Patents by Inventor Abraham AHMADI

Abraham AHMADI 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).

  • Tap changer, force-storage unit, and controlled-backlash coupling therebetween
    Patent number: 10192693
    Abstract: An energy accumulator (15) for or in an on-load tap changer (10) comprises a motor (11) with an output shaft (12) and a load diverter switch (13) with an input shaft (14), comprising an elastic storage element (17); a transmission coupled to the storage element (17) and having an input hub (201) that can be rotationally fixed to the output shaft (12); an output hub (231) that can be rotationally fixed to the input shaft (14); and a variable transmission (20, 21) interposed between the input hub (201) and the storage element (17).
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: January 29, 2019
    Assignee: MASCHINENFABRIK REINHAUSEN GMBH
    Inventors: Stefan Herold, Klaus Hoepfl, Gregor Wilhelm, Abraham Ahmadi
  • TAP CHANGER AND FORCE-STORAGE UNIT THEREFOR
    Publication number: 20180040434
    Abstract: An energy accumulator (15) for or in an on-load tap changer (10) comprises a motor (11) with an output shaft (12) and a load diverter switch (13) with an input shaft (14), comprising an elastic storage element (17); a transmission coupled to the storage element (17) and having an input hub (201) that can be rotationally fixed to the output shaft (12); an output hub (231) that can be rotationally fixed to the input shaft (14); and a variable transmission (20, 21) interposed between the input hub (201) and the storage element (17).
    Type: Application
    Filed: March 2, 2016
    Publication date: February 8, 2018
    Inventors: Stefan HEROLD, Klaus HOEPEL, Gregor WILHELM, Abraham AHMADI