Patents by Inventor Eiiji Murakami

Eiiji Murakami 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).

  • Heat transfer tube panel module and method of constructing exhaust heat recovery boiler using the module
    Patent number: 7275503
    Abstract: A method of constructing an exhaust heat recovery boiler. A required number of heat transfer tube group panel modules (20) are produced in an appropriate size according to design specifications of HRSG, where the heat transfer tube group panel modules (20) each have a large number of heat transfer tubes (6), heat transfer tube group panels (23) constituted of upper and lower collection tubes (7, 8) for the heat transfer tubes (6), a casing (1) for the heat transfer tube group panels (23), heat transfer tube group panel supporting beams (22) provided outside a ceiling wall portion of the casing (1), and a vertical and horizontal module frames (24, 25) provided outside the casing (1). Main frames for supporting the modules (20), including main pillars (33), main beams (34), and bottom wall portion pillars (36), are constructed in advance in a construction site of the heat recovery boiler (HRSG).
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: October 2, 2007
    Assignee: Babcock-Hitachi Kabushiki Kaisha
    Inventors: Isao Waseda, Yuzuru Yoshimoto, Yoshiki Kitahashi, Toshinori Shigenaka, Mitsugi Musashi, Toru Nishioka, Tatsuo Kiriyama, Eiiji Murakami