Rotary flowmeter with varying area channel

Details Rotary flowmeter with varying area channel Rotary flowmeter with varying area channel

1992-07-01

1994-10-04

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Using differential pressure

7386176, G01F 128

Patent

active

053515579

ABSTRACT:
A rotary type of flowmeter having an orifice directing the flow toward a moveable needle. The needle moves within a channel that has a varying cross-sectional area in a plane transverse to the needle movement such that the effect of the velocity of the fluid impinging on the needle to cause its movement is controlled.

REFERENCES:
patent: 2091792 (1937-08-01), Niesemann
patent: 2268391 (1941-12-01), Guuthier
patent: 2355694 (1944-08-01), Ardedt
patent: 2939319 (1960-06-01), Machlansiti
patent: 4713972 (1987-12-01), Stockburger

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