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:
Aug. 26, 2014
Filed:
Jul. 17, 2012
Back Sik Kim, Osan-si, KR;
Sang Hee Lee, Hwaseong-si, KR;
Kwangsoon Choi, Ansan-si, KR;
Joong Soo Kim, Ansan-si, KR;
Dae Sung Kim, Hwaseong-si, KR;
Hyuk Im, Suwon-si, KR;
Kyoung Pyo Ha, Suwon, KR;
Back Sik Kim, Osan-si, KR;
Sang Hee Lee, Hwaseong-si, KR;
Kwangsoon Choi, Ansan-si, KR;
Joong Soo Kim, Ansan-si, KR;
Dae Sung Kim, Hwaseong-si, KR;
Hyuk Im, Suwon-si, KR;
Kyoung Pyo Ha, Suwon, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A continuous variable valve duration apparatus may vary an opening duration of a valve. The continuous variable valve duration apparatus may include a camshaft in which a camshaft slot is formed, a cam portion of which a cam and a cam slot are formed thereto and of which a rotation center is identical to a rotation center of the camshaft and the cam portion of which a phase angle to the cam shaft is variable, and a duration control portion which varies the phase angle between the camshaft slot and the cam slot.