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公开(公告)号：US20210124307A1
公开(公告)日：2021-04-29
申请号：US17065648
申请日：2020-10-08
Inventor： Mohammad Hussein KAHROBAIYAN , Gianni DI DOMENICO
Abstract: A device (10) for guiding a pivoting mass in rotary pivoting, in particular for a horological movement comprising, arranged in series substantially in the same plane, a first support (2), a first pair of uncrossed strips (5, 6), a second support (3), a pair of crossed strips (7, 8), and a third support (4), the pair of uncrossed strips including, a first (5) and a second (6) flexible strip connecting the first support (2) to the second support (3) without crossing each other, the pair of crossed strips including a third (7) and a fourth (8) flexible strip connecting the second support (3) to the third support (4), the third (7) and fourth (8) flexible strips crossing each other between the second (3) and the third (4) support.
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公开(公告)号：US20240329598A1
公开(公告)日：2024-10-03
申请号：US18610350
申请日：2024-03-20
Inventor： Mohammad Hussein KAHROBAIYAN , Baptiste HINAUX
IPC: G04B17/22
CPC classification number: G04B17/222
Abstract: A balance for a regulating member of a horological movement, the balance including, at least in part, a body that can be deformed as a function of temperature, the deformable body being arranged, at least in part, on the periphery of the balance, the balance being configured so as to be able to move about a centre of rotation, the balance including a device for adjusting the sensitivity of the deformable body to temperature change, the adjustment device being provided with a first inertial element arranged on the deformable body in order to be able to modify the moment of inertia thereof, the first inertial element being capable of moving relative to the deformable body into a plurality of positions, wherein the positions form a continuous set. A horological movement and a regulating member can include such a balance.
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13.发明公开公开(公告)号：US20240310783A1
公开(公告)日：2024-09-19
申请号：US18599503
申请日：2024-03-08
Inventor： Gianni DI DOMENICO , Mohammad Hussein KAHROBAIYAN , Dominique LECHOT
IPC: G04B17/04
CPC classification number: G04B17/045
Abstract: A method of setting up a resonator mechanism for timepieces, including a structure and an anchoring block from which is suspended at least one inertial element subjected to return forces exerted by a flexible pivot including a plurality of resilient blades deformable essentially in a plane XY perpendicular to the first direction Z, the anchoring block being suspended from the structure by a flexible suspension, the method including measuring a reference oscillation frequency of the inertial element about the Z direction in the XY plane, measuring a secondary oscillation frequency of the inertial element, comparing the secondary oscillation frequency with the reference oscillation frequency, adapting flexible suspension or substituting flexible suspension with another flexible suspension.
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公开(公告)号：US20240210889A1
公开(公告)日：2024-06-27
申请号：US18528864
申请日：2023-12-05
Inventor： Mohammad Hussein KAHROBAIYAN , Yvan FERRI , Alexandre DIDIER , Lionel PARATTE , Jean-Jacques BORN
Abstract: A rotary piezoelectric motor, in particular for a timepiece, the motor including: a rotor configured to rotate and actuate a mechanical device, a stator configured to rotate the rotor, the stator including a piezoelectric actuator, the piezoelectric actuator including a moving element whose movement causes the rotor to rotate in a first direction, the piezoelectric actuator including only two electrically actuatable resonators, the two resonators being connected to the moving element to move it against the rotor to cause it to rotate, the two resonators being arranged relative to the moving element so as to cause the moving element to oscillate in first and second directions different from each other, each resonator including a centre of rotation, the two resonators being disposed relative to the moving element so that, around each centre of rotation, the torque resulting from all the acceleration forces being applied in the plane of each resonator is zero.
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Patent Agency Ranking
15.发明公开公开(公告)号：US20240027967A1
公开(公告)日：2024-01-25
申请号：US18348853
申请日：2023-07-07
Inventor： Gianni DI DOMENICO , Baptiste HINAUX , Mohammad Hussein KAHROBAIYAN , Jean-Luc HELFER , Pascal WINKLER
CPC classification number: G04B17/22 , G04B17/045
Abstract: A member for a horological movement including an oscillating mass, for example a balance, a flexible guide including at least two main flexible blades connecting a movable support to the oscillating mass to enable the oscillating mass to make a rotary movement about a virtual pivot, wherein the regulating member includes an elastic device for compensating for the temperature arranged so as to connect the movable support to a securing device for securing the regulating member on the horological movement, the elastic compensation device being configured to adapt its stiffness according to the temperature in order to compensate for the effect of temperature on the regulating member.
