Valve gear for engine
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United States of America Patent
Stats
-
Jan 1, 2019
Grant Date -
Oct 19, 2017
app pub date -
Oct 2, 2015
filing date -
Oct 3, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve gear for an engine includes camshaft supports, a camshaft, a rocker housing separate from the cam shaft supports, a rocker shaft, a first rocker arm, and a second rocker arm selectively connected to the first rocker arm by switch pins. The valve gear includes a second switch pin and a hydraulic piston that presses the switch pins, and first and second hydraulic supplies that apply an oil pressure to the pistons. The second switch pin is provided in a second rocker arm, and the hydraulic piston is provided in the rocker housing. The first hydraulic supply includes a first oil passage in the second rocker arm, the rocker shaft, and the rocker housing. The second hydraulic supply includes a second oil hole in the rocker housing.
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