Title:
EXHAUST PURIFICATION UNIT
Document Type and Number:
WIPO Patent Application WO/2016/158993
Kind Code:
A1
Abstract:
An exhaust purification unit is equipped with: a connecting pipe 24 that transmits exhaust gas to a selective reduction catalyst (SCR) 41; a urea water injection valve 30 that is arranged facing the exhaust upstream end of the connecting pipe 24, and that injects urea water into the connecting pipe 24; a mixer chamber 23 that forms a flow path in which exhaust gas flows in a looping manner from the exhaust downstream end of a front casing 20 to the exhaust upstream end of the connecting pipe 24; and a flow adjustment member 50, which is a truncated-cone shaped member provided in the mixer chamber 23 and extending with a gradually increasing diameter from the vicinity of the injection opening of the urea water injection valve 30 toward the connecting pipe 24, and in which multiple small holes 50C are formed, with each of the small holes 50C being provided with a claw 50D that guides the exhaust gas toward the exhaust downstream side.
Inventors:
OOHARA ISAO (JP)
OSADA KATSUSHI (JP)
OSADA KATSUSHI (JP)
Application Number:
PCT/JP2016/060217
Publication Date:
October 06, 2016
Filing Date:
March 29, 2016
Export Citation:
Assignee:
ISUZU MOTORS LTD (JP)
International Classes:
F01N3/24; B01D53/94; F01N3/08
Foreign References:
| JP2013136991A | 2013-07-11 | |||
| JP2009114930A | 2009-05-28 | |||
| JPS62228615A | 1987-10-07 | |||
| JP2013133775A | 2013-07-08 | |||
| EP2465602A2 | 2012-06-20 |
Other References:
See also references of EP 3279440A4
Attorney, Agent or Firm:
HIBIYA Yukihiko et al. (JP)
Hibiya Masahiko (JP)
Hibiya Masahiko (JP)
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