EP2911015A2 - Natürliche Entlüftung - Google Patents

Natürliche Entlüftung Download PDF

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Publication number
EP2911015A2
EP2911015A2 EP14186297.9A EP14186297A EP2911015A2 EP 2911015 A2 EP2911015 A2 EP 2911015A2 EP 14186297 A EP14186297 A EP 14186297A EP 2911015 A2 EP2911015 A2 EP 2911015A2
Authority
EP
European Patent Office
Prior art keywords
exhaust
mobile
polar mass
track
ramp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14186297.9A
Other languages
English (en)
French (fr)
Other versions
EP2911015B1 (de
EP2911015A3 (de
Inventor
Gianni Di Domenico
Jérôme Favre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP13199427.9A external-priority patent/EP2887157B1/de
Priority claimed from CH02140/13A external-priority patent/CH709019B1/fr
Priority claimed from EP14185638.5A external-priority patent/EP2998801A1/de
Priority claimed from CH01416/14A external-priority patent/CH710132A2/fr
Priority claimed from EP14186261.5A external-priority patent/EP2889704B1/de
Priority to EP14186297.9A priority Critical patent/EP2911015B1/de
Priority to CH01450/14A priority patent/CH709061A2/fr
Application filed by Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to US15/028,599 priority patent/US9927773B2/en
Priority to PCT/EP2014/077039 priority patent/WO2015096979A2/fr
Priority to JP2016533632A priority patent/JP6130603B2/ja
Priority to RU2016130276A priority patent/RU2660530C2/ru
Priority to CN201480070616.4A priority patent/CN105849652B/zh
Publication of EP2911015A2 publication Critical patent/EP2911015A2/de
Publication of EP2911015A3 publication Critical patent/EP2911015A3/de
Publication of EP2911015B1 publication Critical patent/EP2911015B1/de
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
    • G04C3/047—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using other coupling means, e.g. electrostrictive, magnetostrictive
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C5/00—Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements
    • G04C5/005—Magnetic or electromagnetic means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel

