Electricity: motive power systems – Battery-fed motor systems
Reexamination Certificate
2008-07-22
2008-07-22
Masih, Karen (Department: 2837)
Electricity: motive power systems
Battery-fed motor systems
C318S801000, C388S908000, C388S931000
Reexamination Certificate
active
07402967
ABSTRACT:
A DC power source includes one or more insulation type DC-DC converters and a plurality of cells, and is capable of reducing an amount of power loss at an insulation type DC-DC converter. The DC power source includes a pair of terminals for outputting electric power, a fuel cell and a secondary cell connected in parallel to the pair of terminals. An insulation type DC-DC converter is connected in series to either one of the fuel cell or the secondary cell.
REFERENCES:
patent: 5389824 (1995-02-01), Moroto et al.
patent: 6215272 (2001-04-01), Ohara et al.
patent: 2004/0066094 (2004-04-01), Suzuki et al.
patent: 2000-12059 (2000-01-01), None
patent: 2002-118981 (2002-04-01), None
Knobbe Martens Olson & Bear LLP
Masih Karen
Yamaha Hatsudoki Kabushiki Kaisha
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