Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1997-10-27
1999-11-16
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Fuel injection system
731173, F02P 514
Patent
active
059838663
ABSTRACT:
An apparatus for determining if a combustion condition in a combustion chamber of an internal combustion engine occurred includes a combustion sensor for sensing the occurrence of the combustion condition in the combustion chamber and producing a combustion signal responsive to the combustion condition, a temperature sensor for sensing a temperature condition in an exhaust passage from the combustion chamber and producing a temperature signal having a characteristic indicative of the sensed temperature condition, and a controller connected for receiving the combustion signal and the temperature signal and operable in the absence of receipt of an expected combustion signal to determine if the combustion condition occurred by comparing the temperature signal characteristic with a predetermined characteristic value indicative of the occurrence of the combustion condition in the combustion chamber.
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Ginzel Geoffrey D.
Mattson George W.
Caterpillar Inc.
Vo Hieu T.
Wolfe Willis R.
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