Definitions

  • the invention also relates to a watch movement comprising at least one such escape mechanism.
  • the invention also relates to a timepiece comprising at least one such movement and / or having at least one such escape mechanism.
  • the invention relates to the field of watch mechanisms for the transmission of movement, and more particularly the field of escape mechanisms.
  • the Swiss lever escapement is a widely used device that is part of the regulating organ of mechanical watches. This mechanism simultaneously maintains the movement of a sprung balance resonator and synchronize the rotation of the drive train to the resonator.
  • the escape wheel interacts with the anchor using mechanical contact forces
  • the Swiss lever escapement uses this mechanical contact between the escape wheel and the Swiss anchor so as to perform a first function of transmitting the energy of the escape wheel to the sprung balance on the one hand, and to fulfill on the other hand a second function which consists in releasing and locking the escape wheel by jerks so that it advances a step at each alternation of the pendulum.
  • the mechanical contacts necessary for the accomplishment of these first and second functions alter the performance, the isochronism, the power reserve, and the lifetime of the watch.
  • JUNGHANS discloses a magnetic ratchet drive mechanism.
  • This mechanism also includes a vibrating blade, but no stop, let alone a multi-stable retainer.
  • This mechanism includes ramps and barriers that involve the combined and simultaneous movements of the wheel and the resonator.
  • the present invention proposes to replace the mechanical contact force between the anchor and the escape wheel by a non-contact force of magnetic or electrostatic origin, with an arrangement which makes it possible to ensure with certainty and in complete safety the second release function and jerky locking of the escape wheel.
  • the invention relates to a watch exhaust mechanism comprising a stop between a resonator on the one hand and two exhaust mobiles each subjected to a torque, characterized in that each said mobile exhaust system comprises at least one magnetized or ferromagnetic track, respectively electrified or electrostatically conductive, with a running period in which its magnetic characteristics, respectively electrostatic, are repeated, said stop having at least one magnetized or ferromagnetic polar mass, respectively electrified or conductive electrostatically, said polar mass being movable in a direction transverse to the direction of travel of at least one element of a surface of said track, and at least said polar mass or said track creating a magnetic or electrostatic field in a gap between said at least one polar mass and the adite at least one surface, and further characterized in that said polar mass is opposed to a magnetic or electrostatic field barrier on said track just before each transverse movement of said stopper controlled by the periodic action of said resonator, and characterized in that said first movable exhaust subject
  • the invention also relates to a watch movement comprising at least one such escape mechanism.
  • the invention also relates to a timepiece comprising at least one such movement and / or having at least one such escape mechanism.
  • the invention proposes to replace the usual mechanical contact force between a stop and an escape wheel by a non-contact force of magnetic or electrostatic origin.
  • the invention relates to a watch exhaust mechanism comprising a stop 30 between a resonator 20 and an escape wheel 40.
  • this escapement wheel 40 comprises at least one magnetized or ferromagnetic track 50, respectively electrified or electrostatically conductive, with a running period PD according to which its magnetic characteristics, respectively electrostatic, are repeated.
  • the invention is illustrated here in the preferred case of a pivoting movement, with angular scrolling, and an angular scrolling period PD.
  • this track 50 has identical characteristics, geometric and physical, including its constitution (materials), its relief, its possible coating, its magnetization or possible electrification.
  • This stop 30 comprises at least one magnetized or ferromagnetic polar mass 3, respectively electrified or electrostatically conductive.
  • This polar mass 3 is movable in a transverse direction DT with respect to the direction of movement DD of at least one element of a surface 4 of the track 50.
  • This transverse mobility does not imply a total output of the track concerned, the arrangement is variable according to the embodiments, and in some of them, the polar mass leaves the track during part of the movement.
  • At least the polar mass 3 or the track 50 creates a magnetic or electrostatic field in an air gap 5 between this at least one polar mass 3 and this at least one surface 4.
  • the polar mass 3 is opposite a barrier 46 of magnetic or electrostatic field on the track 50 just before each transverse movement of the stop 30, which transverse movement is controlled by the periodic action of the resonator 20.
  • This stop 30 is multi-stable, and is arranged to occupy at least two stable positions.
  • the magnetic or electrostatic field, created by this at least one polar mass 3 or by the track 50, in an air gap 5 between this at least one polar mass 3 and this at least one surface 4, generates a torque or an effort which is exerted on this at least one polar mass 3 and this at least one surface 4.
  • this torque or effort is a torque or periodic braking force according to the angular displacement period PD, with, starting from a zero value torque or effort, a first half-period comprising a potential ramp where the torque or braking force is substantially constant around a first value V1, and a second period portion comprising a potential barrier where said torque or effort of braking increases and reaches its maximum value which is a second value V2 at least triple of the first value V1, and of the same sign as the first value V1, as visible on the figure 28A .
  • each track 50 comprises, before each barrier 46, a ramp 45 interacting increasingly with a polar mass 3 with a magnetic field, respectively electrostatic, whose intensity varies so as to produce an increasing potential energy, this ramp 45 taking energy from the escape wheel 40 and each potential barrier is steeper than each potential ramp.
  • the escape wheel 40 comprises, between two successive ramps 45 of the same track 50 or two neighboring tracks 50 in the travel direction DD, such a magnetic field potential barrier, respectively electrostatic, to trigger a momentary stopping of the escape wheel 40 prior to a tilting of the stop 30 under the periodic action of the oscillator 20.
  • the torque or effort is a torque or periodic braking force according to the angular scrolling period PD.
  • this torque or braking force is of positive intensity with a value increasing during a first angle T1 until a bearing is reached and with a first substantially constant value V1 on a second angle T2, the set of the first angle T1 and the second angle T2 constituting a potential ramp, until reaching a threshold S, after which the intensity then increases to a second maximum value V2 greater than the first value V1 during a third angle T3.
  • the end of said third angle T3 corresponds to a vertex MC at a maximum level of torque or effort at the second value V2, after which the intensity of the torque or force drops on a fourth angle T4 to reach a zero value, at which corresponds to a maximum level of energy ME.
  • the barrier 46 defines a discontinuity threshold by sudden increase or decrease in the torque or force, on a stroke corresponding to the third angle T3, and this third angle T3 is less than one-third of the second angle T2.
  • the second maximum value V2 is greater than six times the first value V1.
  • the mechanism 10 further comprises mechanical stop means to prevent the stop 30 from passing in negative torque during a fifth angle T5 or a sixth angle T6 of the second half-period.
  • this escapement mechanism 10 accumulates energy received from the escape wheel 40 during each half of the PD period, stores a portion of it in the form of potential energy, and periodically restores it to the resonator. 20.
  • this accumulation function is equivalent to the progressive arming of a spring in a mechanism. This restitution of energy takes place between these half-periods, during the transversal movement of the stop 30 controlled by the periodic action of the resonator 20.
  • the polar mass 3 then passes a first half-stroke PDC transverse relative to at the escapement mobile 40 with a second relative transverse DDC half-stroke with respect to the escapement wheel 40, Or vice versa.
  • This polar mass 3 faces such a barrier 46 of magnetic or electrostatic field on the track 50 just before each transverse movement of the stop 30 controlled by the resonator 20 by tilting from one half-stroke to the other.
  • the magnetic or electrostatic field, generated by the polar mass 3 and / or the track 50 is of greater intensity in the first half-stroke PDC than in the second half-stroke DDC during a first half. of said scrolling period PD, and of a greater intensity in the second half-stroke DDC than in the first half-stroke PDC during a second half of the scrolling period PD.
  • the resonator 20 comprises at least one oscillator 2 with periodic movement.
  • the escape wheel 40 is powered by a power source such as a barrel or the like.
  • the stopper 30 provides a first function for transmitting the energy of the escapement wheel 40 to the resonator 20, and on the other hand a second function of release and blocking by jerks of the escapement wheel 40 for its advance of one step during a movement of the stop 30 controlled by the resonator 20 with each alternation of the oscillator 2.
  • This at least one track 50 is driven by a scrolling movement along a TD scrolling path .
  • each pole mass 3 is movable in a transverse direction DT relative to the track 50, according to a first half-path PDD and a second half-stroke DDC on either side of a fixed central position PM, according to a transverse trajectory TT, preferably substantially orthogonal to the TD trajectory of the track 50.
  • the escape mechanism 10 accumulates potential energy transmitted from the energy source via the escape wheel 40 during each first half or second half of the run period PD.
