Patents by Inventor Francesco Grisotolo

Francesco Grisotolo 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).

  • Saddle-ride type vehicle comprising a clutch assembly and a control device for said clutch assembly
    Patent number: 11933374
    Abstract: The present invention relates to a saddle-ride type vehicle comprising a clutch assembly (4), interposed between an engine (2) and a gearbox (3), which includes a clutch device (11) in turn comprising two clutch elements (one integral with the shaft of the engine and the other with the input shaft of the gearbox) and return means (12) that keep these elements (11A, 11B) in contact in a closure condition of the clutch. According to the invention, the clutch assembly (4) further comprises an operating device (21) of the clutch device that causes detachment of the elements (11A, 11B) of the clutch device up to an opening condition of the clutch assembly. This latter further comprises a control device (6) to limit the torque peaks during gear change.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: March 19, 2024
    Assignee: Piaggio & C. S.p.A.
    Inventors: Romano Albesiano, Walter Scattolin, Francesco Grisotolo
  • A SADDLE-RIDE TYPE VEHICLE COMPRISING A CLUTCH ASSEMBLY AND A CONTROL DEVICE FOR SAID CLUTCH ASSEMBLY
    Publication number: 20230279910
    Abstract: The present invention relates to a saddle-ride type vehicle comprising a clutch assembly (4), interposed between an engine (2) and a gearbox (3), which includes a clutch device (11) in turn comprising two clutch elements (one integral with the shaft of the engine and the other with the input shaft of the gearbox) and return means (12) that keep these elements (11A, 11B) in contact in a closure condition of the clutch. According to the invention, the clutch assembly (4) further comprises an operating device (21) of the clutch device that causes detachment of the elements (11A, 11B) of the clutch device up to an opening condition of the clutch assembly. This latter further comprises a control device (6) to limit the torque peaks during gear change.
    Type: Application
    Filed: August 3, 2021
    Publication date: September 7, 2023
    Inventors: Romano Albesiano, Walter Scattolin, Francesco Grisotolo