Patents by Inventor John Lindtjorn

John Lindtjorn 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).

  • DC-power system with system protection capabilities
    Patent number: 9735573
    Abstract: A DC-power system including a main DC bus, a power generating unit arranged to feed the main DC bus, an isolator switch arranged between the main DC bus and the power generating unit for isolating the power generating unit from the main DC bus in case of a main DC bus fault, a drive unit arranged to be fed by the main DC bus, wherein the drive unit includes a drive unit bus system, converter units connected to the drive unit bus system, and fuses arranged between the drive unit bus system and the converter units for protecting the converter units in case of a drive unit fault.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: August 15, 2017
    Assignee: ABB Schweiz AG
    Inventor: John Lindtjorn
  • DC-Power System With System Protection Capabilities
    Publication number: 20140361621
    Abstract: A DC-power system including a main DC bus, a power generating unit arranged to feed the main DC bus, an isolator switch arranged between the main DC bus and the power generating unit for isolating the power generating unit from the main DC bus in case of a main DC bus fault, a drive unit arranged to be fed by the main DC bus, wherein the drive unit includes a drive unit bus system, converter units connected to the drive unit bus system, and fuses arranged between the drive unit bus system and the converter units for protecting the converter units in case of a drive unit fault.
    Type: Application
    Filed: August 27, 2014
    Publication date: December 11, 2014
    Inventor: John Lindtjorn