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:
Mar. 15, 2011
Filed:
Nov. 20, 2008
Eun Ho Lee, Hwaseong, KR;
Young Hong Kwak, Suwon, KR;
Kiyoung Kwon, Seoul, KR;
Jin Kook Kong, Suwon, KR;
Soo Hyung Woo, Yongin, KR;
Kyoung Joon Chang, Seongnam, KR;
Eun Ho Lee, Hwaseong, KR;
Young Hong Kwak, Suwon, KR;
Kiyoung Kwon, Seoul, KR;
Jin Kook Kong, Suwon, KR;
Soo Hyung Woo, Yongin, KR;
Kyoung Joon Chang, Seongnam, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A variable valve lift apparatus may include a camshaft having an input cam, a rocker arm shaft disposed in parallel with the camshaft with a distance therebetween, a shaft carrier with a camshaft and a rocker arm shaft, a rocker arm that is mounted on the rocker arm shaft with a first roller contacting the input cam, a first link connected to the rocker arm, an amplification lever with a middle portion thereof connected to the first link and the shaft carrier, a second link connected to the amplification lever, an output cam mounted on the camshaft, one side of the output cam connected to the second link, and a profile portion formed at an exterior circumference thereof, a variable driveshaft rotating the shaft carrier by a predetermined angle, and a valve moved by the profile portion with rotation of the output cam.