Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Patent
1997-09-16
1999-11-16
Wolfe, Willis R.
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
701115, 731173, 12340641, F02P 515
Patent
active
059873736
ABSTRACT:
A method for detecting noise on a conductive path utilized for conducting combustion signals produced by a combustion sensor of an internal combustion engine is disclosed. Essentially, the combustion sensor, when operable, produces combustion signals responsive to the occurrence of combustion conditions in a combustion chamber of the engine. According to the present invention, the conductive path is monitored for noise signals at a time when the combustion signal is not expected to occur, such that, logically, any noise signal present will be discovered. A controller is connected to a conductive path for conducting combustion signals produced by a combustion sensor and is operable to monitor the conductive path for noise signals during a time when it is not monitoring for an expected combustion signal.
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Caterpillar Inc.
Vo Hieu T.
Wolfe Willis R.
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