Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2003-03-31
2009-06-09
Crepeau, Jonathan (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S010000, C429S010000, C429S006000
Reexamination Certificate
active
07544434
ABSTRACT:
A direct liquid fuel cell power generating device of the invention comprise an anode electrode, a cathode electrode, an electrolyte membrane held by the anode electrode and the cathode electrode, an anode Passage for passing a fuel, a cathode passage for passing an oxidizer, a fuel container connected to the feed port of the anode passage, and a cathode recovery container connected to the discharge port of the cathode passage for collecting the fuel supplied to an electromotive force section, an unreacted oxidizer, an a product of battery reaction, the device further comprising at least a mechanism for achieving gas-liquid contact by making contact between the substance discharged from the cathode discharge port and water existing in the cathode recovery container, and a mechanism for feeding the aqueous solution collected in the cathode recovery container into the fuel container.
REFERENCES:
patent: 2003/0031907 (2003-02-01), Gottesfeld
patent: 2003/0031908 (2003-02-01), Bostaph et al.
patent: 2003/0095872 (2003-05-01), McNamee et al.
patent: 2003/0129464 (2003-07-01), Becerra et al.
patent: 2003/0165720 (2003-09-01), DeFilippis
patent: 2004/0091763 (2004-05-01), Drake
patent: 07-124452 (1995-05-01), None
Goto Yasuhiro
Nakano Yoshihiko
Takashita Masahiro
Yamauchi Takashi
Chuo Tony
Crepeau Jonathan
Kabushiki Kaisha Toshiba
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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