Patents by Inventor Catalin Florin Gemanaru

Catalin Florin Gemanaru 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).

  • Power structure diagnostic method and apparatus for improved motor drive diagnostic coverage
    Patent number: 9653910
    Abstract: Motor drive diagnostic and control methods and apparatus are provided in which rectifier and inverter switching devices are individually monitored for malfunctions, and detected malfunctions initiate implementation of a safety function to signal a drive controller to shut down non-safety-related processing, to discontinue command pulse signaling to the switching devices, and to disable optical transmitters between the drive controller and the rectifier and inverter switches, and an input contactor or other switching circuit is opened to disconnect input power from the motor drive after implementation of the safety function.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: May 16, 2017
    Assignee: Rockwell Automation Technologies, Inc.
    Inventors: Reginald A. Drake, Angelo Bortolus, Marius G. Chis, John David Allan, Zhongyuan Cheng, Catalin Florin Gemanaru
  • POWER STRUCTURE DIAGNOSTIC METHOD AND APPARATUS FOR IMPROVED MOTOR DRIVE DIAGNOSTIC COVERAGE
    Publication number: 20160141865
    Abstract: Motor drive diagnostic and control methods and apparatus are provided in which rectifier and inverter switching devices are individually monitored for malfunctions, and detected malfunctions initiate implementation of a safety function to signal a drive controller to shut down non-safety-related processing, to discontinue command pulse signaling to the switching devices, and to disable optical transmitters between the drive controller and the rectifier and inverter switches, and an input contactor or other switching circuit is opened to disconnect input power from the motor drive after implementation of the safety function.
    Type: Application
    Filed: May 20, 2015
    Publication date: May 19, 2016
    Applicant: ROCKWELL AUTOMATION TECHNOLOGIES, INC.
    Inventors: Reginald A. Drake, Angelo Bortolus, Marius G. Chis, David J. Allan, Zhongyuan Cheng, Catalin Florin Gemanaru
  • Methods and apparatus for flux dispersal in link inductor
    Patent number: 7692524
    Abstract: Inductors are described for motor drives or other power converters having an inductor connected in a switching circuit, with one or more conductive shields positioned between an inductor coil winding and a flux-carrying inductor core leg to redirect flux away from the coil winding so as to inhibit heating of the coil.
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: April 6, 2010
    Assignee: Rockwell Automation Technologies, Inc.
    Inventors: David Donald Miller, Loris Michael Dalfuoco, Yuan Xiao, Catalin Florin Gemanaru
  • METHODS AND APPARATUS FOR FLUX DISPERSAL IN LINK INDUCTOR
    Publication number: 20080007385
    Abstract: Inductors are described for motor drives or other power converters having an inductor connected in a switching circuit, with one or more conductive shields positioned between an inductor coil winding and a flux-carrying inductor core leg to redirect flux away from the coil winding so as to inhibit heating of the coil.
    Type: Application
    Filed: July 10, 2006
    Publication date: January 10, 2008
    Applicant: ROCKWELL AUTOMATION TECHNOLOGIES, INC.
    Inventors: David Donald Miller, Loris Michael Dalfuoco, Yuan Xiao, Catalin Florin Gemanaru