Patents by Inventor Futoshi Yonezawa

Futoshi Yonezawa 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).

  • Patent number: 8894014
    Abstract: A firing prevention structure of a fuel tank is provided with a double sleeve to pass through a hole formed in a rib, and a supporting structure to support a pipe to pass through the double sleeve. The supporting structure is attached to the rib. The supporting structure is provided with an insulating section which electrically insulates the pipe and the rib. The double sleeve is formed of electrically insulating material. Thus, an ignition source in the fuel tank is prevented.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: November 25, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventor: Futoshi Yonezawa
  • Publication number: 20120012709
    Abstract: A firing prevention structure of a fuel tank is provided with a double sleeve to pass through a hole formed in a rib, and a supporting structure to support a pipe to pass through the double sleeve. The supporting structure is attached to the rib. The supporting structure is provided with an insulating section which electrically insulates the pipe and the rib. The double sleeve is formed of electrically insulating material. Thus, an ignition source in the fuel tank is prevented.
    Type: Application
    Filed: February 17, 2010
    Publication date: January 19, 2012
    Inventor: Futoshi Yonezawa