Fluid handling – With indicator – register – recorder – alarm or inspection means – Fluid pressure responsive indicator – recorder or alarm
Patent
1995-08-08
1997-08-12
Chambers, A. Michael
Fluid handling
With indicator, register, recorder, alarm or inspection means
Fluid pressure responsive indicator, recorder or alarm
137559, 251 65, 7386157, F16K 3700
Patent
active
056555687
ABSTRACT:
A self-regulating flow control valve that combines a variable area flow meter and a flow control valve. In one embodiment, a tapered frusto-conical float is installed in a concentric cylinder. This cylinder has an inlet port below the float and an outlet port above the float. Both the inlet and outlet ports are in fluid communication with the cylinder. During normal flows, the float raises and reaches an equilibrium position. The upper portion of the cylinder has a flow tube installed within the tube. The lower portion of this tube acts as a valve seat for the float. The flow tube is set at a particular level of flow. As the flow changes, the float level changes. As the float approaches the flow tube, the flow rate stabilizes at the desired set point due to valving action. The set point can be changed by adjusting the position of the valve flow tube. The flow rate may be read off a scale that can be affixed to the valve body, or by means of graduations formed on the flow tube.
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W.A. Kates Co "Fundamentals of Flow control operations" Apr. 15, 1991.
Bhargava Raj
Chandra Niraj
Chambers A. Michael
Tavella Michael J.
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