Patents by Inventor Mohamed El Dib

Mohamed El Dib 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 OF IMPROVING PERFORMANCE OF SMA ACTUATOR
    Publication number: 20120046791
    Abstract: A method of improving the speed and consistency of response of a shape memory alloy actuator under varying ambient and operating conditions. The method includes probing the shape memory alloy by periodically determining an electric signal strength at which it will undergo forward or reverse phase transformation, while avoiding actual phase transformation; priming the shape memory alloy by bringing it close to phase transformation; initiating phase transformation; and maintaining the shape memory alloy in the phase transformed state. The electric signal strength at which the shape memory alloy will undergo phase transformation is determined by identifying a cusp feature in the electric resistance of the shape memory alloy which closely precedes phase transformation.
    Type: Application
    Filed: August 23, 2010
    Publication date: February 23, 2012
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Xiujie Gao, Alan L. Browne, Nancy L. Johnson, Guillermo A. Herrera, Geoffrey P. Mc Knight, Robert B. Gorbet, Hien K. Goi, Eric Gregory Kubica, Mohamed El Dib, Vidyashankar R. Buravalla, Ashish Khandelwal