Method and apparatus for characterizing fuel injector...

Details Method and apparatus for characterizing fuel injector... Method and apparatus for characterizing fuel injector...

2011-05-17

2011-05-17

Cronin, Stephen K (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S478000

Reexamination Certificate

active

07945374

ABSTRACT:
A method for equalizing fuel injector flows among a plurality of fuel injectors in an internal combustion engine including the steps of a) characterizing the electrical and/or mechanical performance of each fuel injector; b) imprinting characterization data on each fuel injector; c) reading the imprinted data into a control computer, preferably at the time of engine assembly or sub-assembly; and d) using the characterization data in an algorithm to adjust at least one electrical parameter such as hold current, peak current, and boost time for each fuel injector in an assembled engine during each fuel injection cycle.

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