Fluid metering apparatus

Measuring and testing – Volume or rate of flow – Proportional

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138 40, 138 42, G01F 500

Patent

active

053577930

ABSTRACT:
Device for measuring pressure differences or mass portions in a fluid flow--gas or liquid--and/or for implementing processes for mixing fluids, whereby when in use the fluid flows into the device, then passes a part therein where the fluid flow is laminar and the flow measurement is made, and finally flows out of the device, whereby the device has a turbulence filter which is integrated therein, with a settling chamber behind it. The fluid then first flows through that filter, so that a laminar flow leads to the flow measuring element.

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patent: 4427030 (1984-01-01), Jouwsma
patent: 4517089 (1985-05-01), Arnaud
patent: 4709863 (1987-12-01), Szkaradek et al.
patent: 4938053 (1990-07-01), Jepson et al.
patent: 5249626 (1993-10-01), Gibbins
Bronkhorst Hi-Tec Mass Flow and Pressure Measurement and Control Bulletin Dated Jan. 1994.

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