Turbine flowmeter with overspeed protection

Details Turbine flowmeter with overspeed protection Turbine flowmeter with overspeed protection

1977-06-20

1978-07-25

Gill, James J.

Measuring and testing

Volume or rate of flow

Expansible chamber

73231R, G01F 1115, G01F 112

Patent

active

041021894

ABSTRACT:
A turbine wheel is mounted for rotation in a cylindrical housing at the end of rod, the housing and rod pass through a sleeve to insert the turbine wheel in a line to intercept fluid flowing therethrough. The rotational position of the rod is controlled as it passes through the sleeve to align the turbine wheel with the direction of flow through the line. A pickoff coil senses the rotation of the turbine wheel. Responsive to the pickoff coil, the sleeve and the rod are rotated as a unit to reduce the fluid intercepted by the turbine wheel.

REFERENCES:
patent: 1593291 (1926-07-01), Critchlow
patent: 3771363 (1973-11-01), Stapler

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