Patents by Inventor Tetsuji Namato

Tetsuji Namato 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).

  • Drainage collection system
    Patent number: 9739477
    Abstract: There is provided a drain recovery system with which power for driving a feedwater pump can be reduced and the feedwater pump can be driven at low costs. The drain recovery system includes: a buffer tank; an assist tank disposed below the buffer tank; a first drain supply line that connects a load device and the buffer tank; a second drain supply line that connects the buffer tank and the assist tank; a drain supply valve; a communication line that establishes communication between the assist tank and the buffer tank; a communication valve; a steam supply line that supplies steam from a boiler to the assist tank; a steam supply valve; a feedwater line that supplies drain from the assist tank to the boiler; and a feedwater pump.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: August 22, 2017
    Assignee: MIURA CO., LTD.
    Inventors: Sohei Akinaga, Hiroyuki Hatanaka, Koji Nagai, Tomohiro Ookubo, Tetsuji Namato
  • DRAINAGE COLLECTION SYSTEM
    Publication number: 20140338615
    Abstract: There is provided a drain recovery system with which power for driving a feedwater pump can be reduced and the feedwater pump can be driven at low costs. The drain recovery system includes: a buffer tank; an assist tank disposed below the buffer tank; a first drain supply line that connects a load device and the buffer tank; a second drain supply line that connects the buffer tank and the assist tank; a drain supply valve; a communication line that establishes communication between the assist tank and the buffer tank; a communication valve; a steam supply line that supplies steam from a boiler to the assist tank; a steam supply valve; a feedwater line that supplies drain from the assist tank to the boiler; and a feedwater pump.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 20, 2014
    Applicant: MIURA CO., LTD.
    Inventors: Sohei Akinaga, Hiroyuki Hatanaka, Koji Nagai, Tomohiro Ookubo, Tetsuji Namato