Patent ID: 6742538
Filing Date: 2004-06-01
Classification: F16K,Y10T

Abstract:
A relief device for a high-pressure gas container, comprising:a main body having a generally uniform outer circumference and that defines a primary bore, the primary bore in fluid communication with an interior volume of the high-pressure gas container; the main body having a secondary bore, the secondary bore located within the outer circumference and in fluid communication with the primary bore; a spud assembly seated in the secondary bore, the spud assembly including a rupture disc that relieves to the atmosphere the contents of the container when the container reaches a certain pressure, the rupture disc located within the secondary bore and within the outer circumference, the spud assembly and rupture disc fixedly attached; a shear ring in communication with the rupture disc; and a plug in communication with the spud assembly, the plug, when engaged with the spud assembly, forcibly engaging the shear ring against the rupture disc; wherein, when the rupture disc expands, the shear ring ruptures the rupture disc and the contents of the container relieve to the atmosphere through the plug; and wherein the main body and spud assembly are welded.