JPH0151658B2 - - Google Patents

Info

Publication number: JPH0151658B2
Authority: JP; Japan
Prior art keywords: fuel; wall surface; combustion chamber; spray; piston
Prior art date: 1983-08-03
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

Application number

JP58141100A

Other languages

English (en)

Japanese (ja)

Other versions

JPS6032928A (ja

Inventor

Ryoichi Oohashi

Hitoshi Inaba

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Yanmar Co Ltd

Original Assignee

Yanmar Diesel Engine Co Ltd

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.)

1983-08-03

Filing date

1983-08-03

Publication date

1989-11-06

1983-08-03 Application filed by Yanmar Diesel Engine Co Ltd filed Critical Yanmar Diesel Engine Co Ltd

1983-08-03 Priority to JP58141100A priority Critical patent/JPS6032928A/ja

1985-02-20 Publication of JPS6032928A publication Critical patent/JPS6032928A/ja

1989-11-06 Publication of JPH0151658B2 publication Critical patent/JPH0151658B2/ja

Status Granted legal-status Critical Current

Links

239000000446 fuel Substances 0.000 claims description 57
238000002485 combustion reaction Methods 0.000 claims description 43
239000007921 spray Substances 0.000 claims description 35
238000002347 injection Methods 0.000 claims description 24
239000007924 injection Substances 0.000 claims description 24
230000006835 compression Effects 0.000 description 12
238000007906 compression Methods 0.000 description 12
230000007423 decrease Effects 0.000 description 3
230000002542 deteriorative effect Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000002028 premature Effects 0.000 description 1
238000009751 slip forming Methods 0.000 description 1
239000000779 smoke Substances 0.000 description 1
238000005507 spraying Methods 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
- F02B23/0678—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
- 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
- F02B23/0696—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
- 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
- F02B23/0621—Squish 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
- 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
- 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
- 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)

JP58141100A 1983-08-03 1983-08-03 直噴式内燃機関の燃焼室 Granted JPS6032928A (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP58141100A JPS6032928A (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
JP58141100A JPS6032928A (ja)	1983-08-03	1983-08-03	直噴式内燃機関の燃焼室

Publications (2)

Publication Number	Publication Date
JPS6032928A JPS6032928A (ja)	1985-02-20
JPH0151658B2 true JPH0151658B2 (mo)	1989-11-06

Family

ID=15284185

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP58141100A Granted JPS6032928A (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)	JPS6032928A (mo)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6387227U (mo) *	1986-11-28	1988-06-07
AT407425B (de) *	1995-05-03	2001-03-26	Avl Verbrennungskraft Messtech	Brennkraftmaschine mit fremdzündung
EP3176402B1 (en) *	2015-12-02	2019-05-22	Caterpillar Energy Solutions GmbH	Piston for a gaseous fuel internal combustion engine

1983
- 1983-08-03 JP JP58141100A patent/JPS6032928A/ja active Granted

Also Published As

Publication number	Publication date
JPS6032928A (ja)	1985-02-20

Publication	Publication Date	Title
JP5226795B2 (ja)	2013-07-03	車両の燃焼機関の排気を削減する装置
EP0839997B1 (en)	2002-04-24	Combustion chamber structure having piston cavity
US5979399A (en)	1999-11-09	Internal combustion engine with spark ignition
US5351665A (en)	1994-10-04	Internal combustion engine
JPH10115223A (ja)	1998-05-06	筒内噴射エンジンの燃焼室構造
EP0105933A1 (en)	1984-04-25	Combustion chamber of diesel engine
US6062192A (en)	2000-05-16	Internal combustion engine with spark ignition
JPS636728B2 (mo)	1988-02-12
EP1111216A2 (en)	2001-06-27	Combustion chamber for DISI engines with swirl airflows
JPH07150944A (ja)	1995-06-13	直噴式ディーゼルエンジンの燃焼室構造
JPH1136868A (ja)	1999-02-09	直噴式ディーゼルエンジンの燃焼室構造
JPH0148378B2 (mo)	1989-10-19
JPH11200867A (ja)	1999-07-27	筒内噴射式エンジン
JP3534480B2 (ja)	2004-06-07	ディーゼルエンジンの燃焼室構造
JPS6032928A (ja)	1985-02-20	直噴式内燃機関の燃焼室
EP0828066B1 (en)	2002-01-02	Combustion chamber of diesel engine
JP3538916B2 (ja)	2004-06-14	直噴式エンジンの燃焼室構造
JP3220192B2 (ja)	2001-10-22	内燃機関の燃焼室
JP3293372B2 (ja)	2002-06-17	直噴式ディーゼルエンジン
JP2770376B2 (ja)	1998-07-02	エンジンのピストン
JP2501886Y2 (ja)	1996-06-19	直噴式ディ―ゼル機関の燃焼室
JPH05231155A (ja)	1993-09-07	筒内噴射式内燃機関
JP2594054B2 (ja)	1997-03-26	直噴式ディーゼル機関
JP2524133Y2 (ja)	1997-01-29	直噴式ディーゼル機関の燃焼室
JPS5926772B2 (ja)	1984-06-30	副室式内燃機関