EP1927036B1 - Tourbillon oblique - Google Patents

Tourbillon oblique Download PDF

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Publication number
EP1927036B1
EP1927036B1 EP06775204A EP06775204A EP1927036B1 EP 1927036 B1 EP1927036 B1 EP 1927036B1 EP 06775204 A EP06775204 A EP 06775204A EP 06775204 A EP06775204 A EP 06775204A EP 1927036 B1 EP1927036 B1 EP 1927036B1
Authority
EP
European Patent Office
Prior art keywords
tourbillon
axis
platform
balance
balance wheel
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.)
Active
Application number
EP06775204A
Other languages
German (de)
English (en)
Other versions
EP1927036A2 (fr
Inventor
Willy SALATHÉ
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.)
Watch-U-Licence AG
Watch U Licence AG
Original Assignee
Watch-U-Licence AG
Watch U Licence AG
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 Watch-U-Licence AG, Watch U Licence AG filed Critical Watch-U-Licence AG
Publication of EP1927036A2 publication Critical patent/EP1927036A2/fr
Application granted granted Critical
Publication of EP1927036B1 publication Critical patent/EP1927036B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/20—Compensation of mechanisms for stabilising frequency
    • G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of imbalance of the weights, e.g. tourbillon
    • G04B17/285—Tourbillons or carrousels

Definitions

  • the invention relates to a tourbillon, respectively a tourbillon module, according to the preamble of the independent claim.
  • Movements with a tourbillon are known from the prior art in which the axis of rotation of the balance are arranged parallel or perpendicular to the axis of rotation of the tourbillon platform.
  • Tourbills are also known from the prior art in which the axis of rotation of the balance is arranged at an angle to the axis of rotation of the platform.
  • the aim of these devices is to reduce the Langeungsautechnik the balance by superimposing further movements.
  • a very complicated example is the flying tourbillon by Walter Prendel, created in 1928 (see: http://www.network54.com ).
  • the escapement is tilted in relation to the axis of rotation of the tourbillon platform.
  • the escapement is coupled to the balance via several mechanical connections (pairs of wheels), resulting in a beautiful but technically non-commercially viable mechanism.
  • EP1564608 shows a tourbillon held on both sides in which the balance and the escapement are arranged obliquely opposite to the axis of rotation of the platform. So that the largest possible balance results, the axes of rotation of the balance and the bogie are arranged in one plane. Furthermore, the axes of rotation of the escapement and the balance are arranged parallel to each other.
  • the escape wheel located on the tourbillon platform In order for the escape wheel located on the tourbillon platform to rotate, it must be operatively connected to a stationary base. This is done in the present case by means of a helical gear. The production of the gear is relatively complex and also provides the rolling, in contrast to a straight toothing, which is also much easier to manufacture, a problem. Other problems result from increased wear due to the high surface pressure.
  • CH694598 shows a multi-axis tourbillon in which the balance is arranged in a cage around three axes. Also, this tourbillon has a very complex structure, but ultimately brings with it no particular advantages in terms of accuracy accuracy.
  • WO 2004/079459 suggests a further improved, position-optimized accuracy of a tourbillon.
  • the object of the invention disclosed herein is to show a tourbillon with an improved, position-optimized accuracy. Another object is to show a tourbillon, which has an improved robustness and a comparatively simple, manufacture and maintenance-friendly construction.
  • the axis of rotation of the balance relative to the axis of rotation of the tourbillon platform is inclined by an angle ⁇ , so that the balance with respect to the movement, in addition to the actual pendulum motion and the superimposed centric or eccentric rotational movement, performs a wobbling motion, which Accuracy, with proper coupling between moving and immovable parts, positively influenced.
  • the angle ⁇ is preferably in the range of 15 ° to 45 °. Other angles are possible depending on that.
  • the axes of rotation of the balance and the tourbillon platform intersect, i. they lie in a plane, or they are skewed to each other. In the case of a skewed arrangement, the angle ⁇ is the projection angle (cutting angle) which can be seen when looking in the direction of the smallest distance between the two axes of rotation.
  • the axes of rotation of the escapement in particular of the escape wheel and of the armature, are arranged substantially parallel to the axis of rotation of the tourbillon platform, since these have no particular influence on the accuracy.
  • Another advantage is that the construction in this regard much easier fails and can be largely resorted to existing, standardized parts.
  • the armature has at its end facing the balance axis a fork and the balance axis on a protruding lever stone with a bulbous, preferably spherical surface, which are engaged during the triggering.
  • the lever block is preferably made of ruby or other suitable material, which allows a possible frictionless power transmission.
  • the lever block compensates for a caused by the