Device for regulating the flow of gas toward user equipment

Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface

Reexamination Certificate

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Details

C137S116300, C137S505460, C137S517000

Reexamination Certificate

active

06948519

ABSTRACT:
A device for regulating a flow of gas toward user equipment, which comprises a first regulation stage and a second regulation stage arranged downstream in a direction of flow of the gas to be controlled, further comprising a flow limiter interposed between the first and second regulation stages and adapted to intervene if the second stage malfunctions.

REFERENCES:
patent: 2867234 (1959-01-01), Billington
patent: 4105044 (1978-08-01), Davitt
patent: 5203371 (1993-04-01), Teay
patent: 5456281 (1995-10-01), Teay
patent: 0 944 291 (2000-04-01), None
patent: 2 811 399 (2002-01-01), None
patent: 358 260 (1931-10-01), None

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