Patent ID: 6209568
Filing Date: 2001-04-03
Classification: B01J,F16K,G05D,Y10T

Abstract:
A system for supplying a gas to a container, comprising:a source of gas under pressure;a container; anda pressure regulating device includingan inlet in fluid communication with the a source of the gas under pressure;an outlet in fluid communication with the container;a duct connecting the outlet to the inlet;an orifice for discharging fluid from the device and permitting fluid to enter the device;a first passage fluidly connecting the duct with the orifice;a second passage fluidly connecting the duct with the orifice;a first valve limiting the pressure at the outlet to a predetermined maximum value Ps, the first valve being a delivery valve placed in the first passage;a second valve maintaining the pressure at the outlet above a predetermined minimum value Pi, the second valve being an intake valve placed in the second passage.