  • polar mass 3 is then face a barrier 46 of magnetic or electrostatic field at the part of the track 50 opposite which it evolves, just before the transverse movement of the stop 30 controlled by the resonator 20. This is when the mechanism of Exhaust 10 returns the energy corresponding to the oscillator 2 during the transverse movement of the stop 30 periodically controlled by the resonator 20 between the first half and second half of the scroll period PD.
  • this polar mass 3 goes from the first half-stroke PDC to the second half-stroke DDC, or vice versa.
  • the escape mobile 4 can be constituted in different ways: in the conventional form of an escape wheel 400 as on the figures 1 , 4 and 29 , a double wheel as on the Figures 9 and 10 , or in the form of a cylinder as visible on the figure 16 , or a continuous band as visible on the figure 17 , Or other.
  • This presentation relates to the general case of a mobile (not necessarily pivoting), and the watchmaker will be able to apply it to the component that interests him, including a single or multiple wheel.
  • the characteristics of the magnetic or electrostatic field are alternated between the first half-stroke PDC and the second half-stroke DDC, with a phase shift of one half of the running period PD of the track 50 with respect to the polar mass 3.
  • transverse direction DT a direction which is substantially parallel to the transverse trajectory TT of the polar mass 3, or which the tangent in its median position PM, as visible on the figure 18 .
  • An axial direction DA is here called a direction that is orthogonal both to a transverse direction DT substantially parallel to the transverse trajectory TT of the polar mass, and to the direction of movement DF of the track 50, tangent to the trajectory of movement TD at the middle position PM.
  • the plane defined by the median position PM, the transverse direction DT and the direction of movement DF is called the plane plane PP.
  • At least one of the two antagonistic components (here "antagonists” are understood to mean that these components are facing each other, without there being any repulsion, annoyance, or other interaction), consisting of by the polar mass 3 and the track 50 carrying the surface 4 which faces it at the gap 5 at least over a portion of their relative stroke, comprises magnetic active means, respectively electrostatic, which are arranged to create this magnetic field, respectively electrostatic.
  • active means that creates a field
  • passive means that undergoes a field.
  • active does not imply here that a component is traversed by a current.
  • the component of this field in the axial direction DA is greater than its component in this plane PP, at their interface in the gap 5 between the polar mass 3 and the surface 4 which makes it face.
  • the direction of this magnetic or electrostatic field is substantially parallel to this axial direction DA of the escapement wheel 40.
  • substantially parallel is meant a field whose component in the axial direction DA is at least four times greater than its component in the PP plan.
  • the other antagonistic component at the level of the air gap 5 then comprises, or magnetic passive means, respectively electrostatic, to cooperate with the field thus created, or also magnetic means, respectively electrostatic, which are arranged to create a magnetic field, respectively electrostatic at the gap 5, this field may, depending on the case, be in concordance or in opposition to the field emitted by the first component, so as to generate a repulsion or otherwise an attraction at the level of the gap 5.
  • the stop 30 is disposed between a spiral balance spring resonator 2 of pivot axis A, and at least one escape wheel 400 which pivots about a pivot axis D (which defines with the axis of rotation). pivoting of the balance-spring A angular reference direction DREF).
  • This stop 30 ensures the second release function and blocking by jerks of the escapement wheel 40 for its advance of one step each alternation of the sprung balance 2.
  • the polar mass 3 is arranged to move, over at least part of its transverse travel, facing at least one element of a surface 4 of the escapement wheel 40.
  • the polar mass In the first mode of the figure 1 the polar mass is always facing such a surface 4; in the second mode of the figure 4 , the stop 30 comprises two polar masses 3A, 3B, and each of them is, for a half-period facing such a surface 4, and during the other half-period remote from this surface 4, in a position where the magnetic or electrostatic interaction between them is negligible.
  • each of the two antagonistic components on either side of the air gap 5, constituted by the polar mass 3 and the bearing track 50 of the surface 4 which faces it at least over part of their relative course, comprises magnetic or electrostatic active means, which are arranged to create a magnetic field, respectively electrostatic, of direction substantially parallel to the axial direction DA, at their interface in the gap 5.
  • the polar mass 3 and / or the track 50 carrying the surface 4 facing it at this gap 5 comprises magnetic means, respectively electrostatic, which are arranged to create in the gap 5, in at least one transverse plane PT defined by the median position PM of the polar mass 3, the transverse direction DT and the axial direction DA, and in the transverse range, in the said transverse direction, the relative displacement of the polar mass 3 and the surface 4, a magnetic field, respectively electrostatic, variable intensity and non-zero both as a function of the transverse position of the polar mass 3 in the transverse direction DT, and as a periodic function of time.
  • magnetic means respectively electrostatic, which are arranged to create in the gap 5, in at least one transverse plane PT defined by the median position PM of the polar mass 3, the transverse direction DT and the axial direction DA, and in the transverse range, in the said transverse direction, the relative displacement of the polar mass 3 and the surface 4, a magnetic field, respectively electrostatic, variable intensity and non-zero both as a function of the
  • each such polar mass 3 and each such track 50 carrying the surface 4 facing it comprises such magnetic means, respectively electrostatic, which are arranged to create a magnetic field, respectively electrostatic, between at least one such Polar mass 3 and at least one surface 4, in at least this transverse plane PT.
  • This magnetic field, respectively electrostatic, created by these antagonistic components is of variable intensity and not zero at a time depending on the position radial of the polar mass 3 in the transverse direction DT, and in periodic function of time.
  • the object is to create the conditions for creating a force of magnetic or electrostatic origin between the stop 30 and the escapement wheel 40, so as to allow driving, or conversely braking, between these two components, without direct mechanical contact between them.
  • multilevel architectures allow a balancing of the torques or forces in a direction of pivoting of the escapement wheel 40 (in particular the direction of the pivot axis if the mobile 40 pivots about a single axis), and a relative maintenance in position in the axial direction DA between the stop 30 and the escapement 40, as will be explained below.
  • the component of the magnetic field, respectively electrostatic, in the axial direction DA is in the same direction over the entire range of the relative displacement of the polar mass 3 and the surface 4 facing it.
  • each polar mass 3 carried by the stopper 30 is magnetized, respectively permanently electrified, and generates a constant magnetic field, respectively electrostatic, and each surface 4 cooperating with each polar mass 3 defines with the such polar mass 3 concerned a gap 5 in which the magnetic field, respectively electrostatic, is variable according to the advance of the escapement wheel 40 on its trajectory and is variable according to the relative transverse position of the polar mass 3 concerned with respect to the escapement 40 and which is related to the angular movement of the stop 30 if it is pivoting as in the case of an anchor, or its transverse displacement if it is otherwise driven by the resonator 20.
  • each polar mass 3 carried by the stopper 30 is ferromagnetic, respectively electrostatically conductive, permanently, and each surface 4 cooperating with each polar mass 3 defines with the polar mass 3 concerned a gap 5 in which the field magnetic, respectively electrostatic, is variable according to the advance of the escape wheel 40 on its trajectory and is variable according to the relative transverse position of the polar mass 3 concerned with respect to the escapement wheel 40 and which is related to the angular deflection of the stop 30 if it is pivoting as in the case of an anchor, or its transverse movement if it is otherwise driven by the resonator 20.
  • each track 50 carrying such an antagonistic surface 4 is magnetized, respectively electrified, permanently and uniformly, and generates a magnetic field, respectively electrostatic, constant at its surface facing the polar mass 3 concerned, and comprises a relief arranged to generate a variable gap height in the gap 5, which gap height varies according to the advance of the escapement wheel 40 on its trajectory, and varies according to the relative angular position of the polar mass 3 concerned with respect to the escapement mobile 40.
  • each track 50 carrying such a surface 4 is ferromagnetic, respectively electrostatically conductive permanently, and comprises a relief arranged to generate a gap height in the gap 5, which gap height is variable according to the advance of the escape wheel 40 on its trajectory, and is variable according to the relative transverse position of the pole mass 3 concerned with respect to the escapement wheel 40.
  • each track 50 carrying such a surface 4 is magnetized, respectively electrified, permanently and variable depending on the local position on this track, and generates a magnetic field, respectively electrostatic, which is variable according to the advance of the escape wheel 40 on its trajectory, and is variable according to the relative transverse position of the polar mass 3 concerned with respect to the escapement wheel 40, at its surface facing the polar mass 3 concerned.
  • each track 50 carrying such a surface 4 is ferromagnetic, respectively electrostatically conductive, permanently and variable depending on the local position on this track, so as to vary the magnetic force, respectively electrostatic, exerted between stopping device 3 and the escapement wheel 40 under the effect of their relative movement, which force is variable according to the advance of the escapement wheel 40 on its trajectory and is variable according to the relative transverse position of the polar mass 3 concerned relative to the escape wheel 40, at its surface facing the polar mass 3 concerned.
