Patents by Inventor Yoshihisa Sanagi

Yoshihisa Sanagi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Purging method of fuel cell system
    Patent number: 7687162
    Abstract: A purging apparatus for a fuel cell system according to the present invention comprises a steam supply pass 18 and an air supply pass 19. A purging method for the fuel cell system according to the present invention comprises, at a time of causing a fuel reformer 12, a fuel cell body 1 and a fuel supply line 13 to carry out the purging operation, first carrying out the purging operation by steam, and then carrying out the purging operation by air. According to such a structure, there can be provided the purging apparatus for the fuel cell system and the method therefor, which have an easy structure and an easy operation, and enables combustible gas and condensed water remaining in the system to be removed in a reliable manner.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: March 30, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshihisa Sanagi, Yuji Nagata, Motohiro Takahashi, Takayuki Kaneko, Naoki Kanie, Masahiro Ogawa
  • Fuel battery system and purging method therefor
    Publication number: 20040115488
    Abstract: A purging apparatus for a fuel cell system according to the present invention comprises a steam supply pass 18 and an air supply pass 19. A purging method for the fuel cell system according to the present invention comprises, at a time of causing a fuel reformer 12, a fuel cell body 1 and a fuel supply line 13 to carry out the purging operation, first carrying out the purging operation by steam, and then carrying out the purging operation by air. According to such a structure, there can be provided the purging apparatus for the fuel cell system and the method therefor, which have an easy structure and an easy operation, and enables combustible gas and condensed water remaining in the system to be removed in a reliable manner.
    Type: Application
    Filed: January 5, 2004
    Publication date: June 17, 2004
    Inventors: Yoshihisa Sanagi, Yuji Nagata, Motohiro Takahashi, Takayuki Kaneko, Naoki Kanie, Masahiro Ogawa