Flow meter having cylinders with freely movable pistons therein

Details Flow meter having cylinders with freely movable pistons therein Flow meter having cylinders with freely movable pistons therein

1998-08-31

2000-03-07

Patel, Harshad

Measuring and testing

Volume or rate of flow

Expansible chamber

73249, G01F 306

Patent

active

060325283

ABSTRACT:
The invention relates to a flow meter and in particular to a flow meter suitable for connection into a fluid conduit. The flow meter has an inlet and an outlet for connection into a fluid line and includes interconnected cylinders, each cylinder having a plurality of ports controlled by a piston axially-movable therein such that at any time the inlet and outlet are in fluid communication by a fluid pathway which includes two cylinders characterized in that there are three interconnected cylinders.

REFERENCES:
patent: 2127773 (1938-08-01), Horton
patent: 2724970 (1955-11-01), Risser, Jr.
patent: 3757581 (1973-09-01), Mankin et al.
patent: 3916931 (1975-11-01), Shaw et al.
patent: 4192185 (1980-03-01), Keilholz
patent: 4938054 (1990-07-01), Dye et al.

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