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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11740022 B1

PDFFull Text
Date of Patent:
Aug. 29, 2023

Filed:

Jul. 22, 2020

Furnace controller and method of operating a furnace

Applicant:

Air Products and Chemicals, Inc., Allentown, PA (US);

Inventors:

Martin Lawrence, Nantwich, GB;

Avishek Guha, Allentown, PA (US);

Reed Jacob Hendershot, Orefield, PA (US);

Assignee:

AIR PRODUCTS AND CHEMICALS, INC., Allentown, PA (US);

Attorney:

Matthew Richard Weaver

Primary Examiner:

Steven B Mcallister

Assistant Examiner:

Benjamin W Johnson

Int. Cl.
CPC ...
F27B 3/28 (2006.01); F27D 19/00 (2006.01); F27B 7/42 (2006.01); F27B 14/20 (2006.01); F27B 9/28 (2006.01); F27D 21/00 (2006.01); C22B 7/00 (2006.01); C22B 13/02 (2006.01); C22B 15/00 (2006.01); C22B 21/00 (2006.01);
U.S. Cl.
CPC ...
F27B 3/28 (2013.01); F27B 7/42 (2013.01); F27B 14/20 (2013.01); F27D 19/00 (2013.01); C22B 7/00 (2013.01); C22B 7/001 (2013.01); C22B 13/025 (2013.01); C22B 15/003 (2013.01); C22B 21/00 (2013.01); F27B 9/28 (2013.01); F27D 21/00 (2013.01); F27D 2019/0003 (2013.01); F27D 2019/0006 (2013.01); F27D 2019/0028 (2013.01); F27D 2019/0087 (2013.01); Y02P 10/20 (2015.11);
Abstract

A control scheme for a furnace can use real-time and historical data to model performance and determine relationships between different data and performance parameters for use in correcting suboptimal performance of the furnace in real-time. Operational parameters can be logged throughout the cycle for all cycles for a period of time in order to establish a baseline. This data can then be used to calculate the performance of the process. A regression analysis can be carried out in order to determine which parameters affect different aspects of performance. These relationships can then be used to predict performance during a single cycle in real-time and provide closed or open loop feedback to control furnace operation to result in enhanced performance.

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