| 摘要 |
In and for an installation supplied with liquid through a piping system, such as a gas-turbine plant supplied with fuel, a device for controlling the liquid supply as a function of an installation operating condition, such as turbine rotor speed, said device being of the kind in which fuel flow through a metering passage is regulated by a controller responsive to change in said condition, wherein in accordance with the invention separate adjusting means are provided for varying the cross-sectional area of the metering passage and for varying the liquid pressure drop therethrough, and separate controllers, one of the integrating action type and one of the proportional action type, are provided for the respective varying means.
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