Karman vortex flow meter

Details Karman vortex flow meter Karman vortex flow meter

1997-02-24

1998-03-17

Dougherty, Elizabeth L.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

7386124, G01F 132

Patent

active

057289468

ABSTRACT:
In a Karman vortex flow meter, a first space section is provided between a detection section and an inflow opening, and a second space section is provided between the detection section and an outflow opening. The first space and the second space have cross-sectional areas larger than a cross-sectional area of the detection passage. Accordingly, a disorder of a fluid coming in the inflow opening of the detection passage and pulsation components coming from the outflow opening are reduced by the first and second spaces.

REFERENCES:
patent: 3722273 (1973-03-01), Yamasaki et al.
patent: 4299121 (1981-11-01), Asayama et al.
patent: 4584883 (1986-04-01), Miyoshi et al.
patent: 4683760 (1987-08-01), Misumi
patent: 5554805 (1996-09-01), Bahrton
patent: 5614681 (1997-03-01), Tada

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