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:
Aug. 27, 2013
Filed:
Jun. 22, 2010
Applicants:
Akihito Yamashita, Fuji, JP;
Mitsutaka Inaba, Fuji, JP;
Jun Aiso, Fuji, JP;
Inventors:
Assignee:
Purpose Company Limited, Fuji-shi, Shizuoka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/00 (2006.01); G01M 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A combustion apparatus (water heater) includes a combustion unit (burner) combusting fuel, at least two flame detector (flame rods) detecting whether there is a flame or not in the combustion unit, a determination unit (control device) determining whether or not there is a misfire, based on detected results of the flame detectors, and a control unit (control device) stopping supply of the fuel to the combustion unit in response to a determined result of the determination unit.