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:
Mar. 22, 2005
Filed:
Aug. 23, 2001
Tomoichi Kamo, Tokai-mura, JP;
Syuichi Oohara, Hitachi, JP;
Kenji Yamaga, Hitachi, JP;
Jinichi Imahashi, Hitachi, JP;
Masanori Yoshikawa, Hitachinaka, JP;
Norio Yamada, Hitachiohta, JP;
Tomoichi Kamo, Tokai-mura, JP;
Syuichi Oohara, Hitachi, JP;
Kenji Yamaga, Hitachi, JP;
Jinichi Imahashi, Hitachi, JP;
Masanori Yoshikawa, Hitachinaka, JP;
Norio Yamada, Hitachiohta, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
To provide a compact power source best suited for portable use, which uses no separator and has no auxiliary equipment such as a fluid supply mechanism, and portable electronic equipment using the power source. A fuel cell, a fuel cell generator, and electric equipment using these have a construction such that the fuel cell, having an anode for oxidizing liquid fuel, a cathode for reducing oxygen, and an electrolyte membrane for insulating the anode from the cathode, has a construction of a hollow support, the anode, electrolyte membrane, and cathode are disposed on the outer peripheral surface of the hollow support to form a generator section, and the fuel is brought into contact with the inside of the hollow support and gas containing the oxygen is brought into contact with the outside of the generator section.