Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system
Reexamination Certificate
2011-01-11
2011-01-11
Lau, Tung S (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Mechanical measurement system
Reexamination Certificate
active
07869963
ABSTRACT:
A system and method of calculating chemical usage during a refilling of a supply tank, which includes the steps of providing a chemical system having a first supply tank of known capacity, wherein the tank is mounted upon an electronic scale. The scale is capable of generating a series of signals related to the weight of the tank when empty and at various levels of fill. A system controller receives a series of signals from the scale relating to the weight of the tank when empty and at various levels of fill. The first supply tank is filled from a source of chemical feed and the fill time for the filling of the first supply tank is obtained. The system controller inputs the series of signals from the scale relating to the weight of the tank when empty and at various levels of fill and calculates a usage during refilling based on a feed rate times the fill time.
REFERENCES:
patent: 2004/0155057 (2004-08-01), Soberanis et al.
Force Flow, Electronic scale for chemical day tanks and IBC Totes, bulletin 40, Nov. 2, 2004, p. 1-2.
Barger Dannie Ray
Nelson Mark B
Buchanan & Ingersoll & Rooney PC
Force Flow
Lau Tung S
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