07-13 |
CN101099031B (zh) | 2010-08-18 |
JP4539879B2 (ja) | 2010-09-08 |
EP1837504A1 (en) | 2007-09-26 |
US7690348B2 (en) | 2010-04-06 |
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