Patent ID: 6173735
Filing Date: 2001-01-16
Classification: G05D,Y10T

Abstract:
A regulator for use in regulating a flow of a gas stream, the regulator comprising:an inlet port;an outlet port;an inlet chamber in fluid communication with the inlet port and a first reduction chamber;an outlet chamber in fluid communication with the outlet sort and a second reduction chamber; anda central transfer chamber in fluid communication with the first reduction chamber and the second reduction chamber;the inlet chamber circumscribing the central transfer chamber;the outlet chamber circumscribing the central transfer chamber;a first throttle plate disposed between the inlet chamber and the first reduction chamber, and between the first reduction chamber and the central transfer chamber;a second throttle plate disposed between the outlet chamber and the second reduction chamber, and between the second reduction chamber and the central transfer chamber; andwherein the first throttle plate comprises:a plurality of mounting apertures;a front surface facing the inlet chamber and the central transfer chamber, and an opposing rear surface facing the first reduction chamber;a first arrangement of flow apertures for placing the inlet chamber in fluid communication with the first reduction chamber; anda second arrangement of flow apertures for placing the first reduction chamber in fluid communication with the central transfer chamber;wherein the second throttle plate comprises:a plurality of mounting apertures;a front surface facing the outlet chamber and the central transfer chamber, and an opposing rear surface facing the second reduction chamber;a first arrangement of flow apertures for placing the central transfer chamber in fluid communication with the second reduction chamber; anda second arrangement of flow apertures for placing the second reduction chamber in fluid communication with the outlet chamber.