Patents by Inventor John Zhongzhi Hu

John Zhongzhi Hu 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).

  • WIND TURBINE AND METHOD FOR DETERMINING PARAMETERS OF WIND TURBINE
    Publication number: 20120303277
    Abstract: A wind turbine includes multiple blades, multiple Micro Inertial Measurement Units (MIMUs) mounted on each of the blades and sensing parameter signals of the blades, and a parameter processing unit receiving sensed parameter signals from the MIMUs and determining parameters of the blades according to the sensed parameter signals.
    Type: Application
    Filed: May 25, 2012
    Publication date: November 29, 2012
    Inventors: Xu FU, Hai Qiu, Yao Chen, John Zhongzhi Hu, Zili Cai
  • Method and apparatus for fuel cell system fault detection
    Patent number: 6835478
    Abstract: A method of detecting faults in a fuel cell system, the method comprising: comparing a plurality of fuel cell measurements to respective ones of a plurality of range limits to yield a plurality of range flags; differentiating the fuel cell measurements to yield a plurality of fuel cell rates; comparing the fuel cell rates to respective ones of a plurality of rate limits to yield a plurality of rate flags; and classifying the range flags and the rate flags to yield a fault detection decision.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: December 28, 2004
    Assignee: General Electric Company
    Inventors: John Zhongzhi Hu, Nishith Pramod Vora, George Charles Goodman
  • Method and apparatus for fuel cell system fault detection
    Publication number: 20030228506
    Abstract: A method of detecting faults in a fuel cell system, the method comprising: comparing a plurality of fuel cell measurements to respective ones of a plurality of range limits to yield a plurality of range flags; differentiating the fuel cell measurements to yield a plurality of fuel cell rates; comparing the fuel cell rates to respective ones of a plurality of rate limits to yield a plurality of rate flags; and classifying the range flags and the rate flags to yield a fault detection decision.
    Type: Application
    Filed: June 11, 2002
    Publication date: December 11, 2003
    Applicant: General Electric Company
    Inventors: John Zhongzhi Hu, Nishith Pramod Vora, George Charles Goodman