Slotted orifice flowmeter

Details Slotted orifice flowmeter Slotted orifice flowmeter

1991-07-15

1994-03-22

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

With indirect temperature or density compensation

7386161, 137 44, G01F 142, G01F 1502

Patent

active

052953971

ABSTRACT:
A flow impedance device is provided for an obstruction flowmeter for determining the flow rate of a compressible or incompressible fluid in a conduit. The flowmeter has means for measuring the temperature and pressure of the fluid as well as the pressure differential across the flow impedance device, and further means for computing a flow rate from the measured pressures. The flow impedance device includes a plate having a plurality of elongated openings arranged in a predetermined pattern. The plate is installed generally transversely in the conduit to force the fluid to flow through the plurality of elongated openings.

REFERENCES:
patent: 2687645 (1954-08-01), Velten et al.
patent: 3750710 (1973-08-01), Hayner
patent: 3838598 (1974-10-01), Tompkins
patent: 4015473 (1977-04-01), Kleuters et al.
patent: 4040293 (1977-08-01), Wilson
patent: 4562744 (1986-01-01), Hall et al.
patent: 4592390 (1986-06-01), Boyd
patent: 4841781 (1989-06-01), Khalifa

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