WO2009038044A1 - ディーゼルエンジン - Google Patents

ディーゼルエンジン Download PDF

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Publication number
WO2009038044A1
WO2009038044A1 PCT/JP2008/066658 JP2008066658W WO2009038044A1 WO 2009038044 A1 WO2009038044 A1 WO 2009038044A1 JP 2008066658 W JP2008066658 W JP 2008066658W WO 2009038044 A1 WO2009038044 A1 WO 2009038044A1
Authority
WO
WIPO (PCT)
Prior art keywords
diesel engine
piston
prevented
burned
diluted
Prior art date
Application number
PCT/JP2008/066658
Other languages
English (en)
French (fr)
Inventor
Gou Asai
Takeshi Takahashi
Terumitsu Takahata
Takahiko Kimura
Tomoyuki Tsuda
Original Assignee
Yanmar Co., Ltd.
Denso Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yanmar Co., Ltd., Denso Corporation filed Critical Yanmar Co., Ltd.
Priority to US12/678,644 priority Critical patent/US8327822B2/en
Priority to BRPI0817123 priority patent/BRPI0817123A2/pt
Priority to DE112008002527T priority patent/DE112008002527T5/de
Priority to CN2008801079422A priority patent/CN101802360B/zh
Publication of WO2009038044A1 publication Critical patent/WO2009038044A1/ja

Links

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
    • F02B23/02—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
    • 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
    • F02B23/0648—Means or methods to improve the spray dispersion, evaporation or ignition
    • F02B23/0651—Means or methods to improve the spray dispersion, evaporation or ignition the fuel spray impinging on reflecting surfaces or being specially guided throughout the combustion space
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

シリンダライナ壁面における潤滑油の燃焼及び潤滑油の希釈化を防止し、かつ、燃焼室における局所的な空気不足に起因するスモークが発生することを防止するディーゼルエンジンを提供することを課題とする。本発明のディーゼルエンジンは、群噴孔ノズル２０を有し、ピストン頂面１１１の全周に亘って、ピストン１１０の径方向外周に向けて高さが増加するステップ１１５を有する。また、ステップ１１５の段差面として傾斜部１１５ｂが形成される。
PCT/JP2008/066658 2007-09-21 2008-09-16 ディーゼルエンジン WO2009038044A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/678,644 US8327822B2 (en) 2007-09-21 2008-09-16 Diesel engine
BRPI0817123 BRPI0817123A2 (pt) 2007-09-21 2008-09-16 Motor a diesel
DE112008002527T DE112008002527T5 (de) 2007-09-21 2008-09-16 Dieselmotor
CN2008801079422A CN101802360B (zh) 2007-09-21 2008-09-16 柴油机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007245022A JP5196637B2 (ja) 2007-09-21 2007-09-21 ディーゼルエンジン
JP2007-245022 2007-09-21

Publications (1)

Publication Number Publication Date
WO2009038044A1 true WO2009038044A1 (ja) 2009-03-26

Family

ID=40467858

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066658 WO2009038044A1 (ja) 2007-09-21 2008-09-16 ディーゼルエンジン

Country Status (7)

Country Link
US (1) US8327822B2 (ja)
JP (1) JP5196637B2 (ja)
CN (1) CN101802360B (ja)
BR (1) BRPI0817123A2 (ja)
DE (1) DE112008002527T5 (ja)
RU (1) RU2010115762A (ja)
WO (1) WO2009038044A1 (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009050265A1 (de) * 2009-10-21 2010-09-02 Mtu Friedrichshafen Gmbh Kolben für Brennkraftmaschinen
FR2947009A1 (fr) * 2009-06-23 2010-12-24 Peugeot Citroen Automobiles Sa Piston pour chambre de combustion de moteur diesel.
DE102009025404A1 (de) * 2009-06-16 2011-01-20 Mtu Friedrichshafen Gmbh Kolben für ventilgesteuerte Hubkolben-Dieselbrennkraftmaschinen
JP2012189041A (ja) * 2011-03-14 2012-10-04 Toyota Central R&D Labs Inc ディーゼルエンジン
WO2014196423A1 (ja) * 2013-06-06 2014-12-11 日野自動車株式会社 直噴式ディーゼルエンジンの燃焼室構造
JP5962835B1 (ja) * 2015-10-30 2016-08-03 いすゞ自動車株式会社 エンジンのピストン
US20180238264A1 (en) * 2017-02-19 2018-08-23 GM Global Technology Operations LLC Diesel piston with stepped bowl
US20190153976A1 (en) * 2017-11-20 2019-05-23 Man Truck & Bus Ag Piston, in particular for an hpdi diesel/gas internal combustion engine

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9234451B2 (en) * 2010-04-20 2016-01-12 Caterpillar Inc. Piston having combustion bowl shaped to balance combustion efficiency and emission properties
US8978621B2 (en) * 2010-04-20 2015-03-17 Caterpillar Inc. Piston having combustion bowl shaped to balance combustion efficiency and emission properties
DE102011017479A1 (de) * 2011-04-19 2012-10-25 Daimler Ag Brennkraftmaschine
DE102011119215B4 (de) * 2011-11-23 2021-07-22 Daimler Ag Verbrennungsverfahren und Brennkraftmaschine
US9470197B2 (en) 2012-12-21 2016-10-18 Caterpillar Inc. Fuel injector having turbulence-reducing sac
CN103046997A (zh) * 2012-12-28 2013-04-17 潍柴动力股份有限公司 一种柴油发动机及其燃烧室
US9328693B2 (en) 2013-07-17 2016-05-03 Electro-Motive Diesel, Inc. Piston, engine and operating method for reduced production of particulate matter
FR3012522B1 (fr) * 2013-10-25 2018-08-24 IFP Energies Nouvelles Moteur a combustion a injection directe de combustible a allumage par compression et procede d'injection de combustible pour un tel moteur.
FR3016926B1 (fr) * 2014-01-29 2018-12-07 IFP Energies Nouvelles Moteur a combustion a injection directe de combustible et plus particulierement moteur a allumage par compression avec faible taux de compression
CN103835803B (zh) * 2014-02-24 2016-02-24 大连理工大学 柴油机碰撞分流燃烧室
FR3018552B1 (fr) * 2014-03-14 2019-07-05 IFP Energies Nouvelles Moteur a combustion a injection directe de combustible a allumage par compression comprenant des moyens de refroidissement du piston.
FR3019589B1 (fr) * 2014-04-03 2019-06-07 IFP Energies Nouvelles Procede d'injection de combustible dans la chambre de combustion d'un moteur a combustion interne fonctionnant en monocarburation ou en multicarburation
US20170159549A1 (en) * 2014-05-22 2017-06-08 Nissan Motor Co., Ltd. Combustion Chamber Structure for Diesel Engine
JP6197750B2 (ja) * 2014-06-09 2017-09-20 マツダ株式会社 ディーゼルエンジンの燃焼室構造
US9611806B2 (en) 2014-11-18 2017-04-04 Caterpillar Inc. Engine piston
JP6090638B2 (ja) * 2015-01-09 2017-03-08 マツダ株式会社 エンジンの燃焼室構造
US20160298528A1 (en) * 2015-04-13 2016-10-13 Caterpillar Inc. Ducted Combustion Systems Utilizing Curved Ducts
JP6485489B2 (ja) * 2017-05-23 2019-03-20 マツダ株式会社 エンジンの制御装置及びエンジンの制御方法
US10731600B2 (en) 2017-11-07 2020-08-04 Deere & Company Piston with soot reducing piston bowl
JP7047785B2 (ja) * 2019-01-18 2022-04-05 マツダ株式会社 圧縮着火エンジン
JP7310387B2 (ja) * 2019-07-10 2023-07-19 マツダ株式会社 エンジンの燃焼室構造
DE102022117345A1 (de) 2022-07-12 2024-01-18 Man Truck & Bus Se Brennkraftmaschine, vorzugsweise zum Ausführen eines Diffusionsbrennverfahrens
CN116988868B (zh) * 2023-09-26 2024-02-06 中国船舶集团有限公司第七一一研究所 燃烧结构、组织燃烧的方法、计算机可读介质、内燃机

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JPS5742164U (ja) * 1980-08-13 1982-03-08
JPS58183933U (ja) * 1982-06-03 1983-12-07 三菱重工業株式会社 デイ−ゼル機関の燃焼室
JPS601961U (ja) * 1983-05-04 1985-01-09 日産自動車株式会社 直接噴射式デイ−ゼル機関の燃料噴射ノズル
JPS6287665A (ja) * 1985-10-14 1987-04-22 Mitsubishi Motors Corp 直噴式デイ−ゼルエンジン用燃料噴射ノズル
JPS6394021A (ja) * 1986-10-08 1988-04-25 Mazda Motor Corp 直噴式デイ−ゼルエンジン
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JP2007211644A (ja) * 2006-02-08 2007-08-23 Hino Motors Ltd 直噴式ディーゼルエンジンの燃焼室構造

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RU47980U1 (ru) 2004-12-30 2005-09-10 Открытое акционерное общество "Заволжский моторный завод" Камера сгорания дизельного двигателя с непосредственным впрыском топлива
JP4767775B2 (ja) * 2006-07-04 2011-09-07 本田技研工業株式会社 燃料直噴ディーゼルエンジン
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JPS5742164U (ja) * 1980-08-13 1982-03-08
JPS58183933U (ja) * 1982-06-03 1983-12-07 三菱重工業株式会社 デイ−ゼル機関の燃焼室
JPS601961U (ja) * 1983-05-04 1985-01-09 日産自動車株式会社 直接噴射式デイ−ゼル機関の燃料噴射ノズル
JPS6287665A (ja) * 1985-10-14 1987-04-22 Mitsubishi Motors Corp 直噴式デイ−ゼルエンジン用燃料噴射ノズル
JPS6394021A (ja) * 1986-10-08 1988-04-25 Mazda Motor Corp 直噴式デイ−ゼルエンジン
JP2000220520A (ja) * 1999-01-27 2000-08-08 Komatsu Ltd 内燃機関のピストン
JP2001207853A (ja) * 2000-01-24 2001-08-03 Toyota Autom Loom Works Ltd 直噴式ディーゼルエンジン
JP2006022781A (ja) * 2004-07-09 2006-01-26 Mitsubishi Heavy Ind Ltd 直接燃料噴射式ディーゼル機関
JP2006125388A (ja) * 2004-10-28 2006-05-18 Caterpillar Inc 二重ボウルピストン
JP2006242159A (ja) * 2005-03-07 2006-09-14 Nissan Motor Co Ltd 燃料噴射弁
JP2007211644A (ja) * 2006-02-08 2007-08-23 Hino Motors Ltd 直噴式ディーゼルエンジンの燃焼室構造

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009025404A1 (de) * 2009-06-16 2011-01-20 Mtu Friedrichshafen Gmbh Kolben für ventilgesteuerte Hubkolben-Dieselbrennkraftmaschinen
DE102009025404B4 (de) * 2009-06-16 2018-01-25 Mtu Friedrichshafen Gmbh Kolben für ventilgesteuerte Hubkolben-Dieselbrennkraftmaschinen
FR2947009A1 (fr) * 2009-06-23 2010-12-24 Peugeot Citroen Automobiles Sa Piston pour chambre de combustion de moteur diesel.
DE102009050265A1 (de) * 2009-10-21 2010-09-02 Mtu Friedrichshafen Gmbh Kolben für Brennkraftmaschinen
JP2012189041A (ja) * 2011-03-14 2012-10-04 Toyota Central R&D Labs Inc ディーゼルエンジン
WO2014196423A1 (ja) * 2013-06-06 2014-12-11 日野自動車株式会社 直噴式ディーゼルエンジンの燃焼室構造
JP5962835B1 (ja) * 2015-10-30 2016-08-03 いすゞ自動車株式会社 エンジンのピストン
US20180238264A1 (en) * 2017-02-19 2018-08-23 GM Global Technology Operations LLC Diesel piston with stepped bowl
DE102018102890A1 (de) 2017-02-19 2018-08-23 Gm Global Technology Operations, Llc Dieselkolben mit gestufter Mulde
US20190153976A1 (en) * 2017-11-20 2019-05-23 Man Truck & Bus Ag Piston, in particular for an hpdi diesel/gas internal combustion engine
US10890136B2 (en) * 2017-11-20 2021-01-12 Man Truck & Bus Ag Piston, in particular for an HPDI diesel/gas internal combustion engine

Also Published As

Publication number Publication date
CN101802360B (zh) 2012-06-06
JP5196637B2 (ja) 2013-05-15
BRPI0817123A2 (pt) 2015-03-31
DE112008002527T5 (de) 2010-08-12
US20100258077A1 (en) 2010-10-14
RU2010115762A (ru) 2011-10-27
JP2009074457A (ja) 2009-04-09
CN101802360A (zh) 2010-08-11
US8327822B2 (en) 2012-12-11

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