JP2013527360A - 直噴ディーゼルエンジン - Google Patents
直噴ディーゼルエンジン Download PDFInfo
- Publication number
- JP2013527360A JP2013527360A JP2012550506A JP2012550506A JP2013527360A JP 2013527360 A JP2013527360 A JP 2013527360A JP 2012550506 A JP2012550506 A JP 2012550506A JP 2012550506 A JP2012550506 A JP 2012550506A JP 2013527360 A JP2013527360 A JP 2013527360A
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- JP
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- Prior art keywords
- piston
- diameter
- recess
- cylinder
- fuel
- 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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- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 claims abstract description 44
- 239000000446 fuel Substances 0.000 claims description 60
- 239000000203 mixture Substances 0.000 description 15
- 239000002245 particle Substances 0.000 description 11
- 239000004071 soot Substances 0.000 description 11
- 239000003921 oil Substances 0.000 description 10
- 239000013618 particulate matter Substances 0.000 description 8
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Images
Classifications
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- 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
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0645—Details related to the fuel injector or the fuel spray
- F02B23/0669—Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
-
- 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
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0672—Omega-piston bowl, i.e. the combustion space having a central projection pointing towards the cylinder head and the surrounding wall being inclined towards the cylinder center axis
-
- 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
- F02B23/02—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
- F02B23/06—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
- F02B23/0678—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets
- F02B23/0693—Unconventional, complex or non-rotationally symmetrical shapes of the combustion space, e.g. flower like, having special shapes related to the orientation of the fuel spray jets the combustion space consisting of step-wise widened multiple zones of different depth
-
- 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
- F02F3/0015—Multi-part pistons
-
- 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
- F02F3/26—Pistons having combustion chamber in piston 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
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/14—Direct injection into combustion chamber
-
- 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
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression 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
Abstract
Description
Claims (4)
- 4バルブの直噴ディーゼルエンジンのためのピストンであって、
該ピストンの頂部に形成された凹所を含む燃焼室を定めており、
前記凹所は、縦断面において該ピストンの軸を中心にして回転対称であり、底部と側壁とによって定められており、実質的に円すい形または円すい台形の突起が前記底部から立ち上がっており、
前記凹所が、該ピストンの頂部から最も遠い下部環状体部分と、該ピストン頂部に最も近く、該ピストンの頂部に向かって直径が徐々に増加している上部とを含んでおり、
前記上部および下部が、縦断面においてアーチ形であって前記凹所へと突き出している環状のリップによって隔てられているピストンであり、
前記円すい形または円すい台形の突起の挟角が、104°〜108°の間であり、前記底部から該ピストンの頂部の平面までの前記凹所の最大深さが、該ピストンの直径の13〜22%の間であり、前記円すい形または円すい台形の突起が、該ピストンの直径の38〜44%の間の直径を有する円形の線に沿って前記底部と融合し、前記リップの直径が、該ピストンの直径の54〜59%の間であり、前記リップの最小径の前記線が、該ピストンの頂部の平面から該ピストンの直径の5〜10%の間の距離だけ離れた位置にあり、前記凹所の前記上部の直径が、前記リップの最小径の前記線における該ピストンの直径の54〜59%から、前記凹所の側壁が該ピストンの頂部の平面と交わる前記線における該ピストンの直径の72〜76%へと、増加していることを特徴とする、ピストン。 - 前記円すい形または円すい台形の突起の挟角が、実質的に106°である、請求項1に記載のピストン。
