Measuring apparatus to determine the flow of a fluid

Details Measuring apparatus to determine the flow of a fluid Measuring apparatus to determine the flow of a fluid

2005-05-31

2005-05-31

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

C073S239000, C073S861530

Reexamination Certificate

active

06898984

ABSTRACT:
A measuring apparatus (1) for determining the flow (Q) of a fluid (2). The apparatus has a hollow body (3), with an inflow (4) and an outflow (5) for the fluid (2). A magnetic sample (6) is movably arranged in the hollow body (3) and can be acted upon with a working pressure by the fluid (2). The measuring apparatus (1) further has at least one position sensor (7) to determine the position of the magnetic sample (6), an electromagnet (8) to exert a magnetic force on the magnetic sample (6), and a control device (9) for the electromagnet (8) which is connected signal-wise to the position sensor (7). The control device (9) includes regulating means (10) which control the electromagnet (8) with the aid of a signal of the position sensor (7) so that the magnetic sample (6) is held in a position (X) against the working pressure, with the magnetic sample (6) being designed and arranged such that the fluid (2) can flow through the hollow body (3) from the inflow (4) to the outflow (5).

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patent: 2553454 (1977-06-01), None
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patent: 0971212 (2000-01-01), None

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