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:
Sep. 18, 2012
Filed:
Dec. 09, 2008
Applicant:
Masakazu Ando, Nagoya, JP;
Inventor:
Masakazu Ando, Nagoya, JP;
Assignee:
Rinnai Corporation, Nagoya-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F22B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided an indoor mounting water heater in which combustion exhaust gas is discharged to the outdoors via an exhaust duct, wherein a decrease in draft force caused when the number of burner groups to be burned is reduced by a capacity changeover mechanism to decrease the combustion capacity can be prevented, and the heat efficiency can be improved. An air supply chamberis divided into a plurality of partsandcorresponding to a plurality of burner groupsand. The air sent from an air supply fanis supplied to only a part of the air supply chamber corresponding to a burning burner group.