Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent
1987-01-06
1987-10-06
Nilson, Robert G.
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
55310, 55358, 55410, 55418, 137613, F16T 112
Patent
active
046976132
ABSTRACT:
A flow controller apparatus having few moving parts that may be inserted directly into a flow line to be responsive to flow pressure and maintain the flow rate constant. The flow controller has an internal bore that is a revolutional chamber having a maximum cross-sectional diameter at the inlet end and tapering toward a minimum cross-sectional area across a throat portion. A differential pressure plate supported axially movably in said chamber is spring biased toward the inlet end of the chamber, and is movable in response to upstream flow pressure to adjust the cross-sectional fluid flow area to maintain a constant flow rate. In addition, the use of such flow rate controller enables the construction of a portable type of fluid pressure and flow rate control apparatus to reduce pressure and flow rate from a high pressure, high volume liquid or gas source for supply to a low pressure, low volume output requirement. The pressure apparatus consists of an inlet coupling with primary valve control connected through a pressure regulator to a relief valve, and output at reduced pressure is applied through a flow controller device that is responsive to maintain a constant, reduced pressure flow rate output for conduction and use as required. A contaminant separator is utilized prior to the flow controller.
REFERENCES:
patent: 3106226 (1963-10-01), Machen
patent: 3390514 (1968-07-01), Raschke
patent: 3518831 (1970-07-01), Tibbals
Duzan James R.
Halliburton Company
Nilson Robert G.
Walkowski Joseph A.
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