Flow meter

Details Flow meter Flow meter

1978-10-05

1980-03-18

Swisher, S. Clement

Measuring and testing

Volume or rate of flow

Thermal type

340197, G01F 122

Patent

active

041933010

ABSTRACT:
A flow-meter having a sliding lamina interposed between two chambers and movable to vary the flow therethrough in response to deviations in the pressure difference between the chambers to maintain a constant preset pressure difference for accurate measurement of instantaneous flow rates over a wide range. A cam surface relates linear variation in flow rates to non-linear variation in the area of the opening for fluid passage.

REFERENCES:
patent: 2035472 (1936-03-01), Hammond
patent: 2092019 (1937-09-01), Randel
patent: 2606445 (1952-08-01), Eckman
patent: 2609831 (1952-09-01), MacGeorge
patent: 3442286 (1969-05-01), Anderson
Float Type Flowmeter; Technical Information A Publication.
Brochure of Gervase Instruments Limited title: Electronic Process Control Instrumentation.
Brochure of Gilflo; title: Primary Elements for Flowrate Measurement of Liquids, Gases and Steam.

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