Patents by Inventor Moritatsu Nishimura

Moritatsu Nishimura 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).

  • Nozzle mounting structure
    Patent number: 8867688
    Abstract: [Problem] To facilitate mounting of a nozzle. [Solving Means] In a nozzle mounting structure for mounting a nozzle 20 penetrating through a reactor vessel 10 having a hemispherical concave inner surface, the nozzle mounting structure includes a removed concave portion 17 in which a base material 12 on an inner surface side of the reactor vessel 10 is removed in a symmetrical shape around a normal line N on the hemispherical concave inner surface of the reactor vessel 10, a flange 25 provided on the nozzle 20, formed in a same symmetrical shape as that of the removed concave portion 17 around the normal line N, and inserted into the removed concave portion 17, and a weld part 18 provided around the normal line N for welding the flange 25 to the reactor vessel 10.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: October 21, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Nobuyuki Hori, Ryuichi Narita, Moritatsu Nishimura, Harutaka Suzuki, Koji Okimura
  • NOZZLE MOUNTING STRUCTURE
    Publication number: 20110194663
    Abstract: [Problem] To facilitate mounting of a nozzle. [Solving Means] In a nozzle mounting structure for mounting a nozzle 20 penetrating through a reactor vessel 10 having a hemispherical concave inner surface, the nozzle mounting structure includes a removed concave portion 17 in which a base material 12 on an inner surface side of the reactor vessel 10 is removed in a symmetrical shape around a normal line N on the hemispherical concave inner surface of the reactor vessel 10, a flange 25 provided on the nozzle 20, formed in a same symmetrical shape as that of the removed concave portion 17 around the normal line N, and inserted into the removed concave portion 17, and a weld part 18 provided around the normal line N for welding the flange 25 to the reactor vessel 10.
    Type: Application
    Filed: January 18, 2011
    Publication date: August 11, 2011
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Nobuyuki Hori, Ryuichi Narita, Moritatsu Nishimura, Harutaka Suzuki, Koji Okimura