Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent
1976-04-07
1977-04-26
Weakley, Harold W.
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
137498, F16K 3112
Patent
active
040195317
ABSTRACT:
An inlet orifice device to control thruput flow for a pressure regulator, and to prevent increases in inlet pressure from causing variations in outlet pressure. The novel inlet orifice device also permits improved relief valve performance by limiting the maximum available thruput flow to constant levels, within the design range of inlet pressure, regardless of the variation of the inlet pressure supplied within such range.
The improved inlet orifice device serves the dual function of controlling the thruput flow by (1) varying the open area (flow limiter area) on the inlet side of the pressure regulator thru the said device and (2) cooperating with the valve to vary the open area (throttling area) on the outlet side of the said device. The improved inlet orifice device includes a fixed nozzle on the inlet side and a control member moveable relative the nozzle and the valve, which valve is disposed on the outlet side and actuated responsive the diaphragm.
REFERENCES:
patent: 3756272 (1973-09-01), Hammond
patent: 3872884 (1975-03-01), Busdiecker
Breen Marshall J.
The Singer Company
Weakley Harold W.
Weinstein Harold
Williams, Jr. Chester A.
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