Measuring and testing – Volume or rate of flow – Using turbine
Reexamination Certificate
2007-09-11
2007-09-11
Thompson, Jewel (Department: 2855)
Measuring and testing
Volume or rate of flow
Using turbine
Reexamination Certificate
active
11228031
ABSTRACT:
A water meter register has a shaft for rotating an energy passing wheel having a high transmission portion and a low transmission portion. Energy rays are directed toward one side of the wheel toward a pair of detectors mounted on the other side of the wheel. Each of the detectors generates a first signal when energy passing through the first wheel portion is incident thereon and a second signal when the energy from the devices is incident on the second wheel portion to determine water volume flow rate. In another embodiment, an electronic device acts on the signals from the detectors to provide an adjusted signal that is a more accurate measure of flow rate. In another embodiment, the register includes a plurality of wheels to display measured volume flow, and a stepper motor mount within the wheels to rotate the wheels to present a readable measured volume flow rate.
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Arad Measuring Technologies Ltd.
The Webb Law Firm
Thompson Jewel
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