Valve control apparatus for internal combustion engine
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United States of America Patent
Stats
-
Feb 16, 2016
Grant Date -
Mar 13, 2014
app pub date -
Sep 9, 2013
filing date -
Sep 13, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve control apparatus includes first and second engine valves; a first drive cam configured to rotate integrally with the drive shaft; a second drive cam provided on the drive shaft and configured to rotate integrally with the drive shaft; a swing cam configured to swing; a transmission mechanism configured to convert a rotation of the first drive cam into a swinging force and to transmit the swinging force to the swing cam; a first swing arm configured to open the first engine valve by a swing of the swing cam; a second swing arm configured to open the second engine valve by a rotation of the second drive cam; a control mechanism configured to vary a swing amount of the swing cam by varying an attitude of the transmission mechanism; and a connection changeover mechanism configured to connect and disconnect the first swing arm with/from the second swing arm.
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