EP2891930A3 - Device for regulating the angular speed of a mobile in a clock movement comprising a magnetic escapement - Google Patents

Device for regulating the angular speed of a mobile in a clock movement comprising a magnetic escapement Download PDF

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Publication number
EP2891930A3
EP2891930A3 EP14199882.3A EP14199882A EP2891930A3 EP 2891930 A3 EP2891930 A3 EP 2891930A3 EP 14199882 A EP14199882 A EP 14199882A EP 2891930 A3 EP2891930 A3 EP 2891930A3
Authority
EP
European Patent Office
Prior art keywords
magnetic
regulating
magnetic material
oscillator
physical parameter
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
EP14199882.3A
Other languages
German (de)
French (fr)
Other versions
EP2891930B1 (en
EP2891930A2 (en
Inventor
Gianni Di Domenico
Pascal Winkler
Jérôme Favre
Jean-Luc Helfer
Baptiste Hinaux
Dominique Léchot
Patrick Ragot
Fanel Piccini
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
Application filed by Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP14199882.3A priority Critical patent/EP2891930B1/en
Publication of EP2891930A2 publication Critical patent/EP2891930A2/en
Publication of EP2891930A3 publication Critical patent/EP2891930A3/en
Application granted granted Critical
Publication of EP2891930B1 publication Critical patent/EP2891930B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
    • 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
    • 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
    • G04C3/06—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 electromagnetic coupling between electric power source and balance
    • 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
    • G04C3/06—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 electromagnetic coupling between electric power source and balance
    • G04C3/065—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 electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
    • G04C3/066—Constructional details, e.g. disposition of coils
    • 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
    • G04C3/06—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 electromagnetic coupling between electric power source and balance
    • G04C3/065—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 electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
    • G04C3/067—Driving circuits with distinct detecting and driving coils
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Micromachines (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)

Abstract

L'invention concerne un dispositif régulateur de la vitesse angulaire relative entre une structure magnétique (42) et un résonateur (46) couplés magnétiquement et formant un oscillateur (42) qui définit un échappement magnétique. La structure magnétique comprend au moins une piste annulaire (52) formée d'un matériau magnétique dont un paramètre physique est corrélé à l'énergie potentielle magnétique de l'oscillateur, le matériau magnétique étant agencé le long de la piste annulaire de sorte que ce paramètre physique varie angulairement de manière périodique. La piste annulaire comprend dans chaque période angulaire une zone (56) d'accumulation d'énergie potentielle magnétique dans l'oscillateur adjacente radialement à une zone d'impulsion. Le matériau magnétique, dans chaque zone d'accumulation, est agencé de manière que le paramètre physique de ce matériau magnétique augmente angulairement de manière progressive ou diminue angulairement de manière progressive.

Figure imgaf001
The invention relates to a device for regulating the relative angular velocity between a magnetic structure (42) and a resonator (46) magnetically coupled to form an oscillator (42) which defines a magnetic escapement. The magnetic structure comprises at least one annular track (52) formed of a magnetic material whose physical parameter is correlated with the magnetic potential energy of the oscillator, the magnetic material being arranged along the annular track so that Physical parameter varies angularly periodically. The annular track includes in each angular period a zone (56) of magnetic potential energy accumulation in the oscillator adjacent radially to a pulse zone. The magnetic material, in each accumulation zone, is arranged in such a way that the physical parameter of this magnetic material increases angularly in a progressive manner or decreases angularly in a progressive manner.
Figure imgaf001
EP14199882.3A 2013-12-23 2014-12-22 Device for regulating the angular speed of a mobile in a clock movement comprising a magnetic escapement Active EP2891930B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14199882.3A EP2891930B1 (en) 2013-12-23 2014-12-22 Device for regulating the angular speed of a mobile in a clock movement comprising a magnetic escapement

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13199428 2013-12-23
EP14176816 2014-07-11
EP14199882.3A EP2891930B1 (en) 2013-12-23 2014-12-22 Device for regulating the angular speed of a mobile in a clock movement comprising a magnetic escapement

Publications (3)

