Patents by Inventor Shigeyuki Yamazaki

Shigeyuki Yamazaki 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).

  • Combustion apparatus
    Patent number: 4474551
    Abstract: A combustion apparatus which includes tertiary air chambers are formed on both sides of a secondary combustion chamber, with tertiary air being supplied to a combustion flame produced within the secondary combustion chamber. The secondary combustion chamber has a flow channel width greater than a width of an opening in a throttle plate provided on the upstream side thereof, thereby achieving universality with respect to enabling use of various fuel and to increase the capacity of the combustion apparatus while reducing the size thereof.
    Type: Grant
    Filed: May 24, 1982
    Date of Patent: October 2, 1984
    Assignee: Hitachi, Ltd.
    Inventors: Kazumi Iwai, Tadashi Shinozaki, Yoshio Okamoto, Hiroshi Inoue, Yoshifumi Kunugi, Shigeyuki Yamazaki
  • Low Btu gas burner
    Patent number: 4435153
    Abstract: A burner for burning a low Btu gas including at least one set of fine ducts and at least one combustion chamber disposed on the downstream side of the set of fine ducts for obtaining combustion of the low Btu gas. Combustion gas produced in the combustion chamber heats the combustion chamber and the set of fine ducts through a wall of a combustor.
    Type: Grant
    Filed: July 20, 1981
    Date of Patent: March 6, 1984
    Assignee: Hitachi, Ltd.
    Inventors: Takashi Hashimoto, Shigeyuki Yamazaki
  • Combustion apparatus
    Patent number: 4329139
    Abstract: A combustion apparatus comprising a flame nozzle face of the burner being provided in a combustion chamber to face toward an opening of a throttled part provided within a burner frame, a mixed gas being injected into the combustion chamber from the flame nozzle at the flame nozzle face and at the same time a secondary air being supplied from both sides of the flame nozzle face, wherein optimum dimensional ranges of respective parts in combustion section are clarified and complete combustion is ensured thereby for any kind of fuel.
    Type: Grant
    Filed: August 28, 1979
    Date of Patent: May 11, 1982
    Assignee: Hitachi, Ltd.
    Inventors: Tadashi Shinozaki, Takashi Hashimoto, Shigeyuki Yamazaki