  • each polar mass 3 circulates between two surfaces 4 of the escapement wheel 40, and such a magnetic field, respectively electrostatic, is exerted on each side of the polar mass 3 in the axial direction DA in a symmetrical manner. on either side of the polar mass 3 so as to exert equal and opposite torques or forces on the polar mass 3 in the axial direction DA. This results in axial balancing and minimal torque or effort on the possible pivots, and thus minimal friction losses.
  • each surface 4 of the escapement wheel 40 circulates between two surfaces 31, 32, of each polar mass 3, and such a magnetic field, respectively electrostatic, is exerted on each side of the surface 4 in the direction axial axis DA symmetrically on either side of the surface 4, so as to exert equal and opposite torques or forces on the bearing track 50 of the surface 4 in the axial direction DA.
  • the track 50 of the escapement wheel 40 comprises, on one of its two lateral surfaces 41, 42, a plurality of secondary tracks 43 adjacent to each other.
  • each secondary track 43 has an angular succession of elementary primary zones 44, each primary zone 44 having a magnetic behavior, respectively electrostatic, which is different, on the one hand, from that of each other adjacent primary zone 44 on the secondary track 43 to which it belongs, and on the other hand from that of each other primary zone 44 which is adjacent thereto and which is located on another secondary track 43 adjacent to his.
  • the secondary tracks 43 are not concentric, but adjacent and preferably substantially parallel to each other. But the difference in magnetic behavior, respectively electrostatic, of two primary zones 44 immediately adjacent, applies in the same way.
  • the Figures 18 and 19 show the deflection of a polar mass 3 in a variant comprising two parallel tracks 43A and 43B, adjacent and parallel, phase shifted by half a period.
  • the succession of these primary zones 44 on each such given secondary track 43 is periodic according to a spatial period T, angular or linear as the case may be, constituting an integer submultiple of a revolution of the escape mobile 40.
  • spatial period T corresponds to the run period PD of track 50.
  • each such secondary track 43 comprises, on each such spatial period T, a ramp 45 comprising a succession, particularly monotonous, of such primary zones 44 interacting increasingly with such a polar mass 3 with a magnetic field, respectively electrostatic, the intensity of which varies so as to produce an increasing potential energy from a minimum interaction area 4MIN to a maximum interaction area 4MAX, the ramp 45 taking energy from the escape mobile 40.
  • the escape wheel 40 comprises, between two such successive ramps 45 and in the same direction, such a barrier 46 of magnetic field potential, respectively electrostatic, to trigger a momentary shutdown of the mobile phone. exhaust 40 prior to a tilting of the stop 30 under the action of the resonator 20, in particular a spring balance 2.
  • each such potential barrier 46 is steeper than each such ramp 45, with respect to its potential gradient.
  • these barriers are constituted by field barriers.
  • the illustrated variants thus correspond to magnetic fields, respectively electrostatic field field, and field barriers.
  • the escapement wheel 40 stops in a position where the potential gradient is equivalent to the driving torque.
  • This immobilization is not instantaneous, there is indeed a rebound phenomenon, which is damped, either by the natural friction, in particular of pivoting, in the mechanism, or by friction created for this purpose, viscous type such as friction by eddy currents (for example on a copper surface or the like integral with the escapement wheel 40) or aerodynamic or other friction, or else dry friction type spring jumper or other.
  • the escape wheel 40 is stretched by an upstream mechanism with constant torque or constant force, typically a cylinder.
  • the escapement wheel 4 therefore oscillates, before stopping in position, before the transverse tilting of the polar mass 3, and the losses are necessary to stop the oscillation in a time interval compatible with the kinematics.
  • the transition between the ramp and the barrier can be designed and adjusted so as to obtain a particular dependence of the energy transmitted to the resonator as a function of the driving torque.
  • a ramp without a break in slope makes it possible to operate the invention, it is more advantageous to combine a ramp 45 with a certain gradient, and a barrier 46 with another gradient, the shape of the transition zone between the ramp 45 and the barrier 46 having a significant influence on the operation.
  • the system accumulates energy during the ramp ramp, and restores energy to the resonator during the transverse movement of the polar mass.
  • the stopping point defines the quantity of energy thus restored, which depends on the shape of this transition zone between ramp and barrier.
  • the Figures 20, 22, and 24 illustrate non-limiting examples of ramp profile and barrier, with the abscissa scrolling, here a pivot angle e, and ordinate the energy Ui expressed in mJ.
  • the Figures 21, 23, and 25 illustrate the transmitted energy, correlated with each ramp and barrier profile, with the same abscissa, and, on the ordinate, the CM pair in mN.m.
  • FIGS. 20 and 21 illustrate a smooth transition with a radius between the ramp and the barrier, the breakpoint of the system depends on the torque applied, and the energy transmitted to the resonator also depends on this applied torque.
  • the Figures 24 and 25 relate to an exponential transition between ramp and barrier, chosen so that the energy transmitted to the resonator, which is approximately proportional to the applied torque, and in particular in a particular variant, is substantially equal to the driving torque.
  • This example is interesting because it approaches closer to a Swiss lever escapement and thus allows to incorporate the present invention in an existing movement with the minimum of changes.
  • the escape wheel 40 further comprises, at the end of each such ramp 45 and just before each barrier 46, a transverse variation of magnetic or electrostatic field distribution when the surface 4 is magnetized, respectively electrified, or a profile variation when the surface 4 is ferromagnetic, respectively electrostatically conductive, so as to cause a pull on the polar mass 3.
  • the escape wheel 40 comprises, after each such barrier 46 of magnetic or electrostatic field potential, an anti-shock mechanical stop.
  • At least two such adjacent secondary tracks 43 comprise, with respect to each other, an alternation of such minimal interaction zones 4MIN and such 4MAX maximum interaction zones with an angular phase shift corresponding to half of the spatial period T.
  • the stop 30 comprises a plurality of such polar masses 3 arranged to co-operate simultaneously with such separate secondary tracks 43, as can be seen in particular in the second embodiment.
  • embodiment of the invention of the figure 4 with separate polar masses 3A and 3B, each having two magnets 31 and 32 on each side of the escape wheel 400.
  • the retainer 30 may comprise a comb extending parallel to the surface 4 of the escapement wheel 40 and comprising such polar masses 3 arranged side by side.
  • the stopper 30 is pivotable about a real or virtual pivot 35 and comprises such a single polar mass 3 arranged to cooperate with primary zones 44 that comprise such surfaces 4 located on beaches different from the escapement wheel 40 (or respectively different diameters in the case of an escape wheel 400), with which the polar mass 3 has a variable interaction during the advance (or respectively the revolution) of the mobile 40.
  • These primary zones 44 are alternately arranged around the periphery (or respectively the periphery) of the escapement 40 to constrain the polar mass 3 to a transverse movement relative to the escape wheel 40 during the search balance position of polar mass 3.
  • the stopper 30 is pivoted about a real or virtual pivot 35 and comprises a plurality of such polar masses 3 arranged to cooperate each with primary zones 44 that comprises at least one such surface 4 located on at least one range (respectively a diameter) of the escapement wheel 40, with which each such pole mass 3 has a variable interaction during the advance (or respectively of the revolution) of the escape wheel 40.
  • These zones 44 are alternately disposed around the periphery or the periphery of the escapement 40 to constrain the polar mass 3 to a transverse movement with respect to the escapement 40 during the search for equilibrium position of the polar mass 3 .
  • At each instant at least one such polar mass 3 of the stopper 30 is in interaction with at least one such surface 4 of the escapement wheel 40.
  • the stopper 30 cooperates, on both sides, with a first exhaust mobile and a second exhaust mobile.
  • these first and second exhaust mobiles pivot integrally.
  • these first and second exhaust mobiles pivot independently of one another.
  • these first and second escape mobiles are coaxial.
  • the stop 30 cooperates, on both sides, with a first escape wheel 401 and a second escape wheel 402, each forming such an escape wheel 40.
  • these first 401 and second 402 escape wheels pivot integrally.
  • first 401 and second 402 escape wheels pivot independently of one another.
  • these first 401 and second 402 escape wheels are coaxial.
  • the escapement wheel 40 comprises at least one cylindrical surface 4 around a pivot axis D parallel to the transverse direction DT, and which carries electrostatic or electrostatic tracks, and this at least one polar mass 3 of the stop 30 is movable parallel to this pivot axis D.
  • the figure 17 shows a generalization according to which the escapement wheel 40 is a mechanism extending in a direction D, represented here by an endless band running on two rollers of axes parallel to the transverse direction T, this band being carrying at least minus one surface 4.
  • the surface 4 may comprise a magnetized layer of variable thickness, or respectively an electrified layer of variable thickness, or a magnetized layer of constant thickness but variable magnetization, or respectively an electrified layer of constant thickness but of variable electrification, or a variable surface density of micro-magnets, or respectively a variable surface density of electrets, or a ferromagnetic layer of variable thickness, or respectively a an electrostatically conductive layer of variable thickness, or a ferromagnetic layer of variable shape, or respectively an electrostatically conductive layer of variable shape, or a ferromagnetic layer with a variable surface density of holes, or respectively an electrostatically conductive layer with a surface density of holes variable.
