Refrigeration – Cryogenic treatment of gas or gas mixture – Separation of gas mixture
Reexamination Certificate
2007-04-13
2008-11-11
Doerrler, William C (Department: 3744)
Refrigeration
Cryogenic treatment of gas or gas mixture
Separation of gas mixture
C062S657000, C700S273000, C700S270000, C706S023000, C706S900000, C706S052000
Reexamination Certificate
active
07448230
ABSTRACT:
Method for controlling the production of one or more liquid products produced by one or more plants, that can be an air separation plant, that has a liquid storage capacity and that consumes electrical power. Linguistic values related to current liquid inventory, a rate of change of liquid inventory, projected demand requirements and projected unit power costs are inputted into a expert system controller having one or more rule sets that apply such input linguistic values to produce output linguistic values that are converted back to an output numerical value of a forecasted differential production rate to be applied during a forecast period. The output numerical value of differential production is added to the current production rate of the plants to obtain a new production rate which is applied during the forecast period.
REFERENCES:
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patent: 5819232 (1998-10-01), Shipman
patent: 6647745 (2003-11-01), Belanger
patent: 6957153 (2005-10-01), Esposito, Jr.
patent: 7092893 (2006-08-01), Megan et al.
patent: 7249470 (2007-07-01), Esposito et al.
Esposito William Randy
Megan Lawrence
Doerrler William C
Praxair Technology Inc.
Rosenblum David M.
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