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IT1223870B - Perfezionamento relativo alla camera di combustione nei pistoni per motori diesel ad iniezione indiretta - Google Patents

Perfezionamento relativo alla camera di combustione nei pistoni per motori diesel ad iniezione indiretta

Info

Publication number
IT1223870B
IT1223870B IT67968/88A IT6796888A IT1223870B IT 1223870 B IT1223870 B IT 1223870B IT 67968/88 A IT67968/88 A IT 67968/88A IT 6796888 A IT6796888 A IT 6796888A IT 1223870 B IT1223870 B IT 1223870B
Authority
IT
Italy
Prior art keywords
pistons
combustion chamber
diesel engines
indirect injection
improvement relating
Prior art date
Application number
IT67968/88A
Other languages
English (en)
Other versions
IT8867968A0 (it
Inventor
Renato Ongetta
Original Assignee
Borgo Nova Spa
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 Borgo Nova Spa filed Critical Borgo Nova Spa
Priority to IT67968/88A priority Critical patent/IT1223870B/it
Publication of IT8867968A0 publication Critical patent/IT8867968A0/it
Priority to EP89118733A priority patent/EP0365906B1/en
Priority to DE89118733T priority patent/DE68905748T2/de
Priority to GB8922668A priority patent/GB2224311B/en
Priority to US07/419,085 priority patent/US4977874A/en
Priority to CA002000562A priority patent/CA2000562A1/en
Priority to JP1271406A priority patent/JP2881738B2/ja
Priority to BR898905450A priority patent/BR8905450A/pt
Application granted granted Critical
Publication of IT1223870B publication Critical patent/IT1223870B/it

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
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/14—Engines characterised by precombustion chambers with compression ignition
    • 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
    • F02B23/04—Other engines characterised by special shape or construction of combustion chambers to improve operation with compression ignition the combustion space being subdivided into two or more chambers
    • 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
    • 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
    • F02B2275/16—Indirect injection
    • 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)
IT67968/88A 1988-10-27 1988-10-27 Perfezionamento relativo alla camera di combustione nei pistoni per motori diesel ad iniezione indiretta IT1223870B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT67968/88A IT1223870B (it) 1988-10-27 1988-10-27 Perfezionamento relativo alla camera di combustione nei pistoni per motori diesel ad iniezione indiretta
EP89118733A EP0365906B1 (en) 1988-10-27 1989-10-09 Combustion chamber
DE89118733T DE68905748T2 (de) 1988-10-27 1989-10-09 Brennraum.
GB8922668A GB2224311B (en) 1988-10-27 1989-10-09 Combustion chamber
US07/419,085 US4977874A (en) 1988-10-27 1989-10-10 Combustion chamber
CA002000562A CA2000562A1 (en) 1988-10-27 1989-10-12 Combustion chamber
JP1271406A JP2881738B2 (ja) 1988-10-27 1989-10-18 ピストンクラウンに形成される燃焼室を有する間接噴射ディーゼルエンジンのピストン
BR898905450A BR8905450A (pt) 1988-10-27 1989-10-25 Camara de combustao

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67968/88A IT1223870B (it) 1988-10-27 1988-10-27 Perfezionamento relativo alla camera di combustione nei pistoni per motori diesel ad iniezione indiretta

Publications (2)

Publication Number Publication Date
IT8867968A0 IT8867968A0 (it) 1988-10-27
IT1223870B true IT1223870B (it) 1990-09-29

Family

ID=11306813

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67968/88A IT1223870B (it) 1988-10-27 1988-10-27 Perfezionamento relativo alla camera di combustione nei pistoni per motori diesel ad iniezione indiretta

Country Status (8)

Country Link
US (1) US4977874A (it)
EP (1) EP0365906B1 (it)
JP (1) JP2881738B2 (it)
BR (1) BR8905450A (it)
CA (1) CA2000562A1 (it)
DE (1) DE68905748T2 (it)
GB (1) GB2224311B (it)
IT (1) IT1223870B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5109816A (en) * 1990-04-27 1992-05-05 Toyota Jidosha Kabushiki Kaisha Direct fuel injection type spark ignition internal combustion engine
JPH04107442U (ja) * 1991-02-28 1992-09-17 日産デイーゼル工業株式会社 渦流室式内燃機関の主燃焼室構造
US7581526B2 (en) * 2005-09-01 2009-09-01 Harry V. Lehmann Device and method to increase fuel burn efficiency in internal combustion engines
WO2016078537A1 (zh) 2014-11-17 2016-05-26 朱晓义 一种动力装置以及汽车的发动机

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB439426A (en) * 1934-06-06 1935-12-06 Harry Ralph Ricardo Improvements in or relating to internal combustion engines of the liquid-fuel injection compression-ignition type
GB617224A (en) * 1946-08-21 1949-02-02 Harry Ralph Ricardo Improvements in or relating to pistons
US2766738A (en) * 1953-07-24 1956-10-16 Daimler Benz Ag Internal combustion engine
FR1344892A (fr) * 1962-05-28 1963-12-06 Applic Tech Ind Lati Perfectionnements aux moteurs à combustion interne à injection de carburant
US3196857A (en) * 1962-06-22 1965-07-27 Motoren Werke Mannbeim A G Vor Compression-ignition internal combustion engines
DE1197680B (de) * 1963-07-10 1965-07-29 Daimler Benz Ag Vorkammer-Einspritzbrennkraftmaschine
JPS5218645Y2 (it) * 1974-05-02 1977-04-27
JPS555707Y2 (it) * 1974-08-06 1980-02-08
IT1030391B (it) * 1975-03-21 1979-03-30 Fiat Spa Perfezionamenti nelle camere di combustione, particolarmente per motori a ciclo diesel
JPS5949407B2 (ja) * 1976-11-15 1984-12-03 トヨタ自動車株式会社 内燃機関の燃焼室
DE2705271C2 (de) * 1977-02-09 1984-07-19 Volkswagenwerk Ag, 3180 Wolfsburg Luftverdichtende, selbstzündende Einspritz-Brennkraftmaschine
JPS5486008A (en) * 1977-12-19 1979-07-09 Nissan Motor Co Ltd Eddy current chamber type diesel engine
US4303045A (en) * 1979-04-02 1981-12-01 Austin Jr George C Apparatus to convert Otto cycle engine to diesel engine
DE2934615A1 (de) * 1979-08-28 1981-03-12 Michael G. Dipl.-Ing. ETH 1180 Rolle May Selbstzuendende 4-takt-hubkolbenbrennkraftmaschine.
US4635597A (en) * 1985-01-16 1987-01-13 Yanmar Diesel Engine Co., Ltd. Structure of a main combustion chamber of a diesel engine of a direct injection type
US4719884A (en) * 1986-02-03 1988-01-19 Kubota Ltd. Combustion chamber with a domed auxiliary chamber for a spark-ignition engine
US4785776A (en) * 1986-08-08 1988-11-22 Nissan Motor Co., Ltd. Diesel engine having shaped flame dispersing recess in piston crown
JP2504505B2 (ja) * 1988-02-03 1996-06-05 日産自動車株式会社 渦流室式ディ―ゼル機関の燃焼室

Also Published As

Publication number Publication date
JPH02153220A (ja) 1990-06-12
EP0365906A3 (en) 1990-06-27
EP0365906B1 (en) 1993-03-31
BR8905450A (pt) 1990-05-29
GB2224311A (en) 1990-05-02
US4977874A (en) 1990-12-18
GB2224311B (en) 1992-10-07
GB8922668D0 (en) 1989-11-22
IT8867968A0 (it) 1988-10-27
DE68905748T2 (de) 1993-11-11
CA2000562A1 (en) 1990-04-27
DE68905748D1 (de) 1993-05-06
EP0365906A2 (en) 1990-05-02
JP2881738B2 (ja) 1999-04-12

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931027