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:
Apr. 19, 2005
Filed:
Oct. 02, 2003
Keiichi Ito, Aichi-Ken, JP;
Yoshinori Fujisawa, Aichi-Ken, JP;
Yukihiko Shimonoma, Aichi-Ken, JP;
Yoshimune Yamada, Aichi-Ken, JP;
Keiichi Ito, Aichi-Ken, JP;
Yoshinori Fujisawa, Aichi-Ken, JP;
Yukihiko Shimonoma, Aichi-Ken, JP;
Yoshimune Yamada, Aichi-Ken, JP;
Rinnai Corporation, Aichi-Ken, JP;
Abstract
In a configuration of a hybrid hot air heater in which a gas heater unitand an electric heater unitare incorporated into one chassis at the upper part and lower part, respectively, in such a manner that their respective air-blowing systems may be independent of each other, the heater itself is made more compact even with increases in the cross-sectional area of inletsandequipped with anti-dust filtersand, respectively. The second inletof the electric heater unitprovided on the chassisis arranged below a gas burnerin such a manner as to conserver space and serves as an air inlet passage on the rear side of a housingof a first air-blowing fanthat separates the gas heater unitand the electric heater unitfrom each other.