Patents by Inventor Anders Döragrip

Anders Döragrip 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).

  • Patent number: 12062906
    Abstract: The present disclosure relates to an IED configured for use as a protection relay in an electric power system. The IED comprises a plurality of cassettes connected to a backplane, with at least two cassettes mounted adjacent each other. Each of the cassettes comprises a housing profile in the form of a rectangular tube having an envelope wall of a heat conducting material, and at least one electronic card arranged in a card slot within the tube formed by the housing profile, which at least one card is electrically connected to the backplane. Adjacent cassettes are separated a distance such that air canals are formed between their respective housing profiles.
    Type: Grant
    Filed: October 12, 2019
    Date of Patent: August 13, 2024
    Assignee: Hitachi Energy Ltd.
    Inventors: Fredrik Alfredsson, Jimmy Kjellsson, Ryan Mackenzie, Mårten Olsson, Anders Döragrip
  • Publication number: 20210367420
    Abstract: The present disclosure relates to an IED configured for use as a protection relay in an electric power system. The IED comprises a plurality of cassettes connected to a backplane, with at least two cassettes mounted adjacent each other. Each of the cassettes comprises a housing profile in the form of a rectangular tube having an envelope wall of a heat conducting material, and at least one electronic card arranged in a card slot within the tube formed by the housing profile, which at least one card is electrically connected to the backplane. Adjacent cassettes are separated a distance such that air canals are formed between their respective housing profiles.
    Type: Application
    Filed: October 12, 2019
    Publication date: November 25, 2021
    Inventors: Fredrik Alfredsson, Jimmy Kjellsson, Ryan Mackenzie, Mårten Olsson, Anders Döragrip