Method and apparatus for controlling an internal combustion engi

Details Method and apparatus for controlling an internal combustion engi Method and apparatus for controlling an internal combustion engi

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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