Patents by Inventor Claudio Ampala

Claudio Ampala 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).

  • Device for measuring the number of revolutions of the shaft of a permanent magnet electric motor
    Patent number: 5172048
    Abstract: The device measures the number of revolutions completed by the shaft of a permanent magnet electric motor in a period of time during which it is set in motion by the effect of its connection to a respective electrical supply source, essentially by means of calculation of the integral of the counter-electromotive force which the motor develops in the aforementioned period of time.
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: December 15, 1992
    Assignee: Fiat Auto S.p.A.
    Inventors: Eraldo Giaccardi, Vito Scartezzini, Claudio Ampala