Flowmeter

Details Flowmeter Flowmeter

1976-10-18

1977-12-27

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Thermal type

G01F 140

Patent

active

040647510

ABSTRACT:
The following specification describes a flowmeter in which a tube secured to a biased bellows for movement therewith receives a rod to define a passage having a small radial dimension relative the length of rod received in the tube. The passage provides a pressure drop, which varies linearly with flow rate and moves the bellows and tube to a position corresponding to the flow rate. An indicator rod extends from the tube through a wall of the meter housing to provide an indication of the bellows position and therefore the flow rate.

REFERENCES:
patent: 2262807 (1941-11-01), Larner
patent: 2581588 (1952-01-01), Greene
patent: 2587701 (1952-03-01), Davis, Jr.
patent: 2598910 (1952-06-01), Head
patent: 2638582 (1953-05-01), Urso et al.
patent: 2727388 (1955-12-01), Ekstrom
patent: 3234790 (1966-02-01), Ekstrom

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