Intra-cylinder auxiliary actuation of engine valves through selective discontinuation of main valve events
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United States of America Patent
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May 24, 2016
Grant Date -
Aug 28, 2014
app pub date -
Feb 26, 2014
filing date -
Feb 26, 2013
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Abstract
A third motion transfer mechanism transfers valve actuation motion from a second motion source to a first engine valve. A motion decoupler is configured to selectively discontinue the transfer of motion from a first motion transfer mechanism to the first engine valve. Furthermore, a reset mechanism is configured to selectively discontinue, based on operation of a second motion transfer mechanism, the transfer of motion from the third motion transfer mechanism to the first engine valve. The third motion transfer mechanism may comprise a master piston and a slave piston in fluid communication with each other via a hydraulic circuit, the master piston being configured to receive motion from the second motion source and the slave piston being configured to transfer motion to the first engine valve.
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