| 摘要 |
A control device (10, 1 10, 210, 310) for controlling the flow of a gas into and out of a pressure vessel which includes a body (12) which is configured to be mounted on a pressure vessel, an inlet passage (14) defined in the body (12) for allowing a gas to pass into the pressure vessel, an outlet passage (16) defined in the body (12) for allowing a gas to pass out of the pressure vessel, an inlet valve (18) mounted in the inlet passage (14) for regulating the flow of gas into the pressure vessel, an outlet valve (20) mounted in the outlet passage (16) for regulating the flow of gas out of the pressure vessel and a displacement means (22) for displacing the inlet valve (38) to an open condition to allow a gas from a gas supply to pass into the pressure vessel. |
