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.:
Date of Patent:
Nov. 03, 2020
Filed:
Mar. 11, 2019
Applicant:
Rinnai Corporation, Nagoya, JP;
Inventor:
Takuya Miura, Aichi, JP;
Assignee:
RINNAI CORPORATION, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 1/14 (2006.01); F23L 5/02 (2006.01); F24H 9/18 (2006.01); F24H 8/00 (2006.01);
U.S. Cl.
CPC ...
F24H 1/145 (2013.01); F23L 5/02 (2013.01); F24H 8/006 (2013.01); F24H 9/1836 (2013.01);
Abstract
Provided is a heat source machine with high thermal efficiency. A heat exchanger () is provided with a resistance imparting member () that imparts resistance to combustion exhaust passing through fins (). The resistance imparting member () is provided with exhaust passage sections () which are positioned opposing water pipes (), and belt-like closing sections () that close the gap between the fins () of the water pipes () that are adjoining to each other.