Variable valve lift actuator of engine
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United States of America Patent
Stats
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Oct 22, 2019
Grant Date -
Feb 14, 2019
app pub date -
Sep 22, 2017
filing date -
Aug 10, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a variable valve lift actuator of an engine, which includes: a first body rotating; a second body; a driving module; and a return spring, wherein an entire portion or a partial front end of the driving module is inserted into a rear end of the second body, the lift degree of the valve is variably controlled in two stages of a high-speed mode and a low-speed mode based on an operating condition of the engine, and when only the high-speed cam is installed on the camshaft, the driving pin is operated in a low-speed and low-load state of the engine to separate the first body from the second body so as to deactivate a cylinder.
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