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JPS57198314A - Spark-ignited internal combustion engine - Google Patents

Spark-ignited internal combustion engine

Info

Publication number
JPS57198314A
JPS57198314A JP56082144A JP8214481A JPS57198314A JP S57198314 A JPS57198314 A JP S57198314A JP 56082144 A JP56082144 A JP 56082144A JP 8214481 A JP8214481 A JP 8214481A JP S57198314 A JPS57198314 A JP S57198314A
Authority
JP
Japan
Prior art keywords
intake
intake port
squish
protrusion
spark
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
JP56082144A
Other languages
Japanese (ja)
Inventor
Teruyuki Ito
Shigeru Kamegaya
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor 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.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP56082144A priority Critical patent/JPS57198314A/en
Publication of JPS57198314A publication Critical patent/JPS57198314A/en
Pending 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
    • F02B23/08Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • 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)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

PURPOSE:To improve the fuel efficiency and suppress the generation of harmful emissions, by providing an exhaust valve whose cross-sectinal area is larger than the sum of those of two intake valves and by providing a squish protrusion on the top of a piston opposing to the two intake valves. CONSTITUTION:A first intake port 2 is opened in a position more distant than a second intake port 3, from the center of a combustion chamber 11, to cause an intense swirl. A throttle valve 9 is provided for the second intake port 3. The cross-sectional area of an exhaust valve 7 is larger than the sum of those of a first and a second intake valves. A squish protrusion 10A is provided on the top of a piston 10. In low-load operation, the throttle valve 9 is closed to supply the intake into the combustion chamber 11 through the first intake port 2. At that time, the intense swirl is caused by the squish protrusion 10A to stabilize the combusiton to improve the fuel efficiency and suppress the generation of harmful emissions.
JP56082144A 1981-05-29 1981-05-29 Spark-ignited internal combustion engine Pending JPS57198314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56082144A JPS57198314A (en) 1981-05-29 1981-05-29 Spark-ignited internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56082144A JPS57198314A (en) 1981-05-29 1981-05-29 Spark-ignited internal combustion engine

Publications (1)

Publication Number Publication Date
JPS57198314A true JPS57198314A (en) 1982-12-04

Family

ID=13766231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56082144A Pending JPS57198314A (en) 1981-05-29 1981-05-29 Spark-ignited internal combustion engine

Country Status (1)

Country Link
JP (1) JPS57198314A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59231120A (en) * 1983-06-11 1984-12-25 Honda Motor Co Ltd Three-valve head type internal-combustion engine
JPS6077753U (en) * 1983-11-02 1985-05-30 ダイハツ工業株式会社 Shape of piston for multi-cylinder engine
JPS60156932A (en) * 1984-01-24 1985-08-17 Mazda Motor Corp Suction device for engine
JPS61101621A (en) * 1984-10-23 1986-05-20 Nissan Motor Co Ltd Suction device of internal-combustion engine
AT1684U1 (en) * 1996-10-11 1997-09-25 Avl List Gmbh FOUR-STROKE INTERNAL COMBUSTION ENGINE
JP6229109B1 (en) * 2017-04-04 2017-11-08 康仁 矢尾板 4-valve combustion chamber

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59231120A (en) * 1983-06-11 1984-12-25 Honda Motor Co Ltd Three-valve head type internal-combustion engine
JPS6077753U (en) * 1983-11-02 1985-05-30 ダイハツ工業株式会社 Shape of piston for multi-cylinder engine
JPH0433396Y2 (en) * 1983-11-02 1992-08-11
JPS60156932A (en) * 1984-01-24 1985-08-17 Mazda Motor Corp Suction device for engine
JPH0330695B2 (en) * 1984-01-24 1991-05-01 Mazda Motor
JPS61101621A (en) * 1984-10-23 1986-05-20 Nissan Motor Co Ltd Suction device of internal-combustion engine
JPH0366499B2 (en) * 1984-10-23 1991-10-17 Nissan Motor
AT1684U1 (en) * 1996-10-11 1997-09-25 Avl List Gmbh FOUR-STROKE INTERNAL COMBUSTION ENGINE
JP6229109B1 (en) * 2017-04-04 2017-11-08 康仁 矢尾板 4-valve combustion chamber
JP2018178758A (en) * 2017-04-04 2018-11-15 康仁 矢尾板 Four-valve type combustion chamber

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