Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CONTROL METHOD AND APPARATUS FOR ACTUATOR BOLTS IN VARIABLE INTAKE VALVE LIFT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2024/051378
Kind Code:
A1
Abstract:
A control method for actuator bolts in a variable intake valve lift apparatus, comprising: in response to a drive instruction, driving bolts to move, and determining the relative position of two bolts by acquiring feedback voltages; and when the feedback voltages corresponding to the two bolts meet a target condition, which indicates that the two bolts are suspected to extend at the same time, controlling the two bolts to return to starting positions. Also disclosed are a control apparatus for actuator bolts in a variable intake valve lift apparatus, an electronic device and a non-transitory computer-readable storage medium. Mechanical damage that may be caused by two bolts extending at the same time can be avoided, engine parts are protected, and the safety of the vehicle is ensured.

Inventors:
SU CAISEN (CN)
CAO YINBO (CN)
FANG QIANG (CN)
YAN BINGCHAO (CN)
XU JIANCHANG (CN)
WANG QIAN (CN)
LI LE (CN)
Application Number:
PCT/CN2023/109732
Publication Date:
March 14, 2024
Filing Date:
July 28, 2023
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
UNITED AUTOMOTIVE ELECT SYS CO (CN)
International Classes:
F01L13/00; F02D13/02
Foreign References:
CN116241350A2023-06-09
US20190010887A12019-01-10
CN113818944A2021-12-21
CN107533896A2018-01-02
CN107939466A2018-04-20
JP2016017451A2016-02-01
Attorney, Agent or Firm:
SHANGHAI SAVVY INTELLECTUAL PROPERTY AGENCY (CN)
Download PDF: