Flow meter

Details Flow meter Flow meter

1988-09-19

1990-07-31

Orsino, Joseph A.

Measuring and testing

Volume or rate of flow

Using differential pressure

7386156, G01F 122

Patent

active

049441906

ABSTRACT:
A fluid flow meter is disclosed which can generate both an electrical and a mechanical representation of flow rate. A first magnet, mounted within a flow tube, is displaced in response to fluid flow in the flow tube. A second magnet, mounted outside the flow tube, moves in response to changes in the magnetic coupling between the first magnet and the second magnet caused by displacement of the first magnet within the flow tube. A pointer is coupled to the second magnet and moves with the second magnet to produce a visual representation of flow rate. A sensor, mounted in proximity to the second magnet, and responsive to movement of the second magnet, produces an electrical signal representative of the flow rate.

REFERENCES:
patent: 3147619 (1964-09-01), Whitacre
patent: 3164989 (1965-01-01), Busillo et al.
patent: 3729996 (1973-05-01), Metz
patent: 3960142 (1976-06-01), Elliott et al.
patent: 4059015 (1977-11-01), Satori
patent: 4254664 (1981-03-01), Graham
patent: 4263813 (1981-04-01), Gryn
patent: 4507976 (1985-04-01), Banko
patent: 4523480 (1985-06-01), Inoue
patent: 4554494 (1985-11-01), Howeth

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