DE3877652D1 - Verbrennungskammer fuer dieselbrennkraftmaschinen. - Google Patents

Verbrennungskammer fuer dieselbrennkraftmaschinen.

Info

Publication number
DE3877652D1
DE3877652D1 DE8888307354T DE3877652T DE3877652D1 DE 3877652 D1 DE3877652 D1 DE 3877652D1 DE 8888307354 T DE8888307354 T DE 8888307354T DE 3877652 T DE3877652 T DE 3877652T DE 3877652 D1 DE3877652 D1 DE 3877652D1
Authority
DE
Germany
Prior art keywords
diesel internal
internal combustion
combustion chamber
engines
combustion engines
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
Application number
DE8888307354T
Other languages
English (en)
Other versions
DE3877652T2 (de
Inventor
Hiroshi Iokawa
Naohisa Nakajima
Minoru Matsui
Tadao Ozawa
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.)
NGK Insulators Ltd
Mitsubishi Motors Corp
Original Assignee
NGK Insulators Ltd
Mitsubishi Motors 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 NGK Insulators Ltd, Mitsubishi Motors Corp filed Critical NGK Insulators Ltd
Publication of DE3877652D1 publication Critical patent/DE3877652D1/de
Application granted granted Critical
Publication of DE3877652T2 publication Critical patent/DE3877652T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0672Omega-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0603Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0636Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston the combustion space having a substantially flat and horizontal bottom
    • F02B23/0639Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston the combustion space having a substantially flat and horizontal bottom the combustion space having substantially the shape of a cylinder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0642Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston the depth of the combustion space being much smaller than the diameter of the piston, e.g. the depth being in the order of one tenth of the diameter
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0696W-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F3/00Pistons 
    • F02F3/10Pistons  having surface coverings
    • F02F3/12Pistons  having surface coverings on piston heads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0603Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head
    • F02B2023/0612Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head the material having a high temperature and pressure resistance, e.g. ceramic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14Direct injection into combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/40Squish effect
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/02Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition
    • F02B23/06Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being arranged in working piston
    • F02B23/0645Details related to the fuel injector or the fuel spray
    • F02B23/0669Details related to the fuel injector or the fuel spray having multiple fuel spray jets per injector nozzle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00Engines characterised by air compression and subsequent fuel addition
    • F02B3/06Engines characterised by air compression and subsequent fuel addition with compression ignition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • F02F1/24Cylinder heads
    • F02F2001/244Arrangement of valve stems in cylinder heads
    • F02F2001/247Arrangement of valve stems in cylinder heads the valve stems being orientated in parallel with the cylinder axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02FCYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00Cylinders; Cylinder heads 
    • F02F1/24Cylinder heads
    • F02F2001/249Cylinder heads with flame plate, e.g. insert in the cylinder head used as a thermal insulation between cylinder head and combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00Metals
    • F05C2201/02Light metals
    • F05C2201/021Aluminium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00Metals
    • F05C2201/04Heavy metals
    • F05C2201/0433Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448Steel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05CINDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00Metals
    • F05C2201/04Heavy metals
    • F05C2201/0433Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448Steel
    • F05C2201/046Stainless steel or inox, e.g. 18-8
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
DE8888307354T 1987-08-12 1988-08-09 Verbrennungskammer fuer dieselbrennkraftmaschinen. Expired - Fee Related DE3877652T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62200059A JPS6445918A (en) 1987-08-12 1987-08-12 Combustion chamber for diesel engine

Publications (2)

Publication Number Publication Date
DE3877652D1 true DE3877652D1 (de) 1993-03-04
DE3877652T2 DE3877652T2 (de) 1993-06-17

Family

ID=16418155

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888307354T Expired - Fee Related DE3877652T2 (de) 1987-08-12 1988-08-09 Verbrennungskammer fuer dieselbrennkraftmaschinen.

Country Status (4)

