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. 23, 2016
Filed:
Dec. 30, 2013
Applicant:
Hyundai Motor Company, Seoul, KR;
Inventors:
Soo Hyung Woo, Yongin-si, KR;
Jong Hyeok Choi, Hwaseong-si, KR;
Young Hong Kwak, Suwon-si, KR;
Byong Young Choi, Bucheon-si, KR;
Jin Kook Kong, Suwon-si, KR;
Gee Wook Shin, Ansan-si, KR;
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F01L 31/16 (2006.01); F01L 1/047 (2006.01); F01L 13/00 (2006.01);
U.S. Cl.
CPC ...
F01L 31/16 (2013.01); F01L 13/0036 (2013.01); F01L 2001/0473 (2013.01); F01L 2013/0052 (2013.01); F01L 2820/031 (2013.01);
Abstract
A multistage variable valve lift apparatus includes: a camshaft; a plurality of cams slidably provided on the camshaft and each including a cam base with a guide projection and a cam lobe; a solenoid unit that includes an operating rod with a guide slot into which the guide projection is selectively inserted; and a valve opening/closing portion that comes into selective contact any one of the plurality of cams.