Patents by Inventor Takashi Ujile

Takashi Ujile 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).

  • Fuel cell cooling device
    Patent number: 5041344
    Abstract: A fuel cell cooling device includes a plurality of plate-like fuel cell units arranged in a vertical stack and having singly interspersed therein cooling plates. A main coolant pipe supplies coolant at a pressure above the saturation point thereof to the cooling plates through corresponding inlet cooling pipes. A throttle is provided in each inlet cooling pipe to produce a pressure drop such that coolant entering a cooling plate is at a pressure below the saturation point thereof.
    Type: Grant
    Filed: March 22, 1990
    Date of Patent: August 20, 1991
    Assignee: Fuji Electric Corporate Research and Development Ltd.
    Inventors: Tomoyoshi Kamoshita, Toshio Hirota, Osamu Yamamoto, Kaoru Kondou, Takashi Ujile