Measuring and testing – Volume or rate of flow – Using rotating member with particular electrical output or...
Patent
1997-03-31
2000-01-11
Patel, Harshad
Measuring and testing
Volume or rate of flow
Using rotating member with particular electrical output or...
7386188, G01F 1500, G01F 107
Patent
active
060123397
ABSTRACT:
A flow meter is provided that can be used to measure the flow of fluids from a fluid source to a receiving system, and methods of using the flow meter to measure fluid flow. The flow meter is composed of a housing that contains a fluid flow sensing member in the form of a rotatable bladed rotor or turbine in one chamber and a sensor and a signal-conditioning circuit in a second separate chamber. The rotor rotates by fluid flow through the housing chamber. The rotor preferably contains a magnet that passes over a magnetically-operated sensor and triggers it to produce a signal that is processed by the conditioning circuit into a 4-20 mA output signal that indicates a range from no flow to full flow of the liquid through the flow meter.
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Brochure entitled "It's A Fact!" by Lake Monitors, Inc. (published Apr. 1996).
Declaration re. Experimental Use, by Thomas Genack (1997).
Genack Thomas
Roeber William W.
Lake Monitors, Inc.
Patel Harshad
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