Variable valve lift apparatus
AssigneeHyundai Motor Company
InventorYun Sung Hwang
Life of this patent
Estimating the term…
Abstract
A variable valve lift apparatus according to an exemplary embodiment of the present invention includes an outer body connected with a valve for opening and closing the valve, an inner body that is reciprocally disposed within the outer body and contacts a first input cam configured to an input shaft, a lost motion spring disposed between the outer body and the inner body, a connecting portion selectively connecting the outer body and the inner body, a hydraulic pressure supplying portion supplying hydraulic pressure to the connecting portion, and a lubrication circuit supplying lubricant to a contacting portion of the first input cam and the inner body.
Claims13
A variable valve lift apparatus comprising:
- an outer body connected with a valve for opening and closing the valve;
- an inner body that is reciprocally disposed within the outer body and contacts a first input cam configured to an input shaft;
- a lost motion spring disposed between the outer body and the inner body;
- a connecting portion selectively connecting the outer body and the inner body;
- a hydraulic pressure supplying portion supplying hydraulic pressure to the connecting portion;
- and
- a lubrication circuit supplying lubricant to a contacting portion of the first input cam and the inner body.
Dependencies are inferred from the claim text.