Measuring and testing – Volume or rate of flow – By measuring electrical or magnetic properties
Patent
1996-05-01
1997-09-23
Chilcot, Richard
Measuring and testing
Volume or rate of flow
By measuring electrical or magnetic properties
7386115, G01F 158
Patent
active
056707240
ABSTRACT:
A sensor for liquid flow rate and liquid pressure includes a housing, in turn, including a liquid contacting portion positioned within a liquid carrying conduit. The liquid contacting portion includes a pressure responsive diaphragm. An electromagnetic coil is positioned in the housing for generating a magnetic field within the flow of liquid, and a pair of spaced apart electrodes are exposed on the liquid contacting portion for generating a signal related to the liquid flow rate. A pressure sensing device or mechanism, such as a gauge or transducer, may be operatively coupled to the diaphragm. Accordingly, a compact and reliable sensor for both liquid flow rate and liquid pressure is provided by the present invention. In one embodiment the conduit may have a cylindrical shape with a circular cross-section and in another embodiment, the conduit may be an open channel conduit. Method aspects of the invention are also disclosed.
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Turbo Instruments, Inc., Publ. No. TB 2301-202/0494/E, "Insertion Magnetic Flow Sensor MIS 2", pp. 1-7.
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AMJ Equipment Corporation
Artis Jewel V.
Chilcot Richard
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