Flowmeter for liquids

Details Flowmeter for liquids Flowmeter for liquids

1978-04-05

1979-10-30

Kreitman, Stephen A.

Measuring and testing

Volume or rate of flow

Tank type

G01F 106

Patent

active

041723813

ABSTRACT:
An improved flowmeter for liquids is provided of the type which includes a housing, a cylindrical chamber formed in the housing, a shaft rotatably mounted in the housing and extending coaxially through the chamber, an impeller mounted on the shaft and an inlet and outlet channel provided in the housing and communicating with the chamber. The impeller is provided with a coaxially disposed circular disc having a plurality of radiation-permeable passageways formed therethrough spaced about the periphery thereof. A radiation source is disposed on the side of the disc and a radiation sensor on the other side of the disc in axial alignment with the passageways thereof. The flowmeter is especially useful for accurately determining relatively low flow rates.

REFERENCES:
patent: 3360989 (1968-01-01), Herrington
patent: 3751642 (1973-08-01), Todd et al.
patent: 3866469 (1975-02-01), Wemyss
patent: 3867840 (1975-02-01), Baatz
patent: 3922525 (1975-11-01), Kozak et al.

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