Variable area flowmeter

Details Variable area flowmeter Variable area flowmeter

1974-07-23

1976-05-18

Queisser, Richard C.

Measuring and testing

Volume or rate of flow

Thermal type

G01F 122

Patent

active

039569330

ABSTRACT:
A flowmeter of the rotameter type wherein a thin-walled variable-area glass tube containing a float is encapsulated in a transparent plastic bar having upper and lower lateral bores therein. The bores communicate with the inlet and outlet ends of the tube and are adapted to receive retainer elements for attaching the bar to a meter frame and for coupling the flow passage to inlet and outlet pipe couplers.

REFERENCES:
patent: 3342068 (1967-09-01), Metzger
patent: 3712134 (1973-01-01), Dettmer
patent: 3768309 (1973-10-01), Hart
patent: 3842671 (1974-10-01), Frizelle

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