Title:
VALVE MECHANISM OF ENGINE WITH LOW-PRESSURE EGR SYSTEM AND CONTROL STRATEGY
Document Type and Number:
WIPO Patent Application WO/2020/108566
Kind Code:
A1
Abstract:
Disclosed is a valve mechanism (100) of an engine with a low-pressure EGR system (200), comprising a swinging arm (110), a cam (120), and a valve (130). The peripheral edge of the cam (120) abuts against the swinging arm (110) so as to push the swinging arm (110) to move downwards during rotation of the cam (120); the valve (130) is arranged on the swinging arm (110) so as to move along with the swinging arm (110); and the swinging arm (110) is also provided with a driving piece, and the driving piece is used for driving the valve (130) to move relative to the swinging arm (110). Further provided is a control strategy. The valve mechanism can improve the combustion stability of the engine during cold-engine starting.
Inventors:
CUI YABIN (CN)
CHANG JINCAI (CN)
LI JINGYUAN (CN)
ZHANG SHUAI (CN)
ZHANG WEIGUO (CN)
CHANG JINCAI (CN)
LI JINGYUAN (CN)
ZHANG SHUAI (CN)
ZHANG WEIGUO (CN)
Application Number:
PCT/CN2019/121624
Publication Date:
June 04, 2020
Filing Date:
November 28, 2019
Export Citation:
Assignee:
GREAT WALL MOTOR CO LTD (CN)
International Classes:
F01L1/18; F01L1/14; F01M5/02
Domestic Patent References:
| WO2013118633A1 | 2013-08-15 |
Foreign References:
| CN102817666A | 2012-12-12 | |||
| KR20100029889A | 2010-03-18 | |||
| CN201241740Y | 2009-05-20 | |||
| CN1959072A | 2007-05-09 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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