Title:
CONTINUOUSLY VARIABLE VALVE LIFT CONTROL DEVICE AND ENGINE
Document Type and Number:
WIPO Patent Application WO/2022/213431
Kind Code:
A1
Abstract:
A continuously variable valve lift control device, comprising a valve assembly (101), an adjusting cam (102), a rocker arm (103) and a driving cam (104), wherein the rocker arm (103) can swing around a first end portion (105) of the rocker arm located at the adjusting cam (102); a second end portion (106) of the rocker arm is connected to the valve assembly (101); and the driving cam (104) acts on the rocker arm (103) and drives the second end portion (106) of the rocker arm (103) to swing around the first end portion (105) of the rocker arm, so as to drive the valve assembly (101) to move up and down. Further disclosed is an engine. In practical applications, the valve lift can be rapidly, stably and continuously switched, and the number of parts and the assembly difficulty can be reduced.
Inventors:
LI LEIFU (CN)
Application Number:
PCT/CN2021/090215
Publication Date:
October 13, 2022
Filing Date:
April 27, 2021
Export Citation:
Assignee:
LI LEIFU (CN)
International Classes:
F01L13/00; F01L1/18; F02D13/02
Foreign References:
| CN101429882A | 2009-05-13 | |||
| CN110295967A | 2019-10-01 | |||
| CN206903707U | 2018-01-19 | |||
| US20190024542A1 | 2019-01-24 | |||
| CN202883037U | 2013-04-17 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
Download PDF:
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