Country Link
US (1) US5097807A (de)
EP (1) EP0303444B1 (de)
JP (1) JPS6445918A (de)
DE (1) DE3877652T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0299718A (ja) * 1988-10-07 1990-04-11 Mitsubishi Motors Corp 直接噴射式ディーゼル機関の燃焼室構造
FR2666628B1 (fr) * 1990-09-06 1994-09-16 Melchior Jean Dispositif d'etancheite entre la culasse et le cylindre d'une machine alternative a compression de fluide gazeux.
JP2579422Y2 (ja) * 1991-02-01 1998-08-27 株式会社共立 二サイクルエンジン用シリンダ
JPH0565809A (ja) * 1991-09-04 1993-03-19 Sumitomo Electric Ind Ltd アジヤステイングシム
GB0016443D0 (en) * 2000-07-04 2000-08-23 United Eng Forgings Ltd A piston head and a method of making a piston head
DE10149397A1 (de) * 2001-10-01 2003-04-24 Siemens Ag Hartstoffschicht
US6832594B2 (en) * 2002-01-09 2004-12-21 Nissan Motor Co., Ltd. Direct fuel injection engine
JP4474338B2 (ja) * 2005-07-08 2010-06-02 トヨタ自動車株式会社 シリンダライナ及びエンジン
US7802553B2 (en) * 2005-10-18 2010-09-28 Gm Global Technology Operations, Inc. Method to improve combustion stability in a controlled auto-ignition combustion engine
US7246597B2 (en) * 2005-11-16 2007-07-24 Gm Global Technology Operations, Inc. Method and apparatus to operate a homogeneous charge compression-ignition engine
US7367319B2 (en) * 2005-11-16 2008-05-06 Gm Global Technology Operations, Inc. Method and apparatus to determine magnitude of combustion chamber deposits
US20090071434A1 (en) * 2007-09-19 2009-03-19 Macmillan Shaun T Low heat rejection high efficiency internal combustion engine
FR2925114A1 (fr) 2007-12-18 2009-06-19 Inst Francais Du Petrole Moteur a combustion interne a autoinflammation avec stratification de temperature du melange carbure et procede pour realiser un tel melange
DE102007061601A1 (de) * 2007-12-20 2009-06-25 Mahle International Gmbh Kolben für einen Verbrennungsmotor sowie Verfahren zu seiner Herstellung
JP2013164028A (ja) * 2012-02-10 2013-08-22 Toyota Motor Corp ピストン
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
JP6168034B2 (ja) * 2014-11-21 2017-07-26 トヨタ自動車株式会社 溶射皮膜、これを有したエンジン、および溶射皮膜の成膜方法
US11719184B1 (en) * 2022-01-21 2023-08-08 Tenneco Inc. Piston with engineered crown coating and method of manufacturing

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US579616A (en) * 1897-03-30 Rod-packing for air-brakes
GB579616A (en) * 1944-06-06 1946-08-09 Specialloid Ltd Improvements in and relating to light metal and light metal alloy pistons
FR1182853A (fr) * 1956-09-18 1959-06-30 Maschf Augsburg Nuernberg Ag Chambre de combustion pour moteur à combustion interne à injection
US3408995A (en) * 1967-05-22 1968-11-05 Thomas A. Johnson Combustion chamber design and material for internal combustion cylinders and engines
HU164219B (de) * 1970-04-07 1974-01-28
DE2439806C2 (de) * 1974-08-20 1981-09-17 Gebrüder Elsbett GmbH, 8543 Hilpoltstein Luftverdichtende, selbstzündende Brennkraftmaschine
US4074671A (en) * 1974-10-31 1978-02-21 Pennila Simo A O Thin and low specific heat ceramic coating and method for increasing operating efficiency of internal combustion engines
JPS5913630B2 (ja) * 1976-11-02 1984-03-30 昭和ロツク株式会社 排煙窓錠
SE433376B (sv) * 1979-10-22 1984-05-21 Saab Scania Ab Kolvmotor med vermeisolerat forbrenningsrum
US4344390A (en) * 1979-12-31 1982-08-17 Cummins Engine Company, Inc. Piston-cylinder assembly of an internal combustion engine
JPS5993920A (ja) * 1982-11-18 1984-05-30 Ngk Spark Plug Co Ltd 2サイクルエンジン
JPS59122765A (ja) * 1982-12-29 1984-07-16 Isuzu Motors Ltd 断熱エンジン
JPS6030451A (ja) * 1983-07-29 1985-02-16 Hino Motors Ltd エンジンの断熱装置
JPS6090955A (ja) * 1983-10-24 1985-05-22 Isuzu Motors Ltd 断熱内燃機関の構造
JPS61142320A (ja) * 1984-12-15 1986-06-30 Mitsubishi Heavy Ind Ltd デイ−ゼル機関の燃焼室
JPS61218715A (ja) * 1985-03-25 1986-09-29 Yanmar Diesel Engine Co Ltd 内燃機関の燃焼室
US4774926A (en) * 1987-02-13 1988-10-04 Adams Ellsworth C Shielded insulation for combustion chamber
US4796572A (en) * 1987-06-01 1989-01-10 The United States Of America As Represented By The Secretary Of The Army Combustion chamber liner

Also Published As

Publication number Publication date
US5097807A (en) 1992-03-24
EP0303444B1 (de) 1993-01-20
JPS6445918A (en) 1989-02-20
EP0303444A2 (de) 1989-02-15
DE3877652T2 (de) 1993-06-17
EP0303444A3 (en) 1989-10-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee