JPS557910A - Internal combustion engine equipped with sub-chamber - Google Patents

Internal combustion engine equipped with sub-chamber

Info

Publication number
JPS557910A
JPS557910A JP7858278A JP7858278A JPS557910A JP S557910 A JPS557910 A JP S557910A JP 7858278 A JP7858278 A JP 7858278A JP 7858278 A JP7858278 A JP 7858278A JP S557910 A JPS557910 A JP S557910A
Authority
JP
Japan
Prior art keywords
chamber
sub
fuel
jetted
spark plug
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.)
Granted
Application number
JP7858278A
Other languages
Japanese (ja)
Other versions
JPS5951645B2 (en
Inventor
Hiromichi Yanagihara
Takashi Takahashi
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor 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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP7858278A priority Critical patent/JPS5951645B2/en
Publication of JPS557910A publication Critical patent/JPS557910A/en
Publication of JPS5951645B2 publication Critical patent/JPS5951645B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

PURPOSE: To suppress the reduction of engine output due to the sputter of a spark plug by permitting the formation of the mixed gas in optimum air-fuel ratio over the whole operation range of an engine, around the spark plug electrode.
CONSTITUTION: A sub-chamber 13 which communicates to a main chamber 6 through a communication passage 14 is divided into a first and a second sub-chambers 13a and 13b by a projection part 15 formed on the side part inner wall surface, and the communication passage 14 is arranged in tangential form on the second sub- chamber inner wall surface, and a spark plug 18 is positioned in the vicinity of the concaved part 17 under the projection part 15 described above. The jet port of a fuel jet valve 16 which is positioned in the first sub-chamber 13a is directed to the top end of the projection part 15. As the fuel jet valve 16 described above, is used a variable jet angle fuel jet valve which a portion of the fuel which is jetted from inside an eddy current chamber 28 with the increase of the fuel jet amount in one time is jetted in a range of angle α and the most part of the rest is jetted in a range of spread angle β due to a centrifugal force.
COPYRIGHT: (C)1980,JPO&Japio
JP7858278A 1978-06-30 1978-06-30 Internal combustion engine with subchamber Expired JPS5951645B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7858278A JPS5951645B2 (en) 1978-06-30 1978-06-30 Internal combustion engine with subchamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7858278A JPS5951645B2 (en) 1978-06-30 1978-06-30 Internal combustion engine with subchamber

Publications (2)

Publication Number Publication Date
JPS557910A true JPS557910A (en) 1980-01-21
JPS5951645B2 JPS5951645B2 (en) 1984-12-15

Family

ID=13665893

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7858278A Expired JPS5951645B2 (en) 1978-06-30 1978-06-30 Internal combustion engine with subchamber

Country Status (1)

Country Link
JP (1) JPS5951645B2 (en)

Also Published As

Publication number Publication date
JPS5951645B2 (en) 1984-12-15

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