Systems and methods for purging air of a fuel injection system

Details Systems and methods for purging air of a fuel injection system Systems and methods for purging air of a fuel injection system

2011-03-08

2011-03-08

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel flow regulation between the pump and the charge-forming...

Reexamination Certificate

active

07900606

ABSTRACT:
A system for a vehicle includes an initialization module and a purge control module. The initialization module generates an initialization signal based on a crankshaft speed signal and/or a fuel rail pressure signal. The initialization module also generates the initialization signal based on an initial purge value and an assembly-line monitoring value. The purge control module generates a purge signal to purge air from a fuel injection system of an engine. The purge signal is generated when the crankshaft speed signal indicates that a crankshaft of the engine is stationary and/or the fuel rail pressure signal indicates that a fuel rail pressure is less than a predetermined value. The purge signal is also generated based on the initialization signal.

REFERENCES:
patent: 4836157 (1989-06-01), Miller
patent: 5095880 (1992-03-01), Ricks

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