Patents by Inventor Fuminao Kamota

Fuminao Kamota 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).

  • Power supply system for driving reactor coolant recirculation pumps
    Patent number: 5896434
    Abstract: A power supply system for driving reactor coolant recirculation pumps within an advanced boiling water reactor is configured in such a manner that: at least one normal-operation busbar branches off from either a main on-site power line or from a power line for auxiliary power generation that branches off from the main on-site power line, with a house transformer therebetween; at least one MG set is connected to one of these normal-operation busbars; one static adjustable-frequency power supply device is connected to each MG set; and a plurality of recirculation pumps is connected to each static adjustable-frequency power supply device.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: April 20, 1999
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masami Yoshizumi, Kazuhiro Narita, Fuminao Kamota