KR20180120698A - 공기-압축 내연기관 - Google Patents
공기-압축 내연기관 Download PDFInfo
- Publication number
- KR20180120698A KR20180120698A KR1020187025991A KR20187025991A KR20180120698A KR 20180120698 A KR20180120698 A KR 20180120698A KR 1020187025991 A KR1020187025991 A KR 1020187025991A KR 20187025991 A KR20187025991 A KR 20187025991A KR 20180120698 A KR20180120698 A KR 20180120698A
- Authority
- KR
- South Korea
- Prior art keywords
- piston
- annular surface
- trough
- section
- combustion chamber
- 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.)
- Withdrawn
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 112
- 238000007906 compression Methods 0.000 title claims abstract description 6
- 230000007704 transition Effects 0.000 claims abstract description 9
- 239000000446 fuel Substances 0.000 claims description 61
- 238000002347 injection Methods 0.000 claims description 24
- 239000007924 injection Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 17
- 239000004071 soot Substances 0.000 abstract description 25
- 230000015572 biosynthetic process Effects 0.000 abstract description 18
- 230000000694 effects Effects 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000009736 wetting 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
- 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
- F02B23/0696—W-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 wall
-
- 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
- F02B23/0618—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 having in-cylinder means to influence the charge motion
-
- 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
- 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
- F02B23/0684—Ring like bowl, e.g. toroidal
-
- 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
- F02B23/0687—Multiple bowls in the piston, e.g. one bowl per fuel spray jet
-
- 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
- F02B23/08—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
- 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
- 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
-
- 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)
- Pistons, Piston Rings, And Cylinders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50201/2016 | 2016-03-10 | ||
| ATA50201/2016A AT518516B1 (de) | 2016-03-10 | 2016-03-10 | Kolben für eine luftverdichtende brennkraftmaschine |
| PCT/AT2017/060035 WO2017152203A1 (de) | 2016-03-10 | 2017-02-21 | Luftverdichtende brennkraftmaschine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20180120698A true KR20180120698A (ko) | 2018-11-06 |
Family
ID=58191190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020187025991A Withdrawn KR20180120698A (ko) | 2016-03-10 | 2017-02-21 | 공기-압축 내연기관 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20200340391A1 (enExample) |
| JP (1) | JP2019507848A (enExample) |
| KR (1) | KR20180120698A (enExample) |
| CN (1) | CN108779704A (enExample) |
| AT (1) | AT518516B1 (enExample) |
| DE (1) | DE112017000251A5 (enExample) |
| WO (1) | WO2017152203A1 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201800001869A1 (it) * | 2018-01-25 | 2019-07-25 | Fpt Motorenforschung Ag | Pistone di motore |
| CN108518272A (zh) * | 2018-03-29 | 2018-09-11 | 天津中恒动力研究院有限公司 | 发动机总成 |
| DE102018006635B4 (de) | 2018-08-22 | 2020-07-09 | Daimler Ag | Verfahren zum Betreiben einer Verbrennungskraftmaschine für ein Kraftfahrzeug, sowie Verbrennungskraftmaschine für ein Kraftfahrzeug |
| EP3643900A1 (en) * | 2018-10-24 | 2020-04-29 | C.R.F. Società Consortile per Azioni | A piston for a compression ignition internal combustion engine |
| EP3643899A1 (en) * | 2018-10-24 | 2020-04-29 | C.R.F. Società Consortile per Azioni | A piston for a compression ignition internal combustion engine |