- 前記側壁の、前記凹所の前記上部を定めている部位が、縦断面において凹状である、請求項1または2に記載のピストン。
- シリンダヘッドによって閉じられ、請求項1、2または3に記載のそれぞれのピストンを往復運動可能に受け入れる少なくとも1つのシリンダを定めているシリンダブロックを備えており、
前記シリンダが、前記シリンダヘッドの2つの吸気バルブおよび2つの排気バルブに連絡しており、
前記吸気バルブは、前記シリンダにおいて、流入する空気に該シリンダの軸を実質的に中心とする渦を生じさせるように構成された種類の吸気バルブであり、
さらに前記シリンダヘッドが、複数の燃料噴射オリフィスを備える燃料インジェクタを実質的に前記シリンダの軸に位置させて保持しており、
前記オリフィスが、該オリフィスを通過する燃料ジェットが前記突起の表面から15〜19°で離れる角度に延びて、前記凹所の前記下部の前記アーチ形の側壁に最初に衝突するように配置されている、直噴ディーゼルエンジン。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1001562.6A GB201001562D0 (en) | 2010-01-29 | 2010-01-29 | Direct injection diesel |
PCT/GB2011/000095 WO2011092459A1 (en) | 2010-01-29 | 2011-01-26 | Direct injection diesel engines |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013527360A true JP2013527360A (ja) | 2013-06-27 |
JP2013527360A5 JP2013527360A5 (ja) | 2014-04-10 |
JP5826189B2 JP5826189B2 (ja) | 2015-12-02 |
Family
ID=42084241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012550506A Active JP5826189B2 (ja) | 2010-01-29 | 2011-03-31 | 直噴ディーゼルエンジン |
Country Status (7)
Country | Link |
---|---|
US (1) | US8770168B2 (ja) |
EP (1) | EP2529094B1 (ja) |
JP (1) | JP5826189B2 (ja) |
KR (1) | KR20130044201A (ja) |
CN (1) | CN102892992B (ja) |
GB (1) | GB201001562D0 (ja) |
WO (1) | WO2011092459A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015177898A1 (ja) * | 2014-05-22 | 2015-11-26 | 日産自動車株式会社 | ディーゼルエンジンの燃焼室構造 |
US9938887B2 (en) | 2014-05-22 | 2018-04-10 | Nissan Motor Co., Ltd. | Combustion chamber structure for diesel engine |
WO2019013221A1 (ja) * | 2017-07-11 | 2019-01-17 | いすゞ自動車株式会社 | 直噴式内燃機関の燃焼室構造 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
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US8978621B2 (en) * | 2010-04-20 | 2015-03-17 | Caterpillar Inc. | Piston having combustion bowl shaped to balance combustion efficiency and emission properties |
JP2013217306A (ja) * | 2012-04-10 | 2013-10-24 | Isuzu Motors Ltd | 直噴式エンジンの燃焼室構造 |
CN102661193B (zh) * | 2012-05-16 | 2013-09-04 | 大连理工大学 | 直喷式柴油机双层分流燃烧系统 |
US10563569B2 (en) * | 2012-05-16 | 2020-02-18 | Dalian University Of Technology | Diesel combustion system |
US20130319372A1 (en) * | 2012-06-04 | 2013-12-05 | Caterpillar, Inc. | Internal Combustion Engine Having Piston Configured For Reduced Particulate Emissions, And Method |
KR101996085B1 (ko) * | 2012-09-14 | 2019-07-03 | 두산인프라코어 주식회사 | 질소 산화물 저감을 위한 직접 분사식 디젤 엔진의 연소실 |
KR101366424B1 (ko) * | 2012-09-14 | 2014-02-25 | 두산인프라코어 주식회사 | 직접 분사식 디젤엔진에서 탄소 미립자 저감을 위한 연소실 형상 |
EP2752564A1 (en) * | 2013-01-08 | 2014-07-09 | Perkins Engines Company Limited | Piston |
EP3058191A4 (en) | 2013-09-25 | 2017-08-02 | Anisun Ecotech P Ltd. | Self cooled engine |
FR3018550B1 (fr) * | 2014-03-14 | 2019-04-12 | IFP Energies Nouvelles | Procede de controle de l'injection de combustible d'un moteur a combustion interne a injection directe, notamment a allumage par compression, et moteur utilisant un tel procede |
FR3020401B1 (fr) * | 2014-04-24 | 2016-05-06 | Ifp Energies Now | Moteur a combustion interne a injection directe a double angle de nappe pour realiser un melange carbure dans une chambre de combustion a double zone de combustion et a faible taux de compression et procede pour utiliser un tel moteur. |
