Fluid flow meter with a body having upstream and downstream...

Details Fluid flow meter with a body having upstream and downstream... Fluid flow meter with a body having upstream and downstream...

2003-02-26

2009-02-03

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

Using differential pressure

Reexamination Certificate

active

07484425

ABSTRACT:
A mass flow meter device utilizing a housing having a wall portion forming a chamber with an entrance and exit for passing fluid through the same. A body is located within the chamber and is composed of a first conical portion, a second conical portion, and a cylindrical portion positioned intermediate the first and second conical portions. The body is held within the chamber in a standard or reverse direction. A first pressure probe or sensor measures the fluid pressure at the apex of the first conical portion while a second pressure probe or sensor obtains a second pressure measurement at the cylindrical portion of the body. The comparison of the first and second pressure measurements serves as an indication for the mass flow of fluid through the housing.

REFERENCES:
patent: 4638672 (1987-01-01), McCall
patent: 4812049 (1989-03-01), McCall
patent: 5363699 (1994-11-01), McCall
patent: 5814738 (1998-09-01), Pinkerton et al.
patent: 6865957 (2005-03-01), Hughes et al.

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