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Title:
内燃機関の排気還流ガス導入装置
Document Type and Number:
Japanese Patent JP6417585
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an internal combustion engine recirculated exhaust gas introduction device capable of saving manufacturing cost, preventing an output reduction at a time of full load operation, and yet ensuring stable combustion even if a large quantity of recirculated exhaust gas is introduced.SOLUTION: An internal combustion engine recirculated exhaust gas introduction device comprises: an intake passage 20 to which intake air is supplied; a combustion chamber 14 including intake-side opening portions 23a and 23b communicating with the intake passage 20; and an EGR gas supply passage 40 connecting the intake passage 20 to an exhaust passage 30, and recirculating exhaust gas from the exhaust passage 30 to the intake passage 20 as EGR gas, the EGR gas supply passage 40 including EGR gas introduction pipes 41 and 42 provided along a wall surface 22c of the intake passage 20 and introducing the EGR gas toward the intake-side opening portions 23a and 23b, respectively, a flow passage cross-sectional area of each of the EGR gas introduction pipes 41 and 42 being set smaller than a flow passage cross-sectional area of the EGR gas supply passage 40, and a central axis of each of the EGR gas introduction pipes 41 and 42 being oriented toward a central axis of the combustion chamber 14.SELECTED DRAWING: Figure 3

Inventors:
Dai Tanaka
Takayuki Shirota
Kinya Inoue
Kuchida Masato
Application Number:
JP2014141016A
Publication Date:
November 07, 2018
Filing Date:
July 09, 2014
Export Citation:
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Assignee:
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
International Classes:
F02M26/17; F02B23/08; F02B23/10; F02B31/08; F02F1/42
Domestic Patent References:
JP6288330A
JP51147822U
JP6081719A
JP2004218646A
JP2006242074A
Attorney, Agent or Firm:
Toshiro Mitsuishi
Mitsuishi Shunpei
Yasuyuki Tanaka
Hiroshi Matsumoto
Tetsuzo Yamada