Venturi tube

Details Venturi tube Venturi tube

1986-02-03

1987-03-24

Woodiel, Donald O.

Measuring and testing

Volume or rate of flow

Using differential pressure

73706, 73756, G01F 144, G01L 1900

Patent

active

046515720

ABSTRACT:
A Venturi tube which is especially suited for the differential pressure measurement of flowing gas/particulate material media with high dust loading at temperatures exceeding 100.degree. C. and at elevated pressures includes a pressure-resistant metallic jacket and an inner lining of wear-resistant porous material which is accommodated in the jacket and bounds a flow-through passage with the Venturi configuration. Respective annular chambers are situated at the inlet region and at the smallest-diameter region of the flow-through passage, there annular chambers being separated from the flow-through passage by respective layers of wear-resistant porous material and being connected by respective pulse conduit with a differential pressure measuring device.

REFERENCES:
patent: 4480947 (1984-11-01), Nagasaka
patent: 4507971 (1985-03-01), Vachek

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