Title:
EXHAUST GAS PURIFICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/003895
Kind Code:
A1
Abstract:
Provided is an exhaust gas purification system capable of performing desired exhaust gas purification treatment by preventing the deposition of white products. This exhaust gas purification system is configured to comprise, in an exhaust pipe constituting an exhaust path of an internal combustion engine, a selective reducing-type catalyst device and a reducing agent injector which injects a reducing agent. A flexure section provided with the reducing agent injector is formed upstream of the selective reducing-type catalyst device in the exhaust pipe in the flow direction of an exhaust gas passing through the exhaust pipe, an inner pipe having a smaller inner diameter than the exhaust pipe is disposed upstream of the flexure section of the exhaust pipe, and a gap through which the exhaust gas passes is provided between the exhaust pipe and the inner pipe.
Inventors:
KAGEYAMA YUUTA (JP)
UEDA YUUKI (JP)
UEDA YUUKI (JP)
Application Number:
PCT/JP2018/022398
Publication Date:
January 03, 2019
Filing Date:
June 12, 2018
Export Citation:
Assignee:
ISUZU MOTORS LTD (JP)
International Classes:
F01N3/24; F01N3/08; F01N13/08
Foreign References:
| JP2014109240A | 2014-06-12 | |||
| JP2010090725A | 2010-04-22 | |||
| JPH09250327A | 1997-09-22 | |||
| JP2014100628A | 2014-06-05 | |||
| US20150198073A1 | 2015-07-16 | |||
| US20150101313A1 | 2015-04-16 |
Attorney, Agent or Firm:
WASHIDA, Kimihito (JP)
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