Patents by Inventor Maddalena Cirani

Maddalena Cirani 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).

  • Rotor of an electric machine with embedded permanent magnets and electric machine
    Patent number: 8896175
    Abstract: A rotor for an electric machine excited by magnetic poles formed by one or more embedded permanent magnets includes a magnetic body and the one or more embedded permanent magnets associated with the magnetic body defining first magnetic poles and second magnetic poles of alternating magnetic polarity along a rotor direction. For at least one of the one or more embedded permanent magnets a rotor segment is arranged between the one or more embedded permanent magnets and a first surface of the magnetic body. At least one retainer element connects the rotor segment to a portion of the magnetic body.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: November 25, 2014
    Assignee: Volvo Technology Corporation
    Inventors: Maddalena Cirani, Sture Eriksson
  • ROTOR OF AN ELECTRIC MACHINE WITH EMBEDDED PERMANENT MAGNETS AND ELECTRIC MACHINE
    Publication number: 20130026872
    Abstract: A rotor for an electric machine excited by magnetic poles formed by one or more embedded permanent magnets includes a magnetic body and the one or more embedded permanent magnets associated with the magnetic body defining first magnetic poles and second magnetic poles of alternating magnetic polarity along a rotor direction. For at least one of the one or more embedded permanent magnets a rotor segment is arranged between the one or more embedded permanent magnets and a first surface of the magnetic body. At least one retainer element connects the rotor segment to a portion of the magnetic body.
    Type: Application
    Filed: March 30, 2010
    Publication date: January 31, 2013
    Applicant: VOLVO TECHNOLOGY CORPORATION
    Inventors: Maddalena Cirani, Sture Eriksson