Title:
EXHAUST GAS POST-TREATMENT PACKAGE
Document Type and Number:
WIPO Patent Application WO/2021/212742
Kind Code:
A1
Abstract:
An exhaust gas post-treatment package (100), comprising a first post-treatment carrier (11), a second post-treatment carrier (21), a third post-treatment carrier (31), and a mixing assembly (4). The mixing assembly (4) comprises a fourth housing (41), a mixing pipe (42) located in the fourth housing (41), a porous pipe (43) located in the mixing pipe (42), and a reflecting plate (45) located at a lower end of the mixing pipe (42) and spaced from the mixing pipe (42); the fourth housing (41) is provided with a first cavity (411), a second cavity (412), and a partitioning plate (413); the mixing pipe (42) comprises several swirl sheets (421) exposed in the first cavity (411) and several perforations (422) exposed in the second cavity (412). The mixing assembly (4) further comprises a stop plate (46) located in the second cavity (412) and located on a side surface of the reflecting plate (45), and the stop plate (46) is closer to the third post-treatment carrier (31) than the reflecting plate (45).
Inventors:
WANG CHANGLIN (CN)
ZHAO MENGDONG (CN)
YE WEI (CN)
ZHAO MENGDONG (CN)
YE WEI (CN)
Application Number:
PCT/CN2020/118241
Publication Date:
October 28, 2021
Filing Date:
September 28, 2020
Export Citation:
Assignee:
TENNECO SUZHOU EMISSION SYSTEM CO LTD (CN)
International Classes:
F01N13/00; B60K13/04; F01N3/20; F01N3/28; F01N13/18
Foreign References:
| CN111365107A | 2020-07-03 | |||
| CN110080861A | 2019-08-02 | |||
| CN110080862A | 2019-08-02 | |||
| CN110080868A | 2019-08-02 | |||
| CN209990526U | 2020-01-24 | |||
| CN110671173A | 2020-01-10 | |||
| CN110848005A | 2020-02-28 | |||
| CN110307072A | 2019-10-08 | |||
| US10287948B1 | 2019-05-14 |
Attorney, Agent or Firm:
SUZHOU WISPRO INTELLECTUAL PROPERTY AGENCY (CN)
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