Title:
EXHAUST PURIFICATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/179610
Kind Code:
A1
Abstract:
A cylindrical body 13 formed by axially stacking a plurality of hollow circular truncated cones 12 together is disposed within the portion of an exhaust pipe 1, which is located between an injection nozzle 4 and an SCR catalyst 9, the hollow circular truncated cones 12 each having one bottom which has a narrow opening 10 and each also having the other bottom which has a wide opening 11, the hollow circular truncated cones 12 being stacked together such that the narrow opening 10 side faces the upstream side. A pair of airtight doors 14, 15 is provided to the exhaust pipe 1 so that the hollow circular truncated cones 12, 12 located at the opposite ends of the cylindrical body 13 are each movable between the inside and outside of the exhaust pipe 1.
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Inventors:
SHIBATA KEIKO (JP)
YAMAMOTO KAZUNARI (JP)
YAMAMOTO KAZUNARI (JP)
Application Number:
PCT/JP2017/014941
Publication Date:
October 19, 2017
Filing Date:
April 12, 2017
Export Citation:
Assignee:
ISUZU MOTORS LTD (JP)
International Classes:
F01N3/08; B01D53/94; F01N3/24; F01N13/08; F16L9/18
Foreign References:
| JP2012127311A | 2012-07-05 | |||
| JP2012112262A | 2012-06-14 | |||
| JP2014114764A | 2014-06-26 | |||
| JPH0842335A | 1996-02-13 | |||
| JPS6069315U | 1985-05-16 | |||
| JPS55152996A | 1980-11-28 |
Attorney, Agent or Firm:
HIBIYA Yukihiko et al. (JP)
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