Continuous variable valve lift apparatus and engine provided with the same
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Dec 1, 2015
filing date -
Sep 21, 2015
priority date (Note) -
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Abstract
A continuously variable valve lift apparatus may include a camshaft, a cam portion on which two rotation portions are formed, on which a cam is formed between the two rotation portions and into which the camshaft is inserted, two slider housings into which each rotation portion is rotatably inserted therein, of which a position is moved for changing a relative position of the cam portion with respect to the camshaft and onto which a guide slot is formed, a control portion configured to selectively move the position of each of the two slider housings, a guide shaft parallel to the camshaft and inserted into the guide slot for guiding movement of the slider housing, an output portion rotatable around a pivot shaft and onto which a valve shoe is formed, and a valve device configured to be driven by the valve shoe.
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