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.

Date of Patent:
Nov. 14, 2017

Filed:

Jun. 12, 2015
Applicant:

Hyundai Motor Company, Seoul, KR;

Inventors:

Myungsik Choi, Seoul, KR;

Gee Wook Shin, Hwaseong-si, KR;

Won Gyu Kim, Seoul, KR;

Gyu Han Hwang, Yongin-si, KR;

Young Hong Kwak, Suwon-si, KR;

Yoonsik Woo, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/18 (2006.01); F01L 13/00 (2006.01);
U.S. Cl.
CPC ...
F01L 13/0021 (2013.01); F01L 1/18 (2013.01); F01L 2001/186 (2013.01);
Abstract

A variable valve lift apparatus to vary lift of a valve disposed at an engine may include an outer body selectively making a lever motion according to rotation of a cam, being adapted such that the valve is connected with one end thereof and a pivot axis of the lever motion is disposed at another end thereof, and forming an inside space, an inner body disposed in the inside space of the outer body and adapted such that one end thereof is rotatably connected with the one end of the outer body, a connecting shaft disposed so as to penetrate the one end of the outer body and the one end of the inner body and connect the outer body with the inner body, and a lost motion spring provided so as to return the inner body which is relatively rotated with the outer body around the connecting shaft.


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