Mass flow meter with fluid lens

Details Mass flow meter with fluid lens Mass flow meter with fluid lens

2008-07-29

2008-07-29

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

Using differential pressure

Reexamination Certificate

active

07404337

ABSTRACT:
A flow metering apparatus possessing a housing with a chamber including and entrance and an exit for the passageway of fluid therethrough. A flow directing body is located in the chamber and includes first and second conical portions positioned on either side of a cylindrical portion. The body is supported in the chamber in a fixed manner. An orifice is located within the chamber upstream of the first conical portion of the body and is of a predetermined size to control the passage of fluid through the housing chamber. First and second sensors sense the dynamic pressures at the apex of the first conical portion and at a position between the body and a wall of the chamber.

REFERENCES:
patent: 2803962 (1957-08-01), West
patent: 3455161 (1969-07-01), Randall
patent: 4343194 (1982-08-01), Dehart et al.
patent: 5892146 (1999-04-01), Kobayashi et al.
patent: 6234015 (2001-05-01), Hamada et al.
patent: 6684692 (2004-02-01), Lenzing et al.

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