Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1994-12-06
1996-03-12
Hepperle, Stephen M.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
137908, 251148, F16K 5100, G05D 1606
Patent
active
054978033
ABSTRACT:
Pressure regulator for the first stage of two-stage aqualungs, comprising a high-pressure gas inlet, a high-pressure chamber communicating with this inlet, an intermediate-pressure chamber and a reducing valve interposed between said high-pressure chamber and said intermediate-pressure chamber. Said intermediate-pressure chamber and optionally also said high-pressure chamber are provided with a plurality of outlets. The high-pressure chamber, the reducing valve and the intermediate-pressure chamber are assembled in a cylindrical body. The intermediate-pressure outlets and also, if present, the high-pressure outlets, are formed in annular bodies mounted leaktightly against the escape of compressed fluid in such a way that they can be turned freely about the axis of said cylindrical body and such that they communicate via suitable ports and/or manifolds with said chambers of the pressure regulator
REFERENCES:
patent: 2459643 (1949-01-01), Hartley
patent: 2747607 (1956-05-01), Matasovic
patent: 3972346 (1976-08-01), Wormser
patent: 4384591 (1983-05-01), Tan
patent: 5097860 (1992-03-01), Ferguson et al.
patent: 5176169 (1993-01-01), Ferguson
A.B. Vitaldado S.p.A.
Hepperle Stephen M.
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