JPS5681218A - Combustion chamber of internal combustion engine - Google Patents

Combustion chamber of internal combustion engine

Info

Publication number
JPS5681218A
JPS5681218A JP15700679A JP15700679A JPS5681218A JP S5681218 A JPS5681218 A JP S5681218A JP 15700679 A JP15700679 A JP 15700679A JP 15700679 A JP15700679 A JP 15700679A JP S5681218 A JPS5681218 A JP S5681218A
Authority
JP
Japan
Prior art keywords
combustion chamber
path
air
secondary combustion
swirl
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.)
Pending
Application number
JP15700679A
Other languages
Japanese (ja)
Inventor
Yoshiharu Yonekubo
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.)
IHI Corp
Original Assignee
IHI Corp
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 IHI Corp filed Critical IHI Corp
Priority to JP15700679A priority Critical patent/JPS5681218A/en
Publication of JPS5681218A publication Critical patent/JPS5681218A/en
Pending legal-status Critical Current

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
    • F02B23/0618—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
    • F02B23/0618—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
    • F02B23/0627—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 having additional bores or grooves machined into the piston for guiding air or charge flow to the piston bowl
    • 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
    • F02B23/063—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 the combustion space in the piston interacting fluid dynamically with the cylinder head, the injector body or 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
    • 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)
  • Combustion Methods Of Internal-Combustion Engines (AREA)

Abstract

PURPOSE: To improve combustion efficiency by connecting, by means of a communication passage, two combustion chambers respectively formed between a centrally concaved piston head and a projected cylinder head, and the one formed between the flat planes of the piston head and the cylinder head.
CONSTITUTION: At a nearly end of compression stroke, as illustrated in the drawing, the air inside a cylinder is inrushed from a secondary combustion chamber 6 into a primary combustion chamber 3a directly or through a path 4. The inrush of air is brought into the primary combustion chamber 3a through the path 4 to accelerate an exsisting swirl 12 further. Immediately after injected from a fuel nozzle 8, fuel starts its evaporation. When it starts firing, a drastically expanded hot burning gas flow 13 is swiftly ejected from the path 4 along with the unburnt gas to cause a swirl in the secondary combustion chamber 6. The air in the secondary combustion chamber 6 and the unburnt gas are readily mixed in adrance and completely burnt.
COPYRIGHT: (C)1981,JPO&Japio
JP15700679A 1979-12-04 1979-12-04 Combustion chamber of internal combustion engine Pending JPS5681218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15700679A JPS5681218A (en) 1979-12-04 1979-12-04 Combustion chamber of internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15700679A JPS5681218A (en) 1979-12-04 1979-12-04 Combustion chamber of internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5681218A true JPS5681218A (en) 1981-07-03

Family

ID=15640110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15700679A Pending JPS5681218A (en) 1979-12-04 1979-12-04 Combustion chamber of internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5681218A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06257441A (en) * 1993-03-05 1994-09-13 Isuzu Ceramics Kenkyusho:Kk Combustion chamber for diesel engine
JPH0719052A (en) * 1993-06-30 1995-01-20 Isuzu Ceramics Kenkyusho:Kk Piston structure having auxiliary combustion chamber
DE19743118A1 (en) * 1997-09-30 1999-04-08 Udo Brunner Combustion chamber modification for spark-iginition piston engines
EP1482145A2 (en) * 2003-05-21 2004-12-01 Meta Motoren- Und Energie-Technik Gmbh Method and piston-cylinder unit to produce an inflammable mixture in the combustion chamber of a reciprocating combustion engine
EP2060737A1 (en) * 2007-11-15 2009-05-20 Wärtsilä Schweiz AG Cylinder assembly for a reciprocating compressor combustion machine and reciprocating compressor combustion machine
US9909489B1 (en) 2016-10-05 2018-03-06 Caterpillar Inc. Piston fluid passages for reduced soot

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06257441A (en) * 1993-03-05 1994-09-13 Isuzu Ceramics Kenkyusho:Kk Combustion chamber for diesel engine
JPH0719052A (en) * 1993-06-30 1995-01-20 Isuzu Ceramics Kenkyusho:Kk Piston structure having auxiliary combustion chamber
DE19743118A1 (en) * 1997-09-30 1999-04-08 Udo Brunner Combustion chamber modification for spark-iginition piston engines
DE19743118C2 (en) * 1997-09-30 1999-10-14 Udo Brunner Performance-increasing compression gap profile in internal combustion engines and ignition improvement
EP1482145A2 (en) * 2003-05-21 2004-12-01 Meta Motoren- Und Energie-Technik Gmbh Method and piston-cylinder unit to produce an inflammable mixture in the combustion chamber of a reciprocating combustion engine
DE10323000A1 (en) * 2003-05-21 2004-12-23 Meta Motoren- Und Energie-Technik Gmbh Method and piston-cylinder unit for generating a combustible fuel-gas mixture in a combustion chamber of a reciprocating piston internal combustion engine
EP1482145A3 (en) * 2003-05-21 2006-04-26 Meta Motoren- Und Energie-Technik Gmbh Method and piston-cylinder unit to produce an inflammable mixture in the combustion chamber of a reciprocating combustion engine
DE10323000B4 (en) * 2003-05-21 2007-07-19 Meta Motoren- Und Energie-Technik Gmbh Method and piston-cylinder unit for generating a combustible fuel-gas mixture in a combustion chamber of a reciprocating internal combustion engine
EP2060737A1 (en) * 2007-11-15 2009-05-20 Wärtsilä Schweiz AG Cylinder assembly for a reciprocating compressor combustion machine and reciprocating compressor combustion machine
US9909489B1 (en) 2016-10-05 2018-03-06 Caterpillar Inc. Piston fluid passages for reduced soot

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