Patents by Inventor Jayaraman Sivakumar

Jayaraman Sivakumar 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).

  • Method for simulating transient heat transfer and temperature distribution of aluminum castings during water quenching
    Patent number: 8447574
    Abstract: The invention relates to a method for estimating heat transfer during water quench of an aluminum part. The method includes: estimating the heat transfer of the aluminum part when a temperature of the part is greater than 500° C. using q=?(?T)??(1); estimating the heat transfer of the aluminum part when the temperature of the part is greater than T2 and less than 500° C.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: May 21, 2013
    Assignee: GM Global Technology Operations LLC
    Inventors: Qigui Wang, Cherng-Chi Chang, Jayaraman Sivakumar, Michael R. Harper
  • METHOD FOR SIMULATING TRANSIENT HEAT TRANSFER AND TEMPERATURE DISTRIBUTION OF ALUMINUM CASTINGS DURING WATER QUENCHING
    Publication number: 20120041726
    Abstract: The invention relates to a method for estimating heat transfer during water quench of an aluminum part. The method includes: estimating the heat transfer of the aluminum part when a temperature of the part is greater than 500° C. using q=?(?T) ??(1); estimating the heat transfer of the aluminum part when the temperature of the part is greater than T2 and less than 500° C.
    Type: Application
    Filed: August 13, 2010
    Publication date: February 16, 2012
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Qigui Wang, Cherng-Chi Chang, Jayaraman Sivakumar, Michael R. Harper