Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1990-09-12
1991-07-09
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Fuel injection system
731182, 364510, F02D 4118, G01M 1500
Patent
active
050295691
ABSTRACT:
A mass airflow based control system is provided for an internal combustion engine including a throttle body and an air bypass valve. The system comprises a processor for determining a first value equal to predicted air charge inducted into the engine through the throttle valve, and includes memory for storing an initial value of a ratio of predicted current air charge inducted into the engine to predicted peak air charge capable of being inducted into the engine. The processor determines a second value equal to predicted air charge inducted into the engine through the air bypass valve based on the initial value, and determines a third value equal to predicted peak air charge capable of being inducted into the engine. The processor further determines an actual value of the ratio of predicted current air charge inducted into the engine to predicted peak air charge capable of being inducted into the engine based on the first, second and third values.
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Cullen Michael J.
Greenberg Jeffry A.
Vann Benny
Ford Motor Company
Lippa Allan J.
May Roger L.
Wolfe Willis R.
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