JP6160564B2 (ja) * | 2014-06-09 | 2017-07-12 | マツダ株式会社 | ディーゼルエンジン |
DE102014010714A1 (de) * | 2014-07-19 | 2016-01-21 | Deutz Aktiengesellschaft | Brennverfahren |
US9995213B2 (en) | 2015-03-31 | 2018-06-12 | Achates Power, Inc. | Asymmetrically-shaped combustion chamber for opposed-piston engines |
US9840965B2 (en) | 2015-07-31 | 2017-12-12 | Achates Power, Inc. | Skewed combustion chamber for opposed-piston engines |
US10184388B1 (en) | 2015-11-30 | 2019-01-22 | Caterpillar Inc. | Engine piston |
GB2547265B (en) | 2016-02-12 | 2020-03-04 | Perkins Engines Co Ltd | Piston bowl for an internal combustion engine |
CN108495991A (zh) * | 2017-04-06 | 2018-09-04 | 上海长辛实业有限公司 | 用于发动机气缸内的活塞及活塞式发动机 |
KR102463469B1 (ko) * | 2017-10-17 | 2022-11-04 | 현대자동차주식회사 | 리엔트랜트 연소실을 갖춘 디젤엔진 |
US10731600B2 (en) | 2017-11-07 | 2020-08-04 | Deere & Company | Piston with soot reducing piston bowl |
JP7003626B2 (ja) * | 2017-12-19 | 2022-01-20 | 三菱自動車工業株式会社 | 内燃機関の吸気構造 |
CN108518287A (zh) * | 2018-03-29 | 2018-09-11 | 天津中恒动力研究院有限公司 | 活塞和发动机总成 |
CN108730064A (zh) * | 2018-06-27 | 2018-11-02 | 天津内燃机研究所(天津摩托车技术中心) | 柴油机活塞燃烧室 |
DK180103B1 (en) * | 2018-12-11 | 2020-05-04 | MAN Energy Solutions | Internal combustion engine |
JP7124735B2 (ja) * | 2019-01-29 | 2022-08-24 | マツダ株式会社 | 圧縮着火エンジンの制御装置 |
JP2021181765A (ja) * | 2020-05-19 | 2021-11-25 | 株式会社小松製作所 | ディーゼルエンジン用のピストン及びディーゼルエンジン |
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JP2010048260A (ja) * | 2009-12-01 | 2010-03-04 | Toyota Motor Corp | 直接噴射式圧縮着火機関 |
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-
2010
- 2010-01-29 GB GBGB1001562.6A patent/GB201001562D0/en not_active Ceased
-
2011
- 2011-01-26 KR KR1020127022283A patent/KR20130044201A/ko not_active Application Discontinuation
- 2011-01-26 US US13/575,792 patent/US8770168B2/en active Active
- 2011-01-26 EP EP11702487.7A patent/EP2529094B1/en active Active
- 2011-01-26 WO PCT/GB2011/000095 patent/WO2011092459A1/en active Application Filing
- 2011-01-26 CN CN201180007736.6A patent/CN102892992B/zh active Active
- 2011-03-31 JP JP2012550506A patent/JP5826189B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US4012A (en) * | 1845-04-26 | Improvement in electrographic printing | ||
CN201074556Y (zh) * | 2007-08-16 | 2008-06-18 | 东风康明斯发动机有限公司 | 两阀柴油机用带开口式燃烧室活塞 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015177898A1 (ja) * | 2014-05-22 | 2015-11-26 | 日産自動車株式会社 | ディーゼルエンジンの燃焼室構造 |
JPWO2015177898A1 (ja) * | 2014-05-22 | 2017-04-20 | 日産自動車株式会社 | ディーゼルエンジンの燃焼室構造 |
US9938887B2 (en) | 2014-05-22 | 2018-04-10 | Nissan Motor Co., Ltd. | Combustion chamber structure for diesel engine |
WO2019013221A1 (ja) * | 2017-07-11 | 2019-01-17 | いすゞ自動車株式会社 | 直噴式内燃機関の燃焼室構造 |
JP2019019676A (ja) * | 2017-07-11 | 2019-02-07 | いすゞ自動車株式会社 | 直噴式内燃機関の燃焼室構造 |
JP7005974B2 (ja) | 2017-07-11 | 2022-01-24 | いすゞ自動車株式会社 | 直噴式内燃機関の燃焼室構造 |
Also Published As
Publication number | Publication date |
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CN102892992B (zh) | 2015-11-25 |
GB201001562D0 (en) | 2010-03-17 |
JP5826189B2 (ja) | 2015-12-02 |
EP2529094A1 (en) | 2012-12-05 |
KR20130044201A (ko) | 2013-05-02 |
WO2011092459A1 (en) | 2011-08-04 |
CN102892992A (zh) | 2013-01-23 |
US20130036998A1 (en) | 2013-02-14 |
US8770168B2 (en) | 2014-07-08 |
EP2529094B1 (en) | 2019-01-02 |
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