FUEL MANAGEMENT SYSTEM
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United States of America Patent
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N/A
Issued Date -
Apr 17, 2014
app pub date -
Oct 11, 2012
filing date -
Oct 11, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fuel management system for an engine having a common fuel rail. The fuel management system includes means to regulate air supply and fuel supply. A control unit is provided to determine a maximum allowable fuel mass flow supplied from the fuel rail, based on the air supply and a predetermined air-fuel ratio for the operating parameters of the engine. The control unit calculates an allowable upper limit of rail pressure based on the determined maximum allowable fuel mass flow. The control unit regulates the fuel supply based on the determined allowable upper limit of the rail pressure.
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