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:
Jan. 31, 2017
Filed:
Jul. 31, 2014
Hyundai Motor Company, Seoul, KR;
Young Hong Kwak, Suwon-si, KR;
Won Gyu Kim, Seoul, KR;
Gyu Han Hwang, Yongin-si, KR;
Jin Hwa Kim, Ulsan, KR;
Gee Wook Shin, Gunpo-si, KR;
Myungsik Choi, Seoul, KR;
Jin Kook Kong, Suwon-si, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A variable valve lift apparatus may include an outer body, an inner body inserted in the outer body to move up and down in the outer body, a valve cylinder inserted in the outer body on a lower side of the inner body to have one side coupled to the inner body and the other side coupled to the valve, a latching member provided either to the outer body or to the inner body to be operated by a hydraulic pressure for coupling to the outer body and the inner body selectively, a hydraulic chamber formed between the outer body and the inner body, a latching flow passage formed in the outer body to supply the hydraulic pressure to the latching member, and an oil removal valve provided to drain a fluid.