| 摘要 |
A fuel control system as claimed in claim 1 wherein, the pressure raising valve includes: a pressure raising valve member exposed to fuel pressure within a reference chamber, an inlet to which fuel at supply pressure is supplied, wherein the pressure raising valve member is movable against a force due to pressure within the reference chamber by means of fuel at supply pressure, an outlet through which fuel at delivery pressure is supplied to the engine, and feedback means for permitting fuel at delivery pressure to flow to the reference chamber. There is also disclosed a pressure raising valve for use in such a system.
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