Patents by Inventor Marco Hoerl

Marco Hoerl 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).

  • On-load tap changer, regulating transformer with on-load tap changer, and method for connecting an on-load tap changer
    Patent number: 11177086
    Abstract: An on-load tap changer includes: a fine selector, including: fixed contacts having a commutation contact, connectable with a main winding, and tap contacts, connectable with an associated tap of regulating windings; first and second arms that selectably contact the fixed contacts; a preselector, switchable between first and second settings, connectable with the regulating and main windings, and having: first, second, and third preselector fixed contacts, connectable in the first setting with the first preselector fixed contact and in the second setting with the second preselector fixed contact; and a load changeover switch, switchable between first and second changeover settings, and including: a first terminal connected with the first arm, a second terminal connected with the second arm, and a diverter line connected in the first changeover setting with the first terminal and in the second changeover setting with the second terminal.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: November 16, 2021
    Assignee: MASCHINENFABRIK REINHAUSEN GMBH
    Inventors: Andreas Stocker, Marco Hoerl, Christian Hammer
  • ON-LOAD TAP CHANGER, REGULATING TRANSFORMER WITH ON-LOAD TAP CHANGER, AND METHOD FOR CONNECTING AN ON-LOAD TAP CHANGER
    Publication number: 20190228922
    Abstract: An on-load tap changer includes: a fine selector, including: fixed contacts having a commutation contact, connectable with a main winding, and tap contacts, connectable with an associated tap of regulating windings; first and second arms that selectably contact the fixed contacts; a preselector, switchable between first and second settings, connectable with the regulating and main windings, and having: first, second, and third preselector fixed contacts, connectable in the first setting with the first preselector fixed contact and in the second setting with the second preselector fixed contact; and a load changeover switch, switchable between first and second changeover settings, and including: a first terminal connected with the first arm, a second terminal connected with the second arm, and a diverter line connected in the first changeover setting with the first terminal and in the second changeover setting with the second terminal.
    Type: Application
    Filed: September 7, 2017
    Publication date: July 25, 2019
    Inventors: Andreas Stocker, Marco Hoerl, Christian Hammer