Title:
EXHAUST GAS PURIFICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/139023
Kind Code:
A1
Abstract:
An exhaust gas purification device (100) is provided with a casing (10), a selective catalytic reduction (SCR) catalyst (first SCR catalyst (25), second SCR catalyst (26)), a first reverse flow baffle plate (31), and a second reverse flow baffle plate (32). The casing (10) has formed therein at least part of a catalyst path (52) and at least part of a bypass path (53). The SCR catalyst is disposed in the catalyst path (52) and selectively reduces NOx included in exhaust gas flowing through the catalyst path (52). The first reverse flow baffle plate (31) prevents reverse flow of the exhaust gas from the second exhaust path (54) into the catalyst path (52).
Inventors:
KOBAYASHI RYOTA (JP)
HAMAOKA SHUNJI (JP)
INOUE TSUYOSHI (JP)
YOKOYAMA TETSUYA (JP)
FUKUI YOSHINORI (JP)
AKIMOTO SEITA (JP)
ONISHI KENYA (JP)
HIRAI KAZUKI (JP)
HAMAOKA SHUNJI (JP)
INOUE TSUYOSHI (JP)
YOKOYAMA TETSUYA (JP)
FUKUI YOSHINORI (JP)
AKIMOTO SEITA (JP)
ONISHI KENYA (JP)
HIRAI KAZUKI (JP)
Application Number:
PCT/JP2017/041938
Publication Date:
August 02, 2018
Filing Date:
November 22, 2017
Export Citation:
Assignee:
YANMAR CO LTD (JP)
International Classes:
F01N3/24; B01D53/94; F01N3/08; F01N3/20; F01N3/28; F01N3/34; F01N13/08
Domestic Patent References:
| WO2015056452A1 | 2015-04-23 |
Foreign References:
| JP2004270738A | 2004-09-30 | |||
| JPH05272334A | 1993-10-19 | |||
| JPH08135883A | 1996-05-31 | |||
| JP2015086726A | 2015-05-07 | |||
| JP2015086726A | 2015-05-07 |
Other References:
See also references of EP 3575566A4
Attorney, Agent or Firm:
KATSURAGAWA, Naoki (JP)
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