Patents by Inventor Masashi Tagomori

Masashi Tagomori 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).

  • Vortex prevention apparatus in pump
    Patent number: 6533543
    Abstract: A vortex prevention apparatus is combined with a pump, and prevents an air entrained vortex or a submerged vortex from being produced when water in the pump pit is pumped up by a pump. A suction member is disposed in an open water channel and has a suction port. An auxiliary flow-path forming structure is disposed substantially concentrically around the suction member with a gap defined between the auxiliary flow-path forming structure and an outer circumferential surface of the suction member.
    Type: Grant
    Filed: January 31, 2001
    Date of Patent: March 18, 2003
    Assignee: Ebara Corporation
    Inventors: Masashi Tagomori, Takashi Enomoto, Tsuyoshi Tomita, Hiroyuki Kato
  • Vortex prevention apparatus in pump
    Publication number: 20010018023
    Abstract: A vortex prevention apparatus is combined with a pump, and prevents an air entrained vortex or a submerged vortex from being produced when water in the pump pit is pumped up by a pump. A suction member is disposed in an open water channel and has a suction port. An auxiliary flow-path forming structure is disposed substantially concentrically around the suction member with a gap defined between the auxiliary flow-path forming structure and an outer circumferential surface of the suction member.
    Type: Application
    Filed: January 31, 2001
    Publication date: August 30, 2001
    Inventors: Masashi Tagomori, Takashi Enomoto, Tsuyoshi Tomita, Hiroyuki Kato