Patents by Inventor Yosio Kusayama

Yosio Kusayama 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).

  • Feed water supply system of power plant
    Patent number: 5533337
    Abstract: In a feed water supply system for a power plant, feed water is supplied into a steam generator to generate steam, the steam is fed to a main turbine to drive an electric generator, and a feed water pump for supplying feed water into the steam generator is arranged so as to be driven by a feed water pump turbine driven with steam. The system is provided with main turbine extraction steam pipings for passage of main turbine extraction steam, high pressure auxiliary steam pipings for passage of high pressure steam, and low pressure auxiliary steam pipings for passage of low pressure steam, as pipings for steam supply for driving the feed water pump turbine.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: July 9, 1996
    Assignee: Hitachi, Ltd.
    Inventor: Yosio Kusayama