Title:
EGR SYSTEMS AND EXHAUST HEAT EXCHANGER SYSTEMS
Document Type and Number:
WIPO Patent Application WO/2014/017014
Kind Code:
A1
Abstract:
An EGR system and an exhaust heat exchanger system comprising a heat exchanger (3, 30) for cooling exhaust by exchanging heat between exhaust from an internal combustion engine (1) and cooling water, wherein the heat exchanger (3, 30) has a cooling water channel (36) in which cooling water flows, a cooling water inlet (37) from which cooling water flows into the cooling water channel (36), and a first cooling water outlet (38) and a second cooling water outlet (39) from which cooling water flows out from the cooling water channel (36). The first cooling water outlet (38) is disposed further downstream, in the flow direction of the exhaust, than the second cooling water outlet (39), and is further provided with a three-way valve (51) for switching between a first cooling water circuit, whereby cooling water flowing in from the cooling water inlet (37) flows from the first cooling water outlet (38), and a second cooling water circuit, whereby cooling water flowing in from the cooling water inlet (37) flows from the second cooling water outlet (39).
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Inventors:
MIYAGAWA MASASHI (JP)
NAKATANI KAZUSHI (JP)
NAKATANI KAZUSHI (JP)
Application Number:
PCT/JP2013/003853
Publication Date:
January 30, 2014
Filing Date:
June 20, 2013
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F02M25/07; F28D7/10
Domestic Patent References:
WO2012086181A1 | 2012-06-28 |
Foreign References:
JP2011106289A | 2011-06-02 | |||
JP2009537743A | 2009-10-29 | |||
JP2005220747A | 2005-08-18 | |||
JP2011190742A | 2011-09-29 | |||
JP2001140701A | 2001-05-22 | |||
JP2008500489A | 2008-01-10 | |||
JP2001140704A | 2001-05-22 |
Attorney, Agent or Firm:
KIN, Junhi (JP)
Gold Junki (JP)
Gold Junki (JP)
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