Patents by Inventor JUSTIN ROWDEN

JUSTIN ROWDEN 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).

  • Publication number: 20220081091
    Abstract: A hybrid power generation plant system and method are disclosed, the system including but not limited to a plurality of diesel engines; an electrical bus switchably attached to the diesel engines, batteries switchably attached to the electrical bus; a tug boat propulsion load attached to the electrical bus; a diesel engine and a battery; a processor the executes a computer program; instructions to determine a current system load serviced by power provided from the hybrid power source; instructions to determine a current operating state for the diesel engine and the battery; instructions to determine a new operating state for the diesel engine and the battery to reduce power consumption servicing the current system load the diesel engine and the battery; and instructions to replace the current operating state for the diesel engine and the battery to the new operating state for the diesel engine and the battery.
    Type: Application
    Filed: September 24, 2021
    Publication date: March 17, 2022
    Applicant: ELECTRONIC POWER DESIGN, INC.
    Inventors: John Bradford Janik, Berry JUSTIN ROWDEN, CHARLES SUTHERLAND, Prince VARGHESE, Felix GONZALEZ
  • Patent number: 10541536
    Abstract: A system for variable speed drives using generators adjusting the motor frequency having a plurality of main generators 1, 2, 3 and 4 as the means of adjusting a plurality of AC motors frequency, a processor is provided that opens a main bus tie breaker in a power system to create two separate power systems, power source A and power source B, wherein power source a is powered by a generator 1 and a generator 2. and power source b is powered by a generator 3 and a generator 4, wherein the generators 1-4 are configured to operate on a droop curve wherein the output frequency of the generator is slightly reduced as the load increases.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: January 21, 2020
    Assignee: Electronic Power Design, Inc.
    Inventor: Justin Rowden
  • Patent number: 9938119
    Abstract: A method and apparatus are disclosed for retrofitting a pedestal crane, the method comprising removing an existing motor generator controller for a motor in the pedestal crane; and replacing the motor generator controller with a digital controller.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: April 10, 2018
    Assignee: Electronic Power Design, Inc.
    Inventor: Berry Justin Rowden
  • Publication number: 20170338660
    Abstract: A system for variable speed drives using generators adjusting the motor frequency having a plurality of main generators 1, 2, 3 and 4 as the means of adjusting a plurality of AC motors frequency, a processor is provided that opens a main bus tie breaker in a power system to create two separate power systems, power source A and power source B, wherein power source a is powered by a generator 1 and a generator 2. and power source b is powered by a generator 3 and a generator 4, wherein the generators 1-4 are configured to operate on a droop curve wherein the output frequency of the generator is slightly reduced as the load increases.
    Type: Application
    Filed: April 17, 2017
    Publication date: November 23, 2017
    Applicant: Electronic Power Design, Inc.
    Inventor: JUSTIN ROWDEN
  • Publication number: 20150142177
    Abstract: A method and apparatus are disclosed for retrofitting a pedestal crane, the method comprising removing an existing motor generator controller for a motor in the pedestal crane; and replacing the motor generator controller with a digital controller.
    Type: Application
    Filed: July 28, 2014
    Publication date: May 21, 2015
    Applicant: Electronics Power Design, Inc.
    Inventor: BARRY JUSTIN ROWDEN