Fuel temperature estimation in a spark ignited direct...

Details Fuel temperature estimation in a spark ignited direct... Fuel temperature estimation in a spark ignited direct...

2011-01-18

2011-01-18

Solis, Erick (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S689000, C073S114450

Reexamination Certificate

active

07873461

ABSTRACT:
A fuel control system that includes a fuel injector control module that selectively applies a power source to a coil of a fuel injector. The fuel control system also includes a current determination module that selectively measures current flowing through the coil. The fuel control system also includes a fuel temperature estimation module that selectively calculates a resistance of the coil based on the measured current and a voltage value of the power source and that determines an estimated fuel temperature based on the resistance. The fuel injector control module controls operation of a fuel system based on the estimated fuel temperature.

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