Continuous variable valve duration apparatus and engine provided with the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 5, 2018
Issued Date -
Jun 15, 2017
app pub date -
Sep 26, 2016
filing date -
Dec 14, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A continuous variable valve duration apparatus may include: a camshaft; first and second cam portions on which a cam is formed respectively, the camshaft inserted to the first and second cam portions of which relative phase angles with respect to the camshaft are variable; first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively; a cam lifter in which the first and second inner brackets are rotatably inserted, and a cam lifter guide slantly formed on the cam lifter; a cam cap rotatably supporting the first and the second cam portions, and the cam lifter slidably mounted to the cam cap; a control portion including a screw shaft parallel to the camshaft; and an adapter engaged with the screw shaft, on which an adapter guide slidably engaged with the cam lifter guide and moving a relative position of the cam lifter.
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