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Title:
MULTI-CYLINDER ENGINE
Document Type and Number:
Japanese Patent JP2008075632
Kind Code:
A
Abstract:

To provide a multi-cylinder engine, which can be downsized and can suppress damage of an EGR cooler and an EGR valve caused by overheating.

When communicating an exhaust merging passage with an intake distribution passage via the EGR cooler 6 and an EGR valve case 7, forming a cooler jacket 33 in the EGR cooler 6, forming a valve cooling water passage 31 in the EGR valve case 7, serially connecting the cooler jacket 33 and the valve cooling water passage 31 via a cooling water relay pipe 32, and passing engine cooling water through the cooler jacket 33 and the cooling water passage 31, the EGR cooler 6 and the EGR valve case 7 are arranged along an intake distribution passage wall 3, in the multi-cylinder engine with the EGR cooler 6 and the EGR valve case 7 arranged side-by-side.


Inventors:
YAMASHITA KENJI
TANAKA TAMON
SAKANO TOMOYOSHI
TAKAMI MASAYASU
UMEDA YUZO
FUNAKI KOICHI
MUROYA SHOGO
MIYAZAKI HIDEYA
UEDA MASATO
SUGIYAMA SHINICHI
Application Number:
JP2006259109A
Publication Date:
April 03, 2008
Filing Date:
September 25, 2006
Export Citation:
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Assignee:
KUBOTA KK
International Classes:
F02M25/07
Domestic Patent References:
JP2003074417A2003-03-12
JP2000008972A2000-01-11
JP2006083814A2006-03-30
JPS62105351U1987-07-04
Attorney, Agent or Firm:
Shoji Suzue
Toshiyuki Kimura



 
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