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. 02, 2011
Filed:
Jun. 24, 2008
Young Hong Kwak, Suwon, KR;
Kiyoung Kwon, Seoul, KR;
Ki Uk Shin, Hwaseong, KR;
Jin Kook Kong, Suwon, KR;
Young Hong Kwak, Suwon, KR;
Kiyoung Kwon, Seoul, KR;
Ki Uk Shin, Hwaseong, KR;
Jin Kook Kong, Suwon, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A variable valve lift apparatus according to an exemplary embodiment of the present invention includes a low lift cam, a high lift cam in parallel with the low lift cam, a low lift tappet body that selectively contacts the low lift cam, a high lift tappet body disposed within the low lift tappet body and constantly contacting the high lift cam, a guide portion that is connected with a valve and selectively connects the low lift tappet body and the high lift tappet body, and a lost motion spring that is disposed between the guide portion and the low lift tappet body and supplies restoring force to the low lift tappet body.