Open stream velocity probe and meter

Details Open stream velocity probe and meter Open stream velocity probe and meter

1976-11-26

1977-06-21

Gill, James J.

Measuring and testing

Volume or rate of flow

Expansible chamber

G01F 1115

Patent

active

040303594

ABSTRACT:
This invention pertains to a flowmeter probe for measuring the rate of fluid flow in open streams or in and from the discharge ends of pipes. The probe apparatus includes a handle and a pivoted extension and shaft on whose distal end is mounted a turbine-type flowmeter. This flowmeter is protectively carried in a housing so that the turbine blades are protected by a shroud of a thin and close fitting construction and having a curved or chamfered entranceway to guide a full flow through the shroud. The head is selectively adjusted and clamped to the handle at any point within a 90.degree. arc.

REFERENCES:
patent: 1593291 (1926-07-01), Critchlow
patent: 3557617 (1971-01-01), Wilson et al.
An Article, "Portable Propeller Flowmeter Determines Water Velocity" by Molyneux et al. from "Electronics", June 23, 1961 pp. 60, 62.

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