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:
Jun. 25, 2013
Filed:
Feb. 19, 2010
Katsumi Kozu, Sanda, JP;
Toshihiko Ichinose, Ikoma, JP;
Masahiro Takada, Shizuoka, JP;
Satoshi Shibutani, Hirakata, JP;
SO Kuranaka, Osaka, JP;
Katsumi Kozu, Sanda, JP;
Toshihiko Ichinose, Ikoma, JP;
Masahiro Takada, Shizuoka, JP;
Satoshi Shibutani, Hirakata, JP;
So Kuranaka, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A clean power supply unit with a high fuel utilization rate using a fuel cell is provided. The power supply unit of the present invention comprises a fuel cell using methanol as fuel; a secondary battery for supplying power to a load; a fuel cell control part for controlling the amount of fuel and/or air supplied to the above-mentioned fuel cell; and a power converter for converting the power output from the above-mentioned fuel cell to a predetermined voltage or current, supplying power to the load and/or the above-mentioned secondary battery and controlling the supplied power so as to fall within a predetermined range including the value at which the amount of methanol discharged from the above-mentioned fuel cell becomes minimized.