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:
Feb. 16, 2016
Filed:
Jun. 18, 2014
Applicant:
Hyundai Motor Company, Seoul, KR;
Inventors:
Hyoung Hyoun Kim, Gwangmyeong-si, KR;
Jong Man Jun, Hwaseong-si, KR;
Jong In Kang, Ulsan, KR;
Seung Il Park, Suwon-si, KR;
Assignee:
HYUNDAI MOTOR COMPANY, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F01M 7/00 (2006.01);
U.S. Cl.
CPC ...
F01M 7/00 (2013.01);
Abstract
A variable valve lift (VVL) system in an engine includes an oil control valve and a lock pin configured to be hydraulically actuated against an elastic force of a return spring under a control of the OCV. An orifice through which oil passes is formed to supply hydraulic pressure to the OCV and the lock pin. An oil pressure sensor measures the hydraulic pressure to be supplied to the OCV and the lock pin. A controller is configured to receive a signal from the oil pressure sensor and to control the OCV according to the received signal.