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    Timepiece movement comprising a rotating element provided with a magnetized structure having a periodic configuration
    11.
    发明授权
    Timepiece movement comprising a rotating element provided with a magnetized structure having a periodic configuration 有权

    公开(公告)号：US11822294B2

    公开(公告)日：2023-11-21

    申请号：US16891168

    申请日：2020-06-03

    Applicant: The Swatch Group Research and Development Ltd

    Inventor： Gianni Di Domenico ,  Marc Stranczl ,  Benoit Legeret ,  Rene Piguet

    IPC: G04C5/00 ,  G04B15/14

    CPC classification number: G04C5/005 ,  G04B15/14

    Abstract: A timepiece movement includes a magnetic escapement formed of a magnetic escape wheel with an annular magnetized structure and a pallet fork whose shaft is formed by a ferromagnetic material. The pallet shaft exerts on the escape wheel a magnetic disturbance torque due to the fact that the annular magnetized structure exhibits an angular variation of at least one defining physical parameter thereof, such that the magnetic attraction varies as a function of the angular position of the escape wheel and has a tangential component. A magnetic compensation pin is incorporated in the timepiece movement, this magnetic compensation pin being arranged such that the second magnetic disturbance torque that it exerts on the escape wheel exhibits an angular phase shift relative to the first magnetic disturbance torque generated by the pallet shaft, so as to compensate largely for this first magnetic disturbance torque.

    Device and method for adjusting the rate and correcting the state of display of a watch
    12.
    发明授权
    Device and method for adjusting the rate and correcting the state of display of a watch 有权

    公开(公告)号：US11334026B2

    公开(公告)日：2022-05-17

    申请号：US15948192

    申请日：2018-04-09

    Applicant: The Swatch Group Research and Development Ltd

    Inventor： Jerome Favre ,  Michel Willemin ,  Jean-Jacques Born ,  Dominique Lechot ,  Gianni Di Domenico

    IPC: G04B17/00 ,  G04D7/12 ,  G04B17/20

    Abstract: Method for adjusting the rate of a basic oscillator of a watch arranged to oscillate at a nominal frequency N0, with a master oscillator generating an excitation frequency NE approximately equal to an integer multiple of this nominal frequency N0, the master oscillator subjecting the watch to excitation or a modulated motion during a transition phase after which the basic oscillator is stabilised at the excitation frequency NE, and a state of display correction method with a winder for mechanical or automatic watches, moving a support carrying the watch and comprising a state of display correction oscillator, having a lower variation of rate value than the initial variation of rate value DI of this basic oscillator, and oscillating at a correction frequency NC to impose oscillation or a motion on the watch, during a state of display correction phase whose duration is adjusted to exactly correct a state of display error measured at the initial moment of actuation.

    Escapement with escape wheel with field ramps and non-return
    13.
    发明授权
    Escapement with escape wheel with field ramps and non-return 有权

    公开(公告)号：US10054908B2

    公开(公告)日：2018-08-21

    申请号：US15222517

    申请日：2016-07-28

    Applicant: The Swatch Group Research and Development Ltd

    Inventor： Gianni Di Domenico ,  Jerome Favre

    IPC: G04C3/04 ,  G04C3/06 ,  G04C5/00 ,  G04B11/02

    CPC classification number: G04C5/005 ,  G04B11/026 ,  G04C3/04 ,  G04C3/06 ,  G04C3/066 ,  G04C3/067 ,  G04C5/00

    Abstract: A timepiece escapement mechanism including a resonator and an escape wheel arranged to cooperate with this resonator directly or indirectly through a stopper forming part of this escapement mechanism, this escape wheel including a succession of tracks carrying magnetic or electrostatic field potential ramps arranged to cooperate with the resonator or respectively with the stopper, this escapement mechanism comprising a non-return device arranged to oppose the recoil of the escape wheel, and the stopper cooperates, on the one hand, with a plate forming part of the resonator and, on the other, with these magnetic or electrostatic field potential ramps by at least one pole shoe forming part of the stopper and arranged to move in the field corresponding to the magnetic or electrostatic field potential ramps.

    Horological movement comprising an escapement provided with a toothed wheel and a stopper
    17.
    发明授权
    Horological movement comprising an escapement provided with a toothed wheel and a stopper 有权

    公开(公告)号：US11934150B2

    公开(公告)日：2024-03-19

    申请号：US17221429

    申请日：2021-04-02

    Applicant: The Swatch Group Research and Development Ltd

    Inventor： Gianni Di Domenico ,  Gérard Surmely ,  Marc Stranczl

    IPC: G04B15/14 ,  G04B15/08 ,  G04B17/30

    CPC classification number: G04B15/14 ,  G04B15/08 ,  G04B17/30

    Abstract: A horological movement includes a resonator and an escapement wheel with flexible teeth, and an anchor formed of two mechanical pallets capable of abutting, when the anchor switches between its two rest positions, with any one of the flexible teeth depending on the angular position of the escapement wheel. Each flexible tooth is arranged to bend by undergoing an elastic deformation under a radial force that can be exerted by one of the two mechanical pallets abutting against this flexible tooth while the escapement wheel has an unfavourable angular position and the resonator is braked by the anchor. Each tooth has an elastic capacity to elastically absorb, in a radial direction, most of a maximum mechanical energy that the mechanical resonator may have during normal operation of the horological movement, to avoid breakage or deterioration of the escapement.

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