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:
Jan. 06, 2015
Filed:
Dec. 08, 2010
Applicants:
Chang-hoon Lee, Busan, KR;
Eui-dong Roh, Busan, KR;
Ji-hoon Park, Busan, KR;
Ki-ryong Lee, Gyeonggi-do, KR;
Inventors:
Chang-Hoon Lee, Busan, KR;
Eui-Dong Roh, Busan, KR;
Ji-Hoon Park, Busan, KR;
Ki-Ryong Lee, Gyeonggi-do, KR;
Assignee:
Unick Corporation, Busan, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/06 (2006.01); F15B 13/04 (2006.01); F16K 31/02 (2006.01); F01L 13/00 (2006.01); F01L 1/344 (2006.01);
U.S. Cl.
CPC ...
F01L 13/00 (2013.01); F16K 31/0665 (2013.01); F01L 2001/3443 (2013.01);
Abstract
The present invention relates to an oil control valve for a variable valve lift system that obtains in a stable manner a constant hydraulic pressure in the hydraulic line connecting the oil control valve and the vale lift control actuator, and thereby reliably controls valve lift according to the number of revolutions and load of the engine.