FR2947009B1 - Piston pour chambre de combustion de moteur diesel. - Google Patents
Piston pour chambre de combustion de moteur diesel.Info
- Publication number
- FR2947009B1 FR2947009B1 FR0954274A FR0954274A FR2947009B1 FR 2947009 B1 FR2947009 B1 FR 2947009B1 FR 0954274 A FR0954274 A FR 0954274A FR 0954274 A FR0954274 A FR 0954274A FR 2947009 B1 FR2947009 B1 FR 2947009B1
- Authority
- FR
- France
- Prior art keywords
- piston
- combustion chamber
- diesel engine
- engine combustion
- diesel
- 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.)
- Expired - Fee Related
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
- F02B23/0645—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
- F02B23/0672—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
-
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0954274A FR2947009B1 (fr) | 2009-06-23 | 2009-06-23 | Piston pour chambre de combustion de moteur diesel. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0954274A FR2947009B1 (fr) | 2009-06-23 | 2009-06-23 | Piston pour chambre de combustion de moteur diesel. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2947009A1 FR2947009A1 (fr) | 2010-12-24 |
FR2947009B1 true FR2947009B1 (fr) | 2014-05-09 |
Family
ID=41566060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0954274A Expired - Fee Related FR2947009B1 (fr) | 2009-06-23 | 2009-06-23 | Piston pour chambre de combustion de moteur diesel. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2947009B1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105275584A (zh) * | 2014-06-09 | 2016-01-27 | 马自达汽车株式会社 | 柴油发动机的燃烧室结构 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9328693B2 (en) | 2013-07-17 | 2016-05-03 | Electro-Motive Diesel, Inc. | Piston, engine and operating method for reduced production of particulate matter |
FR3060059B1 (fr) * | 2016-12-12 | 2019-08-09 | Peugeot Citroen Automobiles Sa | Piston de moteur a combustion interne |
CN109519299A (zh) * | 2018-12-29 | 2019-03-26 | 昆山三动力有限公司 | 活塞、内燃机及动力机械装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS599734B2 (ja) * | 1978-12-05 | 1984-03-05 | 日野自動車株式会社 | 直接噴射式デイ−ゼルエンジンのピストン |
JPH0571347A (ja) * | 1991-09-09 | 1993-03-23 | Yanmar Diesel Engine Co Ltd | 直接噴射式デイーゼル機関の燃焼室 |
JP3613054B2 (ja) * | 1999-02-15 | 2005-01-26 | 三菱自動車エンジニアリング株式会社 | 直噴エンジン |
JP4456968B2 (ja) * | 2003-12-01 | 2010-04-28 | 株式会社小松製作所 | 燃料直接噴射式ディーゼルエンジン |
DE102006002672A1 (de) * | 2006-01-19 | 2007-07-26 | Fev Motorentechnik Gmbh | Brennraumanordnung |
JP5196637B2 (ja) * | 2007-09-21 | 2013-05-15 | ヤンマー株式会社 | ディーゼルエンジン |
-
2009
- 2009-06-23 FR FR0954274A patent/FR2947009B1/fr not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105275584A (zh) * | 2014-06-09 | 2016-01-27 | 马自达汽车株式会社 | 柴油发动机的燃烧室结构 |
Also Published As
Publication number | Publication date |
---|---|
FR2947009A1 (fr) | 2010-12-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 8 |
|
PLFP | Fee payment |
Year of fee payment: 9 |
|
PLFP | Fee payment |
Year of fee payment: 10 |
|
CA | Change of address |
Effective date: 20180312 |
|
CD | Change of name or company name |
Owner name: PEUGEOT CITROEN AUTOMOBILES SA, FR Effective date: 20180312 |
|
PLFP | Fee payment |
Year of fee payment: 12 |
|
PLFP | Fee payment |
Year of fee payment: 13 |
|
ST | Notification of lapse |
Effective date: 20230205 |