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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 11608984 B1

PDFFull Text
Date of Patent:
Mar. 21, 2023

Filed:

Jun. 15, 2020

Systems for avoiding harmonic modes of gas burners

Applicant:

Brunswick Corporation, Mettawa, IL (US);

Inventors:

Philip Eadie, Bangor, IE;

Stuart C. Black, Ballyclare, IE;

Assignee:

Brunswick Corporation, Mettawa, IL (US);

Attorney:

Andrus Intellectual Property Law, LLP

Primary Examiner:

Avinash A Savani

Int. Cl.
CPC ...
F23D 14/02 (2006.01); F23N 5/12 (2006.01); F23M 20/00 (2014.01); F23N 5/24 (2006.01); F23D 14/26 (2006.01); F23D 14/36 (2006.01); F23L 5/02 (2006.01); F23N 3/08 (2006.01); F23D 14/62 (2006.01); F23N 5/18 (2006.01);
U.S. Cl.
CPC ...
F23N 5/123 (2013.01); F23D 14/02 (2013.01); F23D 14/26 (2013.01); F23D 14/36 (2013.01); F23D 14/62 (2013.01); F23L 5/02 (2013.01); F23M 20/005 (2015.01); F23N 3/082 (2013.01); F23N 5/187 (2013.01); F23N 5/24 (2013.01); F23D 2203/103 (2013.01); F23D 2203/106 (2013.01); F23D 2203/1023 (2013.01); F23K 2900/05002 (2013.01); F23N 2229/12 (2020.01); F23N 2229/16 (2020.01); F23N 2233/08 (2020.01); F23N 2235/14 (2020.01); F23N 2235/16 (2020.01); F23N 2235/18 (2020.01); F23N 2235/24 (2020.01); F23N 2237/26 (2020.01); F23N 2241/14 (2020.01); F23N 2900/05005 (2013.01);
Abstract

A gas burner system has a gas burner with a conduit through which an air-gas mixture is conducted; a variable-speed forced-air device that forces air through the conduit; a control valve that controls a supply of gas for mixture with the air to thereby form the air-gas mixture; and an electrode configured to ignite the air-gas mixture so as to produce a flame. The electrode is further configured to measure a flame ionization current associated with the flame. A controller is configured to actively control the variable-speed forced-air device based on the flame ionization current measured by the electrode so as to automatically avoid a flame harmonic mode of the gas burner. Corresponding methods are provided.

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