Pump control system

Details Pump control system Pump control system

2007-10-30

2007-10-30

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

With fuel pump

C123S486000

Reexamination Certificate

active

11192037

ABSTRACT:
A pump for a fuel system is disclosed. The pump has a housing defining at least one pumping chamber, and a plunger. The plunger is movable to draw a fluid into and displace the fluid from the at least one pumping chamber. The pump also has a metering valve and a controller. The metering valve has a valve element movable to selectively meter fluid drawn into the at least one pumping chamber. The controller is configured to receive an indication of a desired discharge characteristic and reference a first map to determine an inlet opening area corresponding to the desired discharge characteristic. The controller is also configured to reference a second map to determine a position of the metering valve corresponding to the determined inlet opening area, and to send a control signal to the metering valve indicative of the determined position.

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