Patent ID: 11873916
Assignee: FUJIKIN INCORPORATED
Field: Control (Instruments)
Classification: CPC F  G  H  Y | IPC F  G  H

Claim 8:
9. A fluid supply method using the fluid supply system of claim 7, comprising:
a step of storing a gas from the fluid supply source in the tank, in a state where the upstream on-off valve is opened, and the valve device of the fluid control device is closed;
a step of closing the upstream on-off valve after the gas is stored; and
a step of supplying the gas stored in the tank by opening the valve device of the fluid control device after closing the upstream on-off valve,
wherein the step of supplying the gas stored in the tank includes a step of controlling an operation of the sub actuator based on the pressure measured by the pressure sensor and the reference pressure drop curve.