Publication Number Publication Date
EP2891930A2 EP2891930A2 (en) 2015-07-08
EP2891930A3 true EP2891930A3 (en) 2016-07-13
EP2891930B1 EP2891930B1 (en) 2018-09-19

Family

ID=52103092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14199882.3A Active EP2891930B1 (en) 2013-12-23 2014-12-22 Device for regulating the angular speed of a mobile in a clock movement comprising a magnetic escapement

Country Status (7)

Country Link
US (2) US9483026B2 (en)
EP (1) EP2891930B1 (en)
JP (1) JP6087895B2 (en)
CN (1) CN104730898B (en)
CH (1) CH709031B1 (en)
HK (1) HK1211711A1 (en)
RU (1) RU2670236C2 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2998801A1 (en) * 2014-09-19 2016-03-23 The Swatch Group Research and Development Ltd. Magnetic clock escapement and device for controlling the operation of a clock movement
CH710025B1 (en) * 2013-12-23 2018-06-29 Eta Sa Mft Horlogere Suisse Mechanical watch movement with magnetic escapement.
EP3128379B1 (en) * 2015-08-04 2019-10-02 The Swatch Group Research and Development Ltd. Escapement with escape wheel with field rramps and a non-return device
EP3128380B1 (en) * 2015-08-04 2018-11-21 ETA SA Manufacture Horlogère Suisse Watch regulator mechanism with magnetically synchronised rotary arms
EP3179316B1 (en) 2015-12-10 2021-09-15 Nivarox-FAR S.A. Contactless cylinder escapement
EP3182224B1 (en) * 2015-12-18 2019-05-22 Montres Breguet S.A. Safety regulator for timepiece escapement
EP3208667B1 (en) * 2016-02-18 2024-12-25 The Swatch Group Research and Development Ltd Magnetic escapement mobile for timepiece
EP3217227B1 (en) * 2016-03-11 2019-02-27 The Swatch Group Research and Development Ltd. Timepiece regulator mechanism with optimised magnetic escapement
CH713056A2 (en) * 2016-10-18 2018-04-30 Eta Sa Mft Horlogere Suisse Clockwork mechanical movement with two degrees of freedom resonator with roller maintenance mechanism on a track.
EP3316046B1 (en) * 2016-10-25 2019-07-31 The Swatch Group Research and Development Ltd Optimised clock movement
EP3339982B1 (en) * 2016-12-23 2021-08-25 The Swatch Group Research and Development Ltd Regulation by mechanical breaking of a horological mechanical oscillator
EP3602206B1 (en) 2017-03-28 2020-12-30 The Swatch Group Research and Development Ltd Mechanical timepiece comprising a movement of which the operation is improved by a correction device
JP6843268B2 (en) 2017-03-28 2021-03-17 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 A timekeeper with a mechanical movement whose movement is enhanced by an adjustment device
EP3561609B1 (en) * 2018-04-23 2022-03-23 ETA SA Manufacture Horlogère Suisse Shock protection of a resonator mechanism with rotatable flexible guiding
EP3579058B1 (en) 2018-06-07 2021-09-15 Montres Breguet S.A. Timepiece comprising a tourbillon
JP6843191B2 (en) * 2018-07-24 2021-03-17 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 Timekeeping oscillator with flexor bearings with long square strokes
EP3629104B1 (en) * 2018-09-27 2021-05-12 The Swatch Group Research and Development Ltd Mechanical timepiece comprising an electronic device for regulating the time keeping precision of the timepiece
EP3757682B1 (en) 2019-06-26 2022-03-09 The Swatch Group Research and Development Ltd Timepiece movement comprising a magnetic escapement
EP3757684B1 (en) * 2019-06-26 2024-10-16 The Swatch Group Research and Development Ltd Inertial mobile for timepiece resonator with device for magnetic interaction insensitive to external magnetic field
EP3767397B1 (en) 2019-07-19 2022-04-20 The Swatch Group Research and Development Ltd Clock movement comprising a rotary element provided with a magnetic structure having a periodic configuration
EP3787178A1 (en) * 2019-08-30 2021-03-03 Miniswys Sa Piezoelectric drive unit
EP3800513B1 (en) * 2019-10-04 2023-08-09 ETA SA Manufacture Horlogère Suisse Timepiece including a means for indicating am-pm
EP3842876B1 (en) * 2019-12-24 2025-02-19 The Swatch Group Research and Development Ltd Timepiece fitted with a mechanical movement and a device for correcting the time displayed
EP3882711B1 (en) * 2020-03-18 2024-08-07 The Swatch Group Research and Development Ltd Timepiece movement comprising an escapement provided with a magnetic system
EP3885843A1 (en) * 2020-03-24 2021-09-29 The Swatch Group Research and Development Ltd Watch with mechanical or electronic movement equipped with a striking mechanism

