JPS6032929A - 直噴式内燃機関の燃焼室 - Google Patents
直噴式内燃機関の燃焼室Info
- Publication number
- JPS6032929A JPS6032929A JP58141101A JP14110183A JPS6032929A JP S6032929 A JPS6032929 A JP S6032929A JP 58141101 A JP58141101 A JP 58141101A JP 14110183 A JP14110183 A JP 14110183A JP S6032929 A JPS6032929 A JP S6032929A
- Authority
- JP
- Japan
- Prior art keywords
- combustion chamber
- recess
- piston
- direct
- combustion engine
- 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 40
- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 239000000446 fuel Substances 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 abstract description 6
- 239000000567 combustion gas Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization 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
- F02B23/02—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
- F02B23/0645—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
- 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
- F02B23/0624—Swirl flow
-
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58141101A JPS6032929A (ja) | 1983-08-03 | 1983-08-03 | 直噴式内燃機関の燃焼室 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58141101A JPS6032929A (ja) | 1983-08-03 | 1983-08-03 | 直噴式内燃機関の燃焼室 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6032929A true JPS6032929A (ja) | 1985-02-20 |
JPH0147606B2 JPH0147606B2 (fr) | 1989-10-16 |
Family
ID=15284208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58141101A Granted JPS6032929A (ja) | 1983-08-03 | 1983-08-03 | 直噴式内燃機関の燃焼室 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6032929A (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0214423U (fr) * | 1988-07-11 | 1990-01-30 | ||
JPH0387823U (fr) * | 1989-12-21 | 1991-09-06 | ||
US6732703B2 (en) | 2002-06-11 | 2004-05-11 | Cummins Inc. | Internal combustion engine producing low emissions |
EP1528233A1 (fr) * | 2003-11-03 | 2005-05-04 | Renault s.a.s. | Piston pour chambre de combustion destinée à réduire les émissions de suies |
US7210448B2 (en) | 2002-06-11 | 2007-05-01 | Cummins, Inc. | Internal combustion engine producing low emissions |
US8677970B2 (en) | 2011-03-17 | 2014-03-25 | Cummins Intellectual Property, Inc. | Piston for internal combustion engine |
WO2018168692A1 (fr) * | 2017-03-17 | 2018-09-20 | マツダ株式会社 | Moteur diesel |
-
1983
- 1983-08-03 JP JP58141101A patent/JPS6032929A/ja active Granted
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0214423U (fr) * | 1988-07-11 | 1990-01-30 | ||
JPH0387823U (fr) * | 1989-12-21 | 1991-09-06 | ||
US6732703B2 (en) | 2002-06-11 | 2004-05-11 | Cummins Inc. | Internal combustion engine producing low emissions |
US6966294B2 (en) | 2002-06-11 | 2005-11-22 | Cummins Inc. | Internal combustion engine producing low emissions |
US7210448B2 (en) | 2002-06-11 | 2007-05-01 | Cummins, Inc. | Internal combustion engine producing low emissions |
EP1528233A1 (fr) * | 2003-11-03 | 2005-05-04 | Renault s.a.s. | Piston pour chambre de combustion destinée à réduire les émissions de suies |
FR2861809A1 (fr) * | 2003-11-03 | 2005-05-06 | Renault Sas | Piston pour chambre de combustion destinee a reduire les emissions de suies |
US8677970B2 (en) | 2011-03-17 | 2014-03-25 | Cummins Intellectual Property, Inc. | Piston for internal combustion engine |
USRE46806E1 (en) | 2011-03-17 | 2018-04-24 | Cummins Intellectual Property, Inc. | Piston for internal combustion engine |
WO2018168692A1 (fr) * | 2017-03-17 | 2018-09-20 | マツダ株式会社 | Moteur diesel |
Also Published As
Publication number | Publication date |
---|---|
JPH0147606B2 (fr) | 1989-10-16 |
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