Patents by Inventor Sam Han

Sam Han 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).

  • Switched reluctance motor control system
    Patent number: 10897217
    Abstract: A device may receive a current measurement of a motor identifying a plurality of component currents associated with a plurality of phases. The device may determine a position estimate for the motor based on the plurality of component currents associated with the plurality of phases. The device may control the motor based on the plurality of component currents.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: January 19, 2021
    Assignee: Caterpillar Inc.
    Inventors: Ahmed Khalil, Sam Han, James Thorne, Jesse Gerdes, Jackson Wai, Carlos Nino Baron, Sajan Abdul
  • SWITCHED RELUCTANCE MOTOR CONTROL SYSTEM
    Publication number: 20200067433
    Abstract: A device may receive a current measurement of a motor identifying a plurality of component currents associated with a plurality of phases. The device may determine a position estimate for the motor based on the plurality of component currents associated with the plurality of phases. The device may control the motor based on the plurality of component currents.
    Type: Application
    Filed: August 21, 2018
    Publication date: February 27, 2020
    Applicant: Caterpillar Inc.
    Inventors: Ahmed KHALIL, Sam HAN, James THORNE, Jesse GERDES, Jackson WAI, Carlos NINO BARON, Sajan ABDUL
  • Object holder
    Patent number: 6764053
    Abstract: A self-adjusting holder is described. The object holder comprises a frame and a plurality of arms pivotally attached to the frame. The arms have a lower member and an upper member, which are connected to each other at an angle.
    Type: Grant
    Filed: February 18, 2003
    Date of Patent: July 20, 2004
    Inventor: Sam Han