Internal combustion engine and hydraulic controller for internal combustion engine
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Oct 1, 2014
filing date -
Mar 6, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
This internal combustion engine includes a piston, an oil jet that operates at a predetermined operating pressure to supply oil to the piston, and a hydraulic controller provided upstream of an oil passage including the oil jet. The hydraulic controller includes a constantly opened first passage through which the oil having a pressure lower than the predetermined operating pressure is supplied to the oil jet, a second passage provided alongside of the first passage and being openable and closable, through which the oil having a pressure higher than the predetermined operating pressure is supplied to the oil jet in combination with the first passage in a state where the same is opened, and an opening-closing control portion that controls the second passage to be in an open state when actuating the oil jet, and controls the second passage to be in a closed state when stopping actuating the oil jet.
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