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:
Jun. 25, 2013
Filed:
Aug. 22, 2011
Jei Choon Yang, Yongin-si, KR;
Byong Young Choi, Incheon, KR;
Jin Kook Kong, Suwon-si, KR;
Soo Hyung Woo, Yongin-si, KR;
Jin Soon Kim, Hwaseong-si, KR;
Jei Choon Yang, Yongin-si, KR;
Byong Young Choi, Incheon, KR;
Jin Kook Kong, Suwon-si, KR;
Soo Hyung Woo, Yongin-si, KR;
Jin Soon Kim, Hwaseong-si, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
Power consumption for maintaining a target valve timing and noise in operation is reduced by a continuously variable valve timing apparatus including a camshaft holder fixed to a camshaft, a cam sprocket, a leadscrew screw-coupled with the camshaft holder and the cam sprocket and is movable so as to rotate the camshaft holder and the cam sprocket in opposite directions, and an operating unit operated by a motor and moves the leadscrew.