JPH0178257U - - Google Patents

Info

Publication number
JPH0178257U
JPH0178257U JP1987172718U JP17271887U JPH0178257U JP H0178257 U JPH0178257 U JP H0178257U JP 1987172718 U JP1987172718 U JP 1987172718U JP 17271887 U JP17271887 U JP 17271887U JP H0178257 U JPH0178257 U JP H0178257U
Authority
JP
Japan
Prior art keywords
exhaust gas
cylinder
intake
supply port
recirculating exhaust
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
JP1987172718U
Other languages
English (en)
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 filed Critical
Priority to JP1987172718U priority Critical patent/JPH0178257U/ja
Publication of JPH0178257U publication Critical patent/JPH0178257U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • F02M26/56—Systems for actuating EGR valves using vacuum actuators having pressure modulation valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/20—Feeding recirculated exhaust gases directly into the combustion chambers or into the intake runners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/42—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
    • F02M26/43—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders in which exhaust from only one cylinder or only a group of cylinders is directed to the intake of the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/42—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders
    • F02M26/44—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders in which a main EGR passage is branched into multiple passages

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す平面図、第２
図は本考案の実施例を示す縦断面図、第３図はＥ
ＧＲ時におけるシリンダ内のガスの流れを示す図
である。 ２……シリンダ、５……燃焼室、９……第１吸
気ポート、１０……第２吸気ポート、１１……第
１吸気弁、１２……第２吸気弁、２２，２３……
ＥＧＲポート、２４……点火プラグ。

Claims (1)

    【実用新案登録請求の範囲】
  1. シリンダの直径に関して対称位置に１つのシリ
    ンダ内に開口する２つの吸気ポートを具備し、燃
    焼室の頂部中心部に点火プラグを配置した複吸気
    弁エンジンであつて、前記各吸気ポートの各吸気
    弁の背面部に開口する再循環排気ガス供給ポート
    を備え、該各再循環排気ガス供給ポートは、前記
    各吸気ポートから流入する新気混合気の流れを前
    記各再循環排気ガスからのガスの流れによつてシ
    リンダの前記直径方向に向けさせかつ再循環排気
    ガスが前記点火プラグより遠い側を流れるよう指
    向されていることを特徴とする複吸気弁エンジン
    。
JP1987172718U 1987-11-13 1987-11-13 Pending JPH0178257U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987172718U JPH0178257U (ja) 1987-11-13 1987-11-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987172718U JPH0178257U (ja) 1987-11-13 1987-11-13

Publications (1)

Publication Number Publication Date
JPH0178257U true JPH0178257U (ja) 1989-05-25

Family

ID=31464673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987172718U Pending JPH0178257U (ja) 1987-11-13 1987-11-13

Country Status (1)

Country Link
JP (1) JPH0178257U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04171259A (ja) * 1990-11-05 1992-06-18 Hitachi Ltd 排気還流量制御装置
JP2006118362A (ja) * 2004-10-19 2006-05-11 Mitsubishi Heavy Ind Ltd Ｅｇｒシステム付きガスエンジン
JP2013024138A (ja) * 2011-07-21 2013-02-04 Nippon Soken Inc 噴霧特性推定装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04171259A (ja) * 1990-11-05 1992-06-18 Hitachi Ltd 排気還流量制御装置
JP2006118362A (ja) * 2004-10-19 2006-05-11 Mitsubishi Heavy Ind Ltd Ｅｇｒシステム付きガスエンジン
JP4576198B2 (ja) * 2004-10-19 2010-11-04 三菱重工業株式会社 Ｅｇｒシステム付きガスエンジン
JP2013024138A (ja) * 2011-07-21 2013-02-04 Nippon Soken Inc 噴霧特性推定装置

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