FIELD: machine engineering.
SUBSTANCE: device comprises a first valve having an inlet to which a load fluid, and an outlet fluidly connected to loading chamber control fluid parameters, and a second valve having an inlet fluidly connected with the loading cam control fluid parameters, and an outlet fluidly connected to the nozzle outlet. A sensor is configured to measure the fluid pressure at the inlet, and a controller operable to ensure the transition of the first valve to an open position and a second valve in the closed position when the fluid pressure at the inlet exceeds the first threshold.
EFFECT: improved accuracy and reliability of regulation.
13 cl, 8 dwg
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