  • the stop 30 is an anchor.
  • the invention also relates to a watch movement 100 comprising at least one such escape mechanism 10.
  • the invention also relates to a timepiece 200, in particular a watch, comprising at least one such movement 100 and / or comprising at least one such escape mechanism 10.
  • the invention is applicable to different scales of timepieces, including watches. It is interesting for static parts such as clocks, living room clocks, morbiers, and the like; the spectacular and innovative character of the operation of the mechanism according to the invention brings an additional new interest in the highlighting of the mechanism, and an attraction for the user or the viewer.
  • the figures illustrate a particular, nonlimiting embodiment, in which the stopper 30 is an anchor, and show how the invention makes it possible to replace the usual mechanical contact force between an anchor and an escape wheel by a contactless force of magnetic or electrostatic origin.
  • Two nonlimiting embodiments are proposed: a first mode with a single polar mass and a second mode with several polar masses.
  • the first mode is illustrated, in a magnetic version only, by the Figures 1 to 3 .
  • the figure 1 schematically represents a magnetic retainer escapement mechanism 10, where this retainer 30 is an anchor.
  • the regulator device comprises a spiral balance resonator 20, a magnetic anchor 30, and an escapement wheel 40 formed by a magnetized escape wheel 400.
  • the magnet 3 of the anchor interacts repulsively with concentric magnetized secondary tracks 43 INT, 43 EXT, of the escapement wheel 40.
  • the symbols - / - / + / ++, on the secondary tracks 43 are representative of the intensity of the magnetization, increasing from - to ++: a zone - weakly pushes the magnet 3 of the anchor 30 then that an area ++ rejects it strongly.
  • the interaction force between the stop 30,, and the escape wheel 40 results from the interaction between a polar mass 3, in particular a magnet, placed on the anchor 30 and a magnetized structure placed on the mobile 40.
  • This magnetized structure is composed of two secondary tracks 43 (inner 43 INT and outer 43 EXT) whose magnetization intensity varies as a function of the angular position so as to produce the magnetic interaction potential represented on FIG. figure 2 .
  • the ramps 45 have the effect of taking energy from the escapement mobile 40, and the barriers 46 have the effect of blocking the advance of the mobile 40. The energy taken by a ramp 45 is then restored to the resonator 20. balance-spring when the anchor 30 rocking from one position to another.
  • the figure 2 represents, schematically, the potential magnetic interaction energy seen by the magnet 3 of the anchor 30 as a function of its position on the escapement wheel 40.
  • the dashed line shows the trajectory of a point reference M of the magnet 3 of the anchor 30 in operation.
  • the figure 3 represents schematically the variation of the potential energy along the magnetized secondary tracks 43 of the mobile 40.
  • the polar mass 3 of the anchor passes from the point P1 to the point P2 on the internal secondary track 43 INT, the system draws energy from the escape wheel 40 to store it as potential energy. The system then stops at P2 under the combined effect of the potential barrier 46 and the friction of the mobile 40.
  • the anchor 30 tilts under the action of the balance-spring 2 on the opposite end of the anchor 30, the previously stored energy is restored to the balance spring resonator 20, while the system goes from P2 to P3, which corresponds to the change of track, the polar mass 3 coming in P3 on the external secondary track 43 EXT.
  • the same cycle then starts again on the other secondary track 43 EXT passing from P3 to P4 and from P4 to P5 with the return to P5 on the inner track 43 INT.
  • the friction of the mobile 40 allows the immobilization of the system at the foot of the barrier 46 potential.
  • the amount of energy transmitted to the sprung balance resonator 20 is still almost the same, provided that the potential barriers 46 are much steeper than the energy ramps 45. This condition is easy to achieve in practice.
  • the tilting of the anchor 30 is decoupled from the movement of the escapement wheel 40. More specifically, when the anchor 30 tilts, the potential energy can be restored to the balance spring resonator 20 2, even if the mobile of Exhaust 40 remains motionless.
  • the speed of the pulse is thus not limited by the inertia of the escapement wheel 40.
  • a polar mass 3 instead of being exactly above a track 50 (or 43 as the case may be), is slightly offset in a transverse direction DT with respect to the axis of the track concerned, so that that the interaction between the mobile 40 and the pole mass 3 permanently produces a small transverse force component, which keeps the stopper 30 in position.
  • the value of the offset is then adjusted so that the force produced stably maintains the polar mass 3 in each of its extreme positions, first half-stroke and second half-stroke.
  • the figure 4 thus illustrates a regulating device consisting of a resonator 20 with balance spring 2, a magnetic anchor 30, and a magnetized escape wheel 40.
  • the escapement wheel 40 is provided with a magnet track 49 of variable intensity which interact with the two magnets 31 and 32 of the anchor 30.
  • figure 4 shows the disposition of magnets 49 of increasing magnetization (in particular by increasing dimensions) so as to form ramps 45 (from P11 to P18) before stopping on barriers 46 formed for example of several magnets P20.
  • a major part of the draw is produced by a fine adjustment of the transverse position of the polar mass 3 with respect to the track 50 with which it interacts. More specifically, when the stopper 30 is positioned at the end of the first half-stroke (PDC) or at the end of the second half-stroke (DDC), the transverse position of the polar mass 3 which interacts with the Track 50 is adjusted (by a small transverse shift) so that the polar mass 3 undergoes a transverse force, called pulling force, large enough to maintain the polar mass 3 in its end position stably.
  • PDC first half-stroke
  • DDC the transverse position of the polar mass 3 which interacts with the Track 50 is adjusted (by a small transverse shift) so that the polar mass 3 undergoes a transverse force, called pulling force, large enough to maintain the polar mass 3 in its end position stably.
  • the resonator 20 in particular the balance 2, gives the initial impetus to the stop 30. But, as soon as the draft is overcome, the forces of magnetic origin or electrostatic take over and do their work to move in a transverse direction DT polar mass 3 to its new position.
  • At least one recessed magnet 48 (here placed on an upper positioning radius), with respect to the centering of a ramp 45 along a given radius, reinforces the pulling effect just before barrier 46.
  • effect of the ramps 45 and barriers 46 is similar to that of the first mode, the relative distribution is similar to the figure 2 .
  • the figure 5 shows the detail of their arrangement of the magnets 31 and 32 of the anchor relative to the magnets 49 of the escape wheel 40.
  • the figure 26 illustrates an achievement similar to that of the figure 4 but having two concentric rows of magnets of increasing magnetization, those of the inner track 431NT being upwardly polarized, and those of the outer track 43 EXT being polarized downwards.
  • the polar masses 3 have the inverse configurations: an upper inner polar mass 3SINT is polarized downward, an upper outer polar mass 3SEXT is polarized upwards, a lower inner polar mass 31INT is polarized downwards, and a lower polar mass 3IEXT is polarized towards the high.
  • the figure 27 schematically illustrates the orientation of the field lines in a cross section corresponding to this embodiment, where the field lines are substantially normal to the plane PP of the wheel 40 in the magnets, and substantially parallel to this plane in each air gap 5.
  • the potential resulting, visible on the figure 28 has ramps and alternate gates.
  • the anchor 30 is tilting.
  • at most only one polar mass 3A or 3B is opposite the surface 4 of magnets 49 of the escapement wheel 40.
  • a magnetized structure of variable thickness or intensity deposited on an escape wheel comes into interaction with a magnetic field created by a magnetic circuit integral with an anchor.
  • the interaction can be repulsive or attractive.
  • a ferromagnetic structure of variable thickness comes into interaction with a magnetic field created by a magnetic circuit integral with an anchor.
  • the figure 9 shows two magnetized structures of variable thickness or intensity deposited on two faces of an escape wheel, interacting with a magnetic field created by a magnet secured to an anchor, or with a magnetic circuit without a solid field source of an anchor. The interaction can be repulsive or attractive.
  • the figure 10 illustrates two ferromagnetic structures of variable thickness (or with a variable gap) on two faces of an escape wheel, which interact with a magnetic field created by a magnet or a magnetic circuit with a field source integral with a anchor.
  • the retainer 30 On the opposite side to the polar mass 3, or to the polar masses 3 if the retainer comprises several, the retainer 30, in particular an anchor, comprises means of cooperation with the resonator 20 (in particular a balance-spring 2), which interact with this resonator to trigger the transverse movement of the polar mass 3.
  • these cooperation means can use a mechanical contact, such as an anchor fork cooperating with a rocker pin.
  • the extrapolation of the arresting-mobile escape cooperation proposed by the invention is conceivable for the resonator-stop cooperation, which then makes it possible to use here also a force of magnetic or electrostatic origin with the aim of further minimizing the friction.
  • An additional advantage due to the removal of a plateau pin is to allow cooperation over angular ranges greater than 360 °, for example with a helical track.
  • the polar mass 3 is symmetrical in the transverse direction.
  • this watch exhaust mechanism comprises a stopper 30 between, on the one hand, a resonator 20, and, on the other hand, a first escape wheel 40A and a second escape wheel 40B, each subject to a couple. More particularly, each of these 40A, 40B exhaust mobiles has its own gear train.
