Method and device for measuring a pressure in a suspension condu

Details Method and device for measuring a pressure in a suspension condu Method and device for measuring a pressure in a suspension condu

1977-04-12

1978-10-10

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Combined

73756, G01L 700

Patent

active

041189906

ABSTRACT:
In a method of measuring a pressure of a suspension, for example, slush, wing through a suspension conduit, in which the pressure is transferred through a water-filled sensing duct, whose nozzle opening out in the suspension conduit is rinsed with water, to a pressure pick-up whose output signal is fed to recording and/or display apparatus, the sensing duct and/or the nozzle may become clogged, for example, by the deposition of algae of the rinsing water or the deposition of solid substance from the suspension.
In order to render the measurements more reliable the pressure is detected in a sensing zone withdrawn out of the suspension stream, where the risk of deposition of solid substances is limited, while the pressure is detected in consecutive measuring cycles, each including a rinsing phase and a pick-up phase of longer duration than the rinsing phase.

REFERENCES:
patent: 3295374 (1967-01-01), Sawada et al.
patent: 3771365 (1973-11-01), Schempp

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