Lost-motion variable valve actuation system with cam phaser
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United States of America Patent
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Jul 15, 2014
Grant Date -
Aug 2, 2012
app pub date -
Jan 27, 2012
filing date -
Jan 27, 2011
priority date (Note) -
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Abstract
Devices and related methods are disclosed that generally involve variable actuation of engine valves. In one embodiment, a valve train for a split-cycle internal combustion engine or an air hybrid split-cycle engine is provided that includes a cam phaser, a dwell cam, an adjustable mechanical element for performing a variable valve actuation function, and/or a valve seating control device. The devices and methods disclosed herein also have application in conventional internal combustion engines and can actuate inwardly-opening and/or outwardly-opening valves.
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