Insertion paddle wheel flow sensor for insertion into a fluid co

Details Insertion paddle wheel flow sensor for insertion into a fluid co Insertion paddle wheel flow sensor for insertion into a fluid co

1998-04-28

2000-06-27

Patel, Harshad

Measuring and testing

Volume or rate of flow

Using rotating member with particular electrical output or...

7386187, 416223R, G01F 1500, B63H 126

Patent

active

060792809

ABSTRACT:
A flow sensor using induction pickup and having an improved paddle wheel type impeller within an impeller housing having a concave opening defining a protective skirt area for shielding a portion of the paddle wheel and a stem of the paddle wheel with a varying thickness for reducing cavitational backflow and therefore achieving a precise measurement of the fluid flow velocity and a high turndown ratio is disclosed.

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patent: 4936151 (1990-06-01), Tokio
patent: 5721383 (1998-02-01), Franklin et al.

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