  • the invention is described here in a particular case, advantageous in terms of size, with only two escape mobiles 40 substantially coplanar.
  • the invention is nevertheless applicable to a greater number of escape wheels, in particular distributed over several parallel levels, and cooperating with as many levels of a single stop cooperating with the resonator.
  • the invention also allows three-dimensional architectures, because the interaction between the retainer 30 and the mobiles is not necessarily flat.
  • each such escapement 40A, 40B comprises at least one magnetized or ferromagnetic track 50, respectively electrified or electrostatically conductive, with a running period PD according to which its magnetic characteristics, respectively electrostatic, repeat themselves.
  • the stop 30 comprises at least one magnetized or ferromagnetic polar mass 3, respectively electrified or electrostatically conductive, said polar mass 3 being movable in a transverse direction DT with respect to the direction of movement DD of at least one element of a surface 4 of the track 50 at which the stop 30 faces. And at least the polar mass 3 or the track 50, or both, creates a magnetic or electrostatic field in an air gap 5 between this at least one polar mass 3 and this at least one surface 4.
  • the polar mass 3 is opposed to a barrier 46 of magnetic or electrostatic field on the track 50, just before each transverse movement of the stop 30 controlled by the periodic action of the resonator 20.
  • the first exhaust 40A is subjected to a first torque and the second exhaust 40B is subjected to a second pair; they are each arranged adapted to cooperate alternately with the stop 30.
  • the first exhaust movable 40A and the second exhaust movable 40B are connected to each other by a direct kinematic link. And, preferably, the first exhaust mobile 40A and the second exhaust mobile 40B pivot about distinct axes D1, D2, in particular parallel to each other.
  • the escapement mechanism 10 comprises means of catching up clearance at the level of the direct kinematic connection between the first mobile 40A exhaust and the second mobile 40B exhaust, to minimize the play of operation.
  • the escape mechanism 10 is integrated in a movement 100, which comprises means for applying a torque to the first mobile 40A, and a second torque to the second mobile 40B.
  • the first couple is equal to the second pair.
  • the first exhaust mobile 40A and the second exhaust mobile 40B pivot about their respective said axes D1, D2, in a synchronous movement and with a direction of rotation opposite.
  • the first escapement wheel 40A and the second escapement wheel 40B are spaced from each other, and the stop 30 comprises two polar masses 3 spaced apart from each other. other: a first polar mass 3A arranged to cooperate with the first mobile exhaust 40A, and a second polar mass 3B arranged to cooperate with the second mobile 40B exhaust.
  • the escape mechanism 10 is arranged in such a way that, at any moment, at least one polar mass 3 of the stopper 30 is in interaction with at least one surface 4 of one of the escape mobiles 40A ; 40B.
  • the barriers 46 that comprises the first exhaust mobile 40A and the second exhaust mobile 40B are distributed uniformly at the same pitch, and are shifted by half a step between the first exhaust mobile 40A and the second mobile 40B exhaust.
  • each track 50 has, before each barrier 46, a ramp 45 extending in one direction. curvilinear ramp DR and interacting increasingly, from a bottom of ramp 451 to a ramp top 452 located in the vicinity of the barrier 46, with a polar mass 3 with a magnetic field, respectively electrostatic, whose intensity varies so to produce an increasing potential energy, the ramp 45 taking energy from the escapement mobile concerned 40A, 40B.
  • the escape wheel 40A, 40B comprises, between two successive ramps 45, such a barrier 46 of magnetic field potential, respectively electrostatic, to trigger a momentary stopping of the escape wheel 40A, 40B, prior to a tilting of the stop 30 under the periodic action of the oscillator 20.
  • At least one escape wheel 40A; 40B (or more particularly one and the other) comprises, at the end of each ramp 45 and just before each barrier 46, a radial variation of magnetic or electrostatic field distribution when the surface 4 is magnetized, respectively electrified, or a profile variation when said surface 4 is ferromagnetic, respectively electrostatically conductive, so as to cause a pull on the polar mass 3 whose effect is to maintain the stopper 30 in one of its stable positions before triggering the switchover.
  • the resonator 20 comprises an anchor, such as a plateau pin or the like, which is arranged to cooperate with a fork or an actuator that comprises the retainer 30, so as to cause a clearance (canceling said draft) followed by a tilting of the polar mass 3 of the stop 3, in a direction tangential to the plane defined by the axes D1, D2 of the first escapement 40A and the second escapement 40B, when these axes D1 and D2 are coplanar.
  • an anchor such as a plateau pin or the like, which is arranged to cooperate with a fork or an actuator that comprises the retainer 30, so as to cause a clearance (canceling said draft) followed by a tilting of the polar mass 3 of the stop 3, in a direction tangential to the plane defined by the axes D1, D2 of the first escapement 40A and the second escapement 40B, when these axes D1 and D2 are coplanar.
  • the polar mass 3 of the stop 30 is brought from a ramp level 452 of a first ramp 45 to a ramp level 451 of a second ramp 45 adjacent to this first ramp, so that the polar mass 3 is subjected to a thrust force of magnetic origin or electrostatic respectively.
  • the polar mass 3 of the retainer 30 is movable, at the level of the first escapement wheel 40A and the second escapement wheel 40B, between and equidistant from two symmetrical surfaces and magnetic or electrostatic characteristics respectively. identical to each other.
  • At least one escape wheel 40A, 40B, or both comprises, between two successive ramps 45 of the same track 50 or two tracks 50 neighbors in the direction of movement DD a magnetic field potential barrier 46, respectively electrostatic, for triggering a momentary stop of the relevant escapement wheel 40A, 40B, prior to a tilting of the stop 30 under the periodic action of the oscillator 20.
  • each potential barrier 46 is steeper than that of each ramp 45.
  • the escape mechanism 10 accumulates potential energy received from at least one escape wheel 40A, 40B, during each half of the PD period, and returns it to the resonator 20 between the period halves when of the transverse movement of the stop 30 controlled by the periodic action of the resonator 20, where the pole mass 3 passes a first transverse PDC relative half-course relative to the escapement 40A, 40B, a second half relative transverse DDC stroke relative to the exhaust 40A, 40B, or vice versa.
  • each of the two antagonistic components consisting of the polar mass 3 and the bearing track 50 of the surface 4 which faces it at least over part of their relative stroke, comprises active means magnetic, respectively electrostatic, which are arranged to create a magnetic field, respectively electrostatic, direction substantially parallel to the axial direction DA, at their interface in the gap 5 between the polar mass 3 and the surface 4 which faces it .
  • the stopper 30 is pivotable about a real or virtual pivot 35, and comprises a single polar mass 3 arranged to cooperate with primary zones 44 that comprise said surfaces 4 located on different diameters of the mobile of exhaust 40A, 40B, with which the polar mass 3 has a variable interaction during the revolution of the escapement wheel 40A, 40B, these primary zones 44 being arranged alternately on the periphery of the escapement 40A, 40B, to constrain this polar mass 3 has a radial movement with respect to an axial direction DA which is orthogonal both to a transverse direction DT substantially parallel to the transverse trajectory TT of the polar mass 3, and to a direction of movement DF of the track 50.
  • the stop 30 is pivotable about a real or virtual pivot 35 and comprises a plurality of polar masses 3 arranged to cooperate each with primary zones 44 that comprises at least one of the surfaces 4 located on a beach of the mobile exhaust 40A, 40B, with which each polar mass 3 has a variable interaction during the revolution of the escape wheel 40A, 40B, these primary zones 44 being arranged alternately on the periphery of the escapement 40A, 40B, to constrain polar lamina 3 to a radial movement with respect to an axial direction DA which is orthogonal to both a transverse direction DT substantially parallel to the transverse trajectory TT of the polar mass 3, and to a running direction DF of the track 50.
  • the two escape mobiles 40A, 40B are different in nature, and their interaction with the stop 30 is of a different nature. It is still conceivable to create a hybrid exhaust mechanism with one of the escapement mobiles in magnetic or electrostatic interaction, and the other in conventional mechanical interaction.
  • At least one escape wheel 40A, 40B is an escape wheel 400.
  • the stop 30 is an anchor.
  • the invention also relates to a watch movement 100 comprising at least one such escape mechanism 10.
  • the invention also concerns a timepiece 200 comprising at least one such movement 100, or / and comprising at least one such escape mechanism 10.
  • the potential for magnetic interaction, or / and electrostatic, composed of alternating ramps with barriers provides a behavior as close as possible to the traditional Swiss anchor escapement.
  • the optimization of the shape of the potential gradients makes it possible to increase the efficiency of the exhaust.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Micromachines (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
EP14186297.9A 2013-12-23 2014-09-25 Natürliche Hemmung Active EP2911015B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP14186297.9A EP2911015B1 (de) 2013-12-23 2014-09-25 Natürliche Hemmung
CH01450/14A CH709061A2 (fr) 2013-12-23 2014-09-25 Mécanisme d'échappement naturel.
US15/028,599 US9927773B2 (en) 2013-12-23 2014-12-09 Natural escapement
CN201480070616.4A CN105849652B (zh) 2013-12-23 2014-12-09 自然式擒纵机构
RU2016130276A RU2660530C2 (ru) 2013-12-23 2014-12-09 Естественный спусковой механизм
JP2016533632A JP6130603B2 (ja) 2013-12-23 2014-12-09 自然脱進機
PCT/EP2014/077039 WO2015096979A2 (fr) 2013-12-23 2014-12-09 Echappement naturel

