Patents by Inventor Paolo BELLI

Paolo BELLI 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).

  • System having a first electric motor and a second electric motor for driving a string
    Patent number: 9973117
    Abstract: An exemplary system includes a first electric motor and a second electric motor, which are coupled mechanically to one another via a common string of the system. The string has a torsional natural oscillation at a natural frequency. A first oscillating torque acts on the string by the first electric motor and a second oscillating torque acts on the string by the second electric motor. The second electric motor is arranged with respect to the first electric motor such that the effect of the second oscillating torque on the string results in damping of the excitation of the natural oscillation owing to the first oscillating torque.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: May 15, 2018
    Assignee: ABB SCHWEIZ AG
    Inventors: Joerg Pieder, Paolo Belli
  • SYSTEM HAVING A FIRST ELECTRIC MOTOR AND A SECOND ELECTRIC MOTOR FOR DRIVING A STRING
    Publication number: 20150244293
    Abstract: An exemplary system includes a first electric motor and a second electric motor, which are coupled mechanically to one another via a common string of the system. The string has a torsional natural oscillation at a natural frequency. A first oscillating torque acts on the string by the first electric motor and a second oscillating torque acts on the string by the second electric motor. The second electric motor is arranged with respect to the first electric motor such that the effect of the second oscillating torque on the string results in damping of the excitation of the natural oscillation owing to the first oscillating torque.
    Type: Application
    Filed: May 7, 2015
    Publication date: August 27, 2015
    Applicant: ABB TECHNOLOGY AG
    Inventors: Joerg PIEDER, Paolo BELLI