Patents by Inventor Prakash Haribhai Desai

Prakash Haribhai Desai 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).

  • Patent number: 8556011
    Abstract: A hybrid powertrain system includes an engine, an electric machine, a power electronics device including a plurality of electric circuit layers, and a cooling system. A method for managing thermal energy in the power electronics device includes monitoring a plurality of temperature sensors in the power electronics device, monitoring electric power into and out of the power electronics device, predicting temperatures for the plurality of electric circuit layers, and controlling the hybrid powertrain system based upon the predicted temperatures for the plurality of electric circuit layers.
    Type: Grant
    Filed: October 22, 2008
    Date of Patent: October 15, 2013
    Assignees: GM Global Technology Operations LLC, Daimler AG, Chrysler Group LLC, Bayerusche Motoren Werke Aktiengesellschaft
    Inventors: Mohammad N Anwar, Prakash Haribhai Desai, Sean E Gleason, Brian A Welchko
  • Publication number: 20090115491
    Abstract: A hybrid powertrain system includes an engine, an electric machine, a power electronics device including a plurality of electric circuit layers, and a cooling system. A method for managing thermal energy in the power electronics device includes monitoring a plurality of temperature sensors in the power electronics device, monitoring electric power into and out of the power electronics device, predicting temperatures for the plurality of electric circuit layers, and controlling the hybrid powertrain system based upon the predicted temperatures for the plurality of electric circuit layers.
    Type: Application
    Filed: October 22, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Byerishe Motoren Werke Aktiengesellschaft
    Inventors: Mohammad N. Anwar, Prakash Haribhai Desai, Sean E. Gleason, Brian A. Welchko