System and method for monitoring engine oil pressure
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United States of America Patent
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Apr 12, 2016
Grant Date -
Dec 13, 2012
app pub date -
Jun 6, 2012
filing date -
Jun 9, 2011
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Abstract
A system and method for determining the oil pressure of an internal combustion engine is disclosed herein. The system and/or method may estimate the oil pressure using the response of two variable camshaft timing actuators having respective phase angle change control signals. Specifically, the signals may be used to determine whether the oil pressure is below a low oil pressure threshold value. The rate of response of the actuators may also be used to determine a current engine oil pressure.
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