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公开(公告)号：US20240213953A1
公开(公告)日：2024-06-27
申请号：US18541184
申请日：2023-12-15
Inventor： Mohammad Hussein KAHROBAIYAN , Yvan FERRI , Alexandre DIDIER , Lionel PARATTE , Jean-Jacques BORN
Abstract: A piezoelectric resonator, in particular for a rotary piezoelectric motor, the resonator including a stationary base and an oscillating mass extending about a longitudinal axis, the oscillating mass being provided with at least one inertia-block, preferably two opposing inertia-blocks, wherein the resonator includes a flexible blade guide connecting the oscillating mass to the base, so that the oscillating mass can be oscillated about a centre of rotation in a pendulum movement, the flexible guide including at least one first flexible blade connected to the base and/or to the oscillating mass to allow the displacement of the oscillating mass relative to the base, the flexible blade guide including a spiral spring connected to the base and/or to the oscillating mass, the spiral spring including at least partially an electrically actuatable piezoelectric material to deform the spiral spring and oscillate the oscillating mass.
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公开(公告)号：US20230367263A1
公开(公告)日：2023-11-16
申请号：US18190381
申请日：2023-03-27
Inventor： Mohammad Hussein KAHROBAIYAN , Gianni DI DOMENICO
CPC classification number: G04B17/045 , G04B17/06
Abstract: A flexible guide assembly (10) including a fixed support (22) and three flexible guides arranged in series, the first flexible guide including a first movable element (23) relative to the fixed support (22), a first pair of uncrossed flexible blades (26, 27) connected to the first movable element (23), the second flexible guide including a second movable element (24) relative to the first movable element (23), a second pair of uncrossed flexible blades (28, 29) connecting the second movable element (24) to the first movable element (23), the third flexible guide including a third movable element (25) and a third pair of uncrossed flexible blades (31, 32) connecting the third movable element (25) to the second movable element (24), the third movable element (25) forming a balance or a balance support of the rotary resonator mechanism.
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公开(公告)号：US20220187768A1
公开(公告)日：2022-06-16
申请号：US17525329
申请日：2021-11-12
Inventor： Mohammad Hussein KAHROBAIYAN
Abstract: The invention relates to a rotary resonator mechanism (1) comprising an oscillating mass (2), a flexible guide comprising at least two flexible blades (4) connecting a stationary support (3) to the oscillating mass (2), the resonator mechanism (1) extending substantially in the same plane to allow the oscillating mass to perform a rotary movement around a virtual pivot, the flexible guide (1) extending along a main axis of symmetry (14), characterised in that the mechanism (1) comprises a translation table (5) arranged between the flexible guide and the oscillating mass (2), the translation table (5) being joined to the flexible blades (4) and/or to the oscillating mass (2).
The invention also relates to a horological movement comprising such a resonator (1).-
公开(公告)号：US20220137562A1
公开(公告)日：2022-05-05
申请号：US17481821
申请日：2021-09-22
Inventor： Mohammad Hussein KAHROBAIYAN , Pascal WINKLER , Jean-Luc HELFER , Gianni DI DOMENICO , Grégory MUSY , Florent COSANDIER
Abstract: A flexible guide for a rotating resonator mechanism, in particular of a horological movement, the guide including a fixed support, an element that is capable of moving relative to the fixed support, at least one main flexible blade allowing the movable element to move relative to the fixed support by bending the one or more main flexible blades via a rotary motion about a centre of rotation, the flexible guide being arranged substantially in one plane, and includes at least one translation table joined to one end of the main flexible blade, the main flexible blade and the translation table forming a pair connected to the fixed support, to the movable element, or to an intermediate movable part, such that the translation table is configured to move in translation at least in part under the effect of the bending of the main flexible blade.
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