Digital flowmeter

Details Digital flowmeter Digital flowmeter

1977-07-05

1979-06-12

Phillips, Charles E.

Measuring and testing

Volume or rate of flow

System

73255, G01D 534

Patent

active

041576608

ABSTRACT:
A bearingless digital flowmeter consists of toroid-shaped cavity and of tangential inlet/outlet channels. A ball in the cavity revolves in proportion to the flow rate. The frequency of revolution of the ball is detected by photoelectric or magnetic pickup device. The flowmeter is linear even at small flow rates and measures flow in both directions. The inlet and outlet are on opposite sides of the toroid in opposed relationship, which not only improves accuracy, but permits the meter to register flow in either direction.

REFERENCES:
patent: 355821 (1887-01-01), Hopkins
patent: 818566 (1906-04-01), Scotti
patent: 2776568 (1957-01-01), Ward et al.
patent: 3861210 (1975-01-01), Griverus
patent: 3872304 (1975-03-01), Little

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