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 11512874 B1

Date of Patent:

Nov. 29, 2022

Filed:

Mar. 27, 2020

Heat source device

Applicant:

Rinnai Corporation, Aichi, JP;

Inventor:

Takahiro Ono, Aichi, JP;

Assignee:

RINNAI CORPORATION, Aichi, JP;

Attorney:

Wenderoth, Lind & Ponack, LLP

Primary Examiner:

Vivek K Shirsat

Int. Cl.

CPC ...

F24H 9/00 (2022.01); F23L 3/00 (2006.01); F23L 17/00 (2006.01); F23D 14/02 (2006.01); F24H 1/12 (2022.01);

U.S. Cl.

CPC ...

F24H 9/0036 (2013.01); F23D 14/02 (2013.01); F23L 3/00 (2013.01); F23L 17/005 (2013.01); F24H 1/12 (2013.01); F23D 2208/005 (2013.01); F23D 2213/00 (2013.01);

Abstract

A heat source device including a sheet-metal burner body (), a fan casing () connected to the burner body (), an annular packing () connecting a burner-side connection end surface () with a fan-side connection end surface () in an airtight state, a sheet-metal connection part () disposed between the burner-side connection end surface () and the fan-side connection end surface (), wherein the connection part has an opening () and a packing storage portion () storing the annular packing (), wherein the opening () is provided in such a manner that an opening edge is positioned outside of those of an inlet port () and a blowout port () in a state where the connection part () is disposed between the burner-side connection end surface () and the fan-side connection end surface ().

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