Patents by Inventor Valentin ECARD

Valentin ECARD 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).

  • Patent number: 10189561
    Abstract: A resonator provided with a heavy member comprising a casing fastened a spring blade. The heavy member comprises a set of masses that is movable in translation in said casing along a longitudinal direction. A wormscrew driven by drive means is engaged in a slider nut of said set of masses. The set of masses comprises two masses that are slidable respectively in two cylindrical spaces of the casing. Each mass presents at least two presser means interposed between the mass and the casing, each presser means comprising a groove formed in a circumference of a mass, each presser means comprising at least one resilient member arranged in said groove and a split ring pressed against the casing by said at least one resilient member of the presser means.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: January 29, 2019
    Assignee: AIRBUS HELICOPTERS
    Inventors: Claude Bocoviz, Valentin Ecard, Guillaume Inquiete, Alain Eberhard, Laurine Tailland
  • Publication number: 20180022447
    Abstract: A resonator provided with a heavy member comprising a casing fastened a spring blade. The heavy member comprises a set of masses that is movable in translation in said casing along a longitudinal direction. A wormscrew driven by drive means is engaged in a slider nut of said set of masses. The set of masses comprises two masses that are slidable respectively in two cylindrical spaces of the casing. Each mass presents at least two presser means interposed between the mass and the casing, each presser means comprising a groove formed in a circumference of a mass, each presser means comprising at least one resilient member arranged in said groove and a split ring pressed against the casing by said at least one resilient member of the presser means.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 25, 2018
    Applicant: AIRBUS HELICOPTERS
    Inventors: Claude BOCOVIZ, Valentin ECARD, Guillaume INQUIETE, Alain EBERHARD, Laurine TAILLAND