| CN109404156B (zh) * | 2018-12-10 | 2020-07-24 | 广西玉柴机器股份有限公司 | 直喷式柴油机的燃烧室 |
| JP7124734B2 (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 |
| DE102019006760A1 (de) | 2019-09-27 | 2021-04-01 | Daimler Ag | Kolben für eine Hubkolbenmaschine, insbesondere eines Kraftfahrzeugs, sowie Hubkolbenmaschine für ein Kraftfahrzeug |
| US11230992B2 (en) * | 2020-04-03 | 2022-01-25 | Caterpillar Inc. | Piston geometry for reduced smoke and cylinder head component temperatures |
| JP7518663B2 (ja) * | 2020-05-19 | 2024-07-18 | 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 |
| US11598246B2 (en) * | 2021-06-23 | 2023-03-07 | Deere & Company | Internal combustion engine and piston having piston bowl |
| AT525166B1 (de) * | 2021-06-24 | 2023-01-15 | Avl List Gmbh | Verbrennungssystem für eine luftverdichtende brennkraftmaschine |
| CN114352431B (zh) * | 2022-03-17 | 2022-06-07 | 潍柴动力股份有限公司 | 一种活塞及发动机 |
| DE102022117345A1 (de) * | 2022-07-12 | 2024-01-18 | Man Truck & Bus Se | Brennkraftmaschine, vorzugsweise zum Ausführen eines Diffusionsbrennverfahrens |
| CN115853632B (zh) * | 2023-02-27 | 2023-06-23 | 潍柴动力股份有限公司 | 一种燃烧室以及气体发动机 |
| WO2025036544A1 (en) * | 2023-08-11 | 2025-02-20 | Volvo Truck Corporation | A piston and an internal combustion engine system |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8276563B2 (en) * | 2002-06-28 | 2012-10-02 | Cummins, Inc. | Internal combustion engine piston |
| AT7204U1 (de) * | 2002-12-19 | 2004-11-25 | Avl List Gmbh | Verfahren zum betreiben einer direkteinspritzenden diesel-brennkraftmaschine |
| WO2005033496A1 (de) * | 2003-10-09 | 2005-04-14 | Avl List Gmbh | Verfahren zum betreiben einer brennkraftmaschine |
| DE102006020642B4 (de) * | 2006-05-04 | 2019-05-23 | Daimler Ag | Verfahren zum Betrieb einer Brennkraftmaschine und Brennkraftmaschine für ein solches Verfahren |
| 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 |
| JP5589453B2 (ja) * | 2010-03-11 | 2014-09-17 | いすゞ自動車株式会社 | ディーゼルエンジンの燃焼室 |
| US8459229B2 (en) * | 2010-04-20 | 2013-06-11 | Southwest Research Institute | Piston bowl with spray jet targets |
| KR101262577B1 (ko) * | 2011-07-18 | 2013-05-08 | 현대자동차주식회사 | 디젤엔진 피스톤 |
| US9267422B2 (en) * | 2011-10-17 | 2016-02-23 | GM Global Technology Operations LLC | Combustion system for an engine having multiple fuel spray induced vortices |
| CN202611915U (zh) * | 2012-03-28 | 2012-12-19 | 东风朝阳朝柴动力有限公司 | 一种喉口面积大深度小的活塞燃烧室 |
| 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 |
| KR101996085B1 (ko) * | 2012-09-14 | 2019-07-03 | 두산인프라코어 주식회사 | 질소 산화물 저감을 위한 직접 분사식 디젤 엔진의 연소실 |
| 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 |
| JP6303290B2 (ja) * | 2013-05-14 | 2018-04-04 | 日産自動車株式会社 | 直噴式ディーゼルエンジン |
-
2016
- 2016-03-10 AT ATA50201/2016A patent/AT518516B1/de not_active IP Right Cessation
-
2017
- 2017-02-21 WO PCT/AT2017/060035 patent/WO2017152203A1/de not_active Ceased
- 2017-02-21 KR KR1020187025991A patent/KR20180120698A/ko not_active Withdrawn
- 2017-02-21 JP JP2018547973A patent/JP2019507848A/ja active Pending
- 2017-02-21 DE DE112017000251.6T patent/DE112017000251A5/de not_active Withdrawn
- 2017-02-21 US US16/083,686 patent/US20200340391A1/en not_active Abandoned
- 2017-02-21 CN CN201780015977.2A patent/CN108779704A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AT518516B1 (de) | 2018-03-15 |
| DE112017000251A5 (de) | 2018-09-13 |
| JP2019507848A (ja) | 2019-03-22 |
| CN108779704A (zh) | 2018-11-09 |
| US20200340391A1 (en) | 2020-10-29 |
| WO2017152203A1 (de) | 2017-09-14 |
| AT518516A1 (de) | 2017-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20180907 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination |