<p>A sensor that is designed for determining ambient pressure for purposes of derating an internal combustion engine at high altitudes, is used to determine the condition of the air filter by taking pressure measurements in the intake manifold before and after the engine is started, with the difference then being an indication of the condition of the air filter.</p>
申请公布号
WO2009132182(A1)
申请公布日期
2009.10.29
申请号
WO2009US41529
申请日期
2009.04.23
申请人
CARRIER CORPORATION;GUZMAN, PETER, P.;REASON, JOHN, R.;AWWAD, NADER, S.;STEELE, JOHN, T.
发明人
GUZMAN, PETER, P.;REASON, JOHN, R.;AWWAD, NADER, S.;STEELE, JOHN, T.