Patents by Inventor Kazufumi Kitamura

Kazufumi Kitamura 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).

  • Mixer for engine, air conditioning apparatus driven by engine, and power generation apparatus driven by engine
    Patent number: 7427056
    Abstract: A mixer for an engine includes a base portion having an intake passage in which the air flows, a fuel passage in which the fuel flows, and a mixing space in which the fuel and the air are mixed, and an axial hole which communicates with the mixing space, a first valve having an axial portion fitted in the axial hole of the base portion and rotatable in a circumferential direction of the axial portion, a center hole which is provided in the axial portion and communicates with the axial hole, and a first opening which is provided at the axial portion and communicates with the center hole, the first opening communicable with the fuel passage, and a first drive portion for rotating the first valve in a circumferential direction thereof relative to the axial hole for changing a communicating area of the first opening with the fuel passage.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: September 23, 2008
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Yasuhito Ohashi, Kazufumi Kitamura, Takashi Masuda
  • Mixer for engine, air conditioning apparatus driven by engine, and power generation apparatus driven by engine
    Publication number: 20060225715
    Abstract: A mixer for an engine includes a base portion having an intake passage in which the air flows, a fuel passage in which the fuel flows, and a mixing space in which the fuel and the air are mixed, and an axial hole which communicates with the mixing space, a first valve having an axial portion fitted in the axial hole of the base portion and rotatable in a circumferential direction of the axial portion, a center hole which is provided in the axial portion and communicates with the axial hole, and a first opening which is provided at the axial portion and communicates with the center hole, the first opening communicable with the fuel passage, and a first drive portion for rotating the first valve in a circumferential direction thereof relative to the axial hole for changing a communicating area of the first opening with the fuel passage.
    Type: Application
    Filed: April 4, 2006
    Publication date: October 12, 2006
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Yasuhito Ohashi, Kazufumi Kitamura, Takashi Masuda