Title:
EXHAUST VALVE
Document Type and Number:
WIPO Patent Application WO/2021/120757
Kind Code:
A1
Abstract:
An exhaust valve (100), comprising a valve seat (1), a support (2) fixed to the valve seat (1), a valve cover (3) that can be opened or closed relative to the valve seat (1), an elastic piece (4) fixed to the support (2) and used for pressing against the valve cover (3), and a pressing piece (5) used for abutting the elastic piece (4) when the elastic piece (4) is deformed, wherein the valve seat (1) comprises a mounting part (11) and an opening (12), the valve cover (3) is matched with the opening (12), the valve cover (3) comprises a shaft (31), the shaft (31) is mounted between the mounting part (11) and the support (2), and when the valve cover (3) is opened or closed relative to the opening (12), the elastic piece (4) is slidable relative to the valve cover (3).
Inventors:
LIU JIAN (CN)
XIE FANG (CN)
CAO KAN (CN)
XIE FANG (CN)
CAO KAN (CN)
Application Number:
PCT/CN2020/117099
Publication Date:
June 24, 2021
Filing Date:
September 23, 2020
Export Citation:
Assignee:
TENNECO SU ZHOU EMISSION SYSTEM CO LTD (CN)
International Classes:
F16K15/03; F01N3/00; F02D9/18; F16K27/02
Foreign References:
| CN111022711A | 2020-04-17 | |||
| CN109083718A | 2018-12-25 | |||
| CN102434290A | 2012-05-02 | |||
| CN208417650U | 2019-01-22 | |||
| US9091359B1 | 2015-07-28 |
Attorney, Agent or Firm:
SUZHOU WISPRO INTELLECTUAL PROPERTY AGENCY (CN)
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