Positive displacement fluid flowmeter

Measuring and testing – Volume or rate of flow – Expansible chamber

Patent

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Details

73114, 91DIG4, G01F 900

Patent

active

040431983

ABSTRACT:
A valving member is carried within the bore of a meter body having inlet and outlet ports. Chambers are formed within the bore on opposite sides of a piston slideably disposed about the valving member. In response to movement of the piston, valving member shifts axially within the bore to establish sequential periodic communication between alternate chambers and the inlet and outlet ports. After each shift, the valving member is latched by magnetic means.

REFERENCES:
patent: 1355208 (1920-10-01), Bassler
patent: 1470684 (1923-10-01), Cade
patent: 2870789 (1959-01-01), Bilaisis
patent: 3344667 (1967-10-01), Maltby

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