System and method for acquiring pressure data from a fuel accumulator of an internal combustion engine
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United States of America Patent
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Feb 27, 2018
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N/A
app pub date -
Feb 8, 2013
filing date -
Feb 8, 2013
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Abstract
A system and method for measuring fuel pressure decreases in a fuel accumulator caused by a fuel injector of an internal combustion engine is provided. The system includes the ability to stop a fuel flow to a fuel accumulator of the engine. Pressure signals are transmitted to a control system of the engine until the fuel pressure in the fuel accumulator drops by a predetermined amount, at which time fuel flow is re-enabled. The pressure signals are then analyzed to determine the amount or quantity of fuel delivered by each fuel injector. The system and method maintain engine and emissions performance by limiting the amount of fuel pressure decrease in the fuel accumulator.
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