Axial turbine flowmeters

Details Axial turbine flowmeters Axial turbine flowmeters

1982-09-23

1984-05-22

Ruehl, Charles A.

Measuring and testing

Volume or rate of flow

Using turbine

7386192, G01F 110

Patent

active

044494106

ABSTRACT:
In order to compensate the hydrodynamic pressure on the turbine of a flowmeter, means are provided to create a zone of reduced pressure of constant value upstream of the turbine hub, together with means for creating a zone of pressure, on the downstream face of the hub, varying in a defined manner as a function of the axial position of the turbine. The pressure difference thus created on either side of the turbine hub produces a reaction force tending continuously to balance the hydrodynamic pressure of the fluid whatever the flow rate. The invention is particularly applicable to high flow rate water meters.

REFERENCES:
patent: 3756079 (1973-09-01), November

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