Fluid handling – With casing – support – protector or static constructional... – Guards and shields
Patent
1980-11-24
1982-07-27
Chambers, A. Michael
Fluid handling
With casing, support, protector or static constructional...
Guards and shields
137557, 137883, 137613, F16K 100, F16K 3700
Patent
active
043412378
ABSTRACT:
An apparatus and method is described for reducing the amount of gas consumed during welding operations. A source of relatively high pressure inert gas is supplied to an individual welding station. At the station is a pressure regulator for substantially reducing the gas pressure and having an inlet in communication with the higher pressure gas supply and an outlet in communication with the inlet of a surge tank. The outlet of the surge tank is in communication with the welding apparatus. The volume of the surge tank is sufficient, and the apparatus functions, to supply a flow of gas, to the welding apparatus at the reduced pressure during transient when the welding apparatus is turned on, greater than that supplied during steady state conditions.
In one embodiment, the apparatus of the invention includes a pressure gauge, pressure regulator, and surge tank within a sealed housing with the face of the pressure gauge positioned at one side thereof and visible externally of the housing. Access to the regulator for adjustment thereof is limited by means of a locked cover which, when opened, allows adjustment of the regulator through an opening with a suitable tool.
REFERENCES:
patent: 322002 (1885-07-01), Phillips et al.
patent: 1574522 (1926-02-01), Stone
patent: 2694407 (1954-11-01), Jobson
patent: 3321173 (1967-05-01), Seyer
patent: 3885590 (1975-05-01), Ford et al.
The Welding Encyclopedia, L. B. Mackenzie, vol. 12, p. 471.
Chambers A. Michael
Valmont Industries, Inc.
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