Measuring and testing – Volume or rate of flow – Combined
Patent
1992-01-10
1994-02-08
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
Combined
7386181, 7386187, G01F 105, G01F 134
Patent
active
052840530
ABSTRACT:
Apparatus and method for metering the flow rate of a fluid through a conduit in which a low inertia transducer is placed between the inlet and outlet, the transducer having a substantially cylindrical housing and a rotatable element concentric to the housing which together define an arcuate pathway for the flow of the fluid. A pressure sensor generates a pressure error signal corresponding to a change in pressure between the inlet and outlet and translates the same into a detectable signal which is used to change the speed of the rotatable element to reduce the differential pressure between the inlet and outlet.
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Layden Lawrence M.
Wadlow David
Cassett Larry R.
Goldstein Herbert
Rathbun Roger M.
The BOC Group Inc.
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