Fuel pressure control device of internal combustion engine

Internal-combustion engines – Charge forming device – Fuel injection system

Reexamination Certificate

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Details

C123S467000

Reexamination Certificate

active

07073486

ABSTRACT:
An engine ECU executes a program including the steps of, when it is necessary to calculate an integral term, employing an integral term for use when two pumps are operating for calculation of a duty when the number of operating pumps is 2 and storing the calculated integral term in a memory as the one for use in the case of two pumps operating, and employing an integral term for use when one pump is operating for calculation of a duty when the number of operating pumps is not 2 and storing the calculated integral term in the memory as the one for use in the case of one pump operating.

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