Flow meter including improved laminar flow restrictor device the

Details Flow meter including improved laminar flow restrictor device the Flow meter including improved laminar flow restrictor device the

1982-04-19

1984-05-29

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Proportional

138 42, G01F 500

Patent

active

044507186

ABSTRACT:
This disclosure relates to a flow meter having an improved flow restrictor for creating laminar flow in the flow meter. The improved flow restrictor is an adjustable bypass or flow restrictor which comprises a stack of alternate slotted discs and non-slotted, smaller diameter, washers with a diameter of 80% of the slotted discs, to form a plurality of micro-channels 0.09 mm square and 3 mm long which is a length to area ratio sufficient to assure laminar fluid flow through the flow meter.

REFERENCES:
patent: 3514074 (1970-05-01), Self
patent: 3792609 (1974-02-01), Blair et al.
patent: 3851520 (1974-12-01), Drexel

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