Hydraulic clearance measurement system

Measuring and testing – With fluid pressure – Dimension – shape – or size

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G01B 1312

Patent

active

048459917

ABSTRACT:
Two pressurized fluid system orifices in series (48,50), one (50) having a variable effective flow area (A.sub.2 ) provide a proportionate measurement of a gap (x) between a nuclear reactor vessel (12) and a core support barrel (20) by means of the variation of pressure in the intermediate chamber (44) between them. A transducer (T) or a pressure gage (P) senses the proportionate pressure.

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patent: 4142401 (1979-03-01), Wilson
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patent: 4658633 (1987-04-01), Freer

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