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
EP13199427.9A EP2887157B1 (de) 2013-12-23 2013-12-23 Optimierte uhrhemmung
CH02140/13A CH709019B1 (fr) 2013-12-23 2013-12-23 Mécanisme d'échappement magnétique ou électrostatique.
CH10572014 2014-07-11
EP14176816 2014-07-11
CH01416/14A CH710132A2 (fr) 2014-09-19 2014-09-19 Echappement magnétique horloger et dispositif régulateur de la marche d'un mouvement horloger.
EP14185638.5A EP2998801A1 (de) 2014-09-19 2014-09-19 Magnetische Ankerhemmung, und Gangeinstellvorrichtung eines Uhrwerks
EP14186261.5A EP2889704B1 (de) 2013-12-23 2014-09-24 Kontaktloser Zylindrische Uhrhemmungsmechanismus
CH01444/14A CH709058A2 (fr) 2013-12-23 2014-09-24 Mécanisme d'échappement à cylindre d'horlogerie sans contact.
EP14186297.9A EP2911015B1 (de) 2013-12-23 2014-09-25 Natürliche Hemmung

Publications (3)

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EP2911015A2 true EP2911015A2 (de) 2015-08-26
EP2911015A3 EP2911015A3 (de) 2016-03-30
EP2911015B1 EP2911015B1 (de) 2017-08-23

