Variable valve duration/variable valve lift system and engine provided with the same
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United States of America Patent
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May 8, 2018
Issued Date -
N/A
app pub date -
Sep 16, 2016
filing date -
Dec 11, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure provides a variable valve duration/variable valve lift system including a camshaft in a first cam with a variable relative phase angle with respect to the camshaft, an inner bracket transmitting rotation of the camshaft, a slider housing, a first rocker arm of which a first end contacts the first cam, a rocker shaft connected to the first rocker arm on which hydraulic lines are formed, solenoid valves configured to selectively supply hydraulic pressure through the hydraulic lines, a position controller configured to selectively change a position of the slider housing according to supplied hydraulic pressure from the solenoid valves, a first bridge connected to a second end of the first rocker arm and to which a first valve is connected, and a first valve lift device disposed within the first bridge for changing valve lift of the first valve according to supplied hydraulic pressure from hydraulic lines.
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