Title:
EGR SYSTEM OF ENGINE
Document Type and Number:
Japanese Patent JP2016109072
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an EGR system of an engine capable of achieving a large number of EGR flow passages with a small number of components, and capable of recirculating a target EGR gas amount required in each in a wide range of a driving condition of an engine.SOLUTION: An EGR system of an engine includes: a shared EGR passage 6 for connecting an exhaust passage 42 on a downstream side of a turbine 5T of a supercharger and an air supply passage on an upstream side of a compressor 5C; a first branch part 61, and a second branch part 62 which is closer to the exhaust passage side than the first branch part, in the shared EGR passage; a compressor bypass passage 36 branched from an air supply passage 32 on the downstream side of the compressor, and connected to the shared EGR passage in the first branch part; a turbine bypass passage 46 branched from an exhaust passage 41 on the upstream side of the turbine and connected to the shared EGR passage in the second branch part; an air supply side valve device for controlling a fluid passing through the first branch part; and an exhaust side valve device for controlling a fluid passing through the second branch part.SELECTED DRAWING: Figure 1
Inventors:
NOMURA KAZUTOSHI
SHUTO SHINTARO
HIRAOKA KENJI
YAMAMOTO TAKAYUKI
ISHIGURO TATSUO
SHUTO SHINTARO
HIRAOKA KENJI
YAMAMOTO TAKAYUKI
ISHIGURO TATSUO
Application Number:
JP2014248674A
Publication Date:
June 20, 2016
Filing Date:
December 09, 2014
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F02M26/00; F02B37/00; F02M26/02; F02M26/14; F02M26/22; F02M26/65
Attorney, Agent or Firm:
Seishin ip patent business corporation