Patents by Inventor Roger Carlos Bacerra

Roger Carlos Bacerra 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).

  • HYBRID DRIVE CIRCUIT FOR VARIABLE SPEED INDUCTION MOTOR SYSTEM AND METHODS OF CONTROL
    Publication number: 20190006977
    Abstract: Controllers for controlling hybrid motor drive circuits configured to drive a motor are provided herein. A controller is configured to drive the motor using an inverter when a motor commanded frequency is not within a predetermined range of line input power frequencies, and couple line input power to an output of the inverter using a first switch device when the motor commanded frequency is within the predetermined range of line input power frequencies.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 3, 2019
    Inventors: Ludovic Andre Chretien, Roger Carlos Bacerra, Kamron Mark Wright, Lester Benjamin Manz