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WO (1) WO2015096979A2 (de)

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EP3217227A1 (de) * 2016-03-11 2017-09-13 The Swatch Group Research and Development Ltd. Reguliermechanismus eines uhrwerks mit optimierter magnetischer hemmung
US10054908B2 (en) 2015-08-04 2018-08-21 The Swatch Group Research And Development Ltd Escapement with escape wheel with field ramps and non-return
EP3757682A1 (de) 2019-06-26 2020-12-30 The Swatch Group Research and Development Ltd Uhrwerk, das einen magnetischen hemmungsmechanismus umfasst

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CH711402A2 (fr) 2015-08-04 2017-02-15 Eta Sa Mft Horlogere Suisse Mécanisme régulateur d'horlogerie à bras rotatifs synchronisé magnétiquement.
EP3179316B1 (de) * 2015-12-10 2021-09-15 Nivarox-FAR S.A. Kontaktlose zylindrische uhrhemmung
EP3525046B1 (de) * 2018-02-12 2024-07-10 The Swatch Group Research and Development Ltd Uhrwerkoszillator, der für winkelbeschleunigungen des tragens unempfindlich ist
EP3767397B1 (de) * 2019-07-19 2022-04-20 The Swatch Group Research and Development Ltd Uhrwerk mit einem drehelement, das eine magnetisierte struktur mit periodischer konfigurierung besitzt
US11703807B2 (en) 2020-08-18 2023-07-18 Kevin Farrelly Nolan Magnetically coupled dead beat escapement breakaway mechanism

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US2946183A (en) * 1955-06-14 1960-07-26 Horstmann Magnetics Ltd Self-starting magnetic escapement mechanisms
CH339582A (de) * 1958-07-14 1959-06-30 Hamilton Watch Co Batteriegespiesene elektrische Uhr

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US3183426A (en) 1962-02-14 1965-05-11 Cons Electronics Ind Magnetically coupled constant speed system
DE1935486U (de) 1965-08-23 1966-03-24 Junghans Geb Ag Vorrichtung zur umwandlung der hin- und herbewegung eines biegeschwingers fuer zeithaltende geraete.
US3518464A (en) 1967-12-30 1970-06-30 Hattori Tokeiten Kk Electromagnetic driving mechanism

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10054908B2 (en) 2015-08-04 2018-08-21 The Swatch Group Research And Development Ltd Escapement with escape wheel with field ramps and non-return
EP3217227A1 (de) * 2016-03-11 2017-09-13 The Swatch Group Research and Development Ltd. Reguliermechanismus eines uhrwerks mit optimierter magnetischer hemmung
JP2017161507A (ja) * 2016-03-11 2017-09-14 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 最適化された磁気式エスケープを備えた計時器用調節機構
US10241475B2 (en) 2016-03-11 2019-03-26 The Swatch Group Research And Development Ltd Timepiece regulating mechanism with optimised magnetic escapement
EP3757682A1 (de) 2019-06-26 2020-12-30 The Swatch Group Research and Development Ltd Uhrwerk, das einen magnetischen hemmungsmechanismus umfasst

Also Published As

Publication number Publication date
WO2015096979A2 (fr) 2015-07-02
EP2911015B1 (de) 2017-08-23
WO2015096979A3 (fr) 2015-11-26
EP2911015A3 (de) 2016-03-30
CH709061A2 (fr) 2015-06-30

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