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Publication number Priority date Publication date Assignee Title
US3183426A (en) * 1962-02-14 1965-05-11 Cons Electronics Ind Magnetically coupled constant speed system
DE1935486U (en) * 1965-08-23 1966-03-24 Junghans Geb Ag DEVICE FOR CONVERTING THE TO-AND-BACK MOVEMENT OF A BENDING VIBRATOR FOR TIME-HOLDING DEVICES.
US3518464A (en) * 1967-12-30 1970-06-30 Hattori Tokeiten Kk Electromagnetic driving mechanism
JPS5240366A (en) * 1975-09-27 1977-03-29 Jeco Co Ltd Escapement wheel for magnetic escapement

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FR1113932A (en) 1953-11-07 1956-04-05 Horstmann Magnetics Ltd Mechanism comprising magnetically coupled oscillating and rotating systems
US2946183A (en) 1955-06-14 1960-07-26 Horstmann Magnetics Ltd Self-starting magnetic escapement mechanisms
US3410083A (en) * 1966-02-04 1968-11-12 Army Usa Timing mechanism
DE1673670B2 (en) * 1967-06-27 1972-01-27 Fa Muller Schlenker, 7220 Schwen ningen ELECTRIC CLOCK WITH MAGNETIC DRIVE OF A POLE WHEEL
CH510284A (en) * 1968-11-02 1971-02-26 Omega Brandt & Freres Sa Louis Transmission device for converting a vibratory movement of a rotating resonator into a timepiece
GB1308551A (en) * 1969-03-07 1973-02-21 Mauthe Gmbh Friedr Device for converting oscillatory movement into rotary movement
JPS5041914Y1 (en) * 1969-12-16 1975-11-28
GB1327043A (en) 1970-01-12 1973-08-15 Horstmann Magnetics Ltd Electromechanical oscillators with rotary output
CH953070A4 (en) * 1970-06-24 1974-10-15
US3671825A (en) * 1970-08-07 1972-06-20 Armec Corp Timing motor with resonant members
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183426A (en) * 1962-02-14 1965-05-11 Cons Electronics Ind Magnetically coupled constant speed system
DE1935486U (en) * 1965-08-23 1966-03-24 Junghans Geb Ag DEVICE FOR CONVERTING THE TO-AND-BACK MOVEMENT OF A BENDING VIBRATOR FOR TIME-HOLDING DEVICES.
US3518464A (en) * 1967-12-30 1970-06-30 Hattori Tokeiten Kk Electromagnetic driving mechanism
JPS5240366A (en) * 1975-09-27 1977-03-29 Jeco Co Ltd Escapement wheel for magnetic escapement

Also Published As

Publication number Publication date
JP2015121541A (en) 2015-07-02
CH709031B1 (en) 2021-01-29
CH709031A2 (en) 2015-06-30
RU2670236C2 (en) 2018-10-19
CN104730898A (en) 2015-06-24
US9465366B2 (en) 2016-10-11
EP2891930B1 (en) 2018-09-19
CN104730898B (en) 2017-11-17
HK1211711A1 (en) 2016-05-27
US9483026B2 (en) 2016-11-01
US20150177697A1 (en) 2015-06-25
EP2891930A2 (en) 2015-07-08
US20150177698A1 (en) 2015-06-25
RU2014152043A (en) 2016-07-10
JP6087895B2 (en) 2017-03-01

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