Fuel injection system with accumulator fill valve assembly

Details Fuel injection system with accumulator fill valve assembly Fuel injection system with accumulator fill valve assembly

2003-11-14

2008-11-18

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S446000

Reexamination Certificate

active

07451743

ABSTRACT:
A fuel injection system (10) having an accumulator (24) includes an accumulator fill valve assembly (20) that regulates pressure within the accumulator (24) for operation of injection events other than the main injection. A restriction (128) in an inlet conduit and a stepped surface in a spool valve (112) provide a pressure amplifier across the accumulator valve.

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