Exhaust and intake rocker arm assemblies for modifying valve lift and timing during positive power
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Mar 12, 2002
Grant Date -
N/A
app pub date -
Apr 13, 2000
filing date -
Apr 14, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention is directed to an apparatus for operating at least one intake valve and at least one exhaust valve in an engine cylinder. The apparatus includes an exhaust valve operating assembly for operating the at least one exhaust valve of the engine cylinder, wherein the exhaust valve operating assembly is capable of producing an exhaust gas recirculation event. The apparatus also includes an intake valve operating assembly for operating the at least one intake valve of the engine cylinder. The apparatus further includes an exhaust modifying assembly for modifying the operation of the exhaust valve operating assembly during a predetermined engine operating condition and an intake modifying assembly for modifying the operation of the intake valve operating assembly during a predetermined engine operating condition.
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