Title:
EXHAUST GAS AFTER-TREATMENT PACKAGE
Document Type and Number:
WIPO Patent Application WO/2021/212745
Kind Code:
A1
Abstract:
An exhaust gas after-treatment package (100), comprising an outer housing (1), a first after-treatment carrier assembly (51), a second after-treatment carrier assembly (52), and a cavity (53) located downstream of the second after-treatment carrier assembly (52). The second after-treatment carrier assembly (52) comprises a second housing (521) and a diesel particulate trap (522) enclosed in the second housing (521). The outer housing (1) is provided with an opening (11) for removing the second after-treatment carrier assembly (52), a flange portion (12) surrounding the periphery of the opening (11), and an end cover assembly (13) for matching the flange portion (12). The end cover assembly (13) is detachably mounted on the flange portion (12), so as to facilitate the removal of the second after-treatment carrier assembly (52). The flange portion (12) is provided with first through holes (121) communicated with the cavity (53). The end cover assembly (13) comprises an end plate (131) and a reflection cavity (130) located on one side of the end plate (131). The end plate (131) is provided with second through holes (1311) communicating the reflection cavity (130) and the first through holes (121).
Inventors:
LV CHUNHU (CN)
YU BAIZHAN (CN)
YU BAIZHAN (CN)
Application Number:
PCT/CN2020/118256
Publication Date:
October 28, 2021
Filing Date:
September 28, 2020
Export Citation:
Assignee:
TENNECO SUZHOU EMISSION SYSTEM CO LTD (CN)
International Classes:
F01N13/00; F01N3/28; F01N13/18
Foreign References:
| CN111365106A | 2020-07-03 | |||
| CN109973195A | 2019-07-05 | |||
| CN207761779U | 2018-08-24 | |||
| CN106121779A | 2016-11-16 | |||
| JP3765741B2 | 2006-04-12 | |||
| KR20130007837A | 2013-01-21 |
Attorney, Agent or Firm:
SUZHOU WISPRO INTELLECTUAL PROPERTY AGENCY (CN)
Download PDF: