Patents by Inventor Tsugio Suzuki

Tsugio Suzuki 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).

  • Control system for gas turbine
    Patent number: 6442928
    Abstract: A control method of a gas turbine provided with a plurality of combustors each of which has a first stage combustion part effecting diffusion combustion and a second stage combustion part effecting premixed combustion, comprises: monitoring a quantity of state representative of the combustion condition of the combustor or gas turbine, and regarding the combustion condition as being abnormal combustion when the quantity of state exceeds an allowable value and lowering gas turbine load to a predetermined partial load, thereby to continue the operation.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: September 3, 2002
    Assignee: Hitachi, Ltd.
    Inventors: Tomoyoshi Endo, Hideaki Kaneda, Yotaro Kimura, Yasutaka Komatsu, Tsugio Suzuki
  • Control method of gas turbine
    Publication number: 20020033014
    Abstract: A control method of a gas turbine provided with a plurality of combustors each of which has a first stage combustion part effecting diffusion combustion and a second stage combustion part effecting premixed combustion, comprises: monitoring a quantity of state representative of the combustion condition of the combustor or gas turbine, and regarding the combustion condition as being abnormal combustion when the quantity of state exceeds an allowable value and lowering gas turbine load to a predetermined partial load, thereby to continue the operation.
    Type: Application
    Filed: December 3, 2001
    Publication date: March 21, 2002
    Inventors: Tomoyoshi Endo, Hideaki Kaneda, Yotaro Kimura, Yasutaka Komatsu, Tsugio Suzuki
  • Control method for gas turbine load
    Patent number: 6338240
    Abstract: A control method of a gas turbine provided with a plurality of combustors each of which has a first stage combustion part effecting diffusion combustion and a second stage combustion part effecting premixed combustion, includes monitoring a quantity of state representative of the combustion condition of the combustor or gas turbine, and regarding the combustion condition as being abnormal combustion when the quantity of state exceeds an allowable value and lowering gas turbine load to a predetermined partial load, thereby to continue the operation.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: January 15, 2002
    Assignee: Hitachi, Ltd.
    Inventors: Tomoyoshi Endo, Hideaki Kaneda, Yotaro Kimura, Yasutaka Komatsu, Tsugio Suzuki
  • Cassette for thermal transcription film
    Patent number: 5100250
    Abstract: A thermal transcription film cassette for use in a thermal transcription recording device. Engagement portions on three of four ends of a pair of spools are formed into the same shapes, with an ink film being wound around the pair of spools. Engagement portions on one of the four ends of the pair of spools are formed into shapes which are different from the shapes of the engagement portions on the remaining three ends of the spools. When the pair of spools are mounted in the cassette, they are prevented from being erroneously mounted.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: March 31, 1992
    Assignee: Hitachi, Ltd.
    Inventors: Tsugio Suzuki, Akira Shimizu