The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 2017
Filed:
May. 28, 2015
Hyundai Motor Company, Seoul, KR;
Kiyoung Kwon, Yongin-si, KR;
Ingee Suh, Yongin-si, KR;
Kyoung Pyo Ha, Seoul, KR;
In Sang Ryu, Hwaseong-si, KR;
Back Sik Kim, Osan-si, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A control method using a continuous variable duration apparatus provided to adjust opening duration of an intake valve of an engine includes: determining a reduction amount of a compression ratio to prevent knocking, when knocking of an engine is expected, setting a desired effective compression ratio required for the reduction amount of the effective compression ratio, setting desired duration for the set desired effective compression ratio, and controlling duration of the intake valve on the basis of the set desired duration.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile