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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 11079138 B1

PDFFull Text
Date of Patent:
Aug. 03, 2021

Filed:

Jul. 08, 2016

Combustion apparatus

Applicant:

Rinnai Corporation, Nagoya, JP;

Inventor:

Yosuke Suzuki, Nagoya, JP;

Assignee:

Rinnai Corporation, Nagoya, JP;

Attorney:

Amin, Turocy & Watson, LLP

Primary Examiner:

Avinash A Savani

Assistant Examiner:

Martha M Becton

Int. Cl.
CPC ...
F24H 9/20 (2006.01); F23N 3/08 (2006.01); F23N 5/02 (2006.01); F24H 1/14 (2006.01); F23N 5/20 (2006.01); F23N 5/24 (2006.01);
U.S. Cl.
CPC ...
F24H 9/2035 (2013.01); F23N 3/08 (2013.01); F23N 5/02 (2013.01); F23N 5/20 (2013.01); F23N 5/203 (2013.01); F23N 5/24 (2013.01); F24H 1/14 (2013.01); F24H 1/145 (2013.01); F23N 2223/04 (2020.01); F23N 2223/22 (2020.01); F23N 2227/02 (2020.01); F23N 2227/06 (2020.01); F23N 2227/10 (2020.01); F23N 2233/08 (2020.01);
Abstract

A combustion apparatus () has a burner () configured to burn combustion gas, a heat exchanger () disposed below the burner (), and a combustion fan () configured to supply air for combustion, wherein the combustion apparatus performs post-purge operation in which the combustion fan () is activated for a predetermined period of time after combustion operation of the burner () stops, and intermittent blower operation in which activation and deactivation of the combustion fan () is repeated a plurality of times at predetermined intervals after the post-purge operation ends.

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Suzuki, Yosuke. (2021). Combustion apparatus (U.S. Patent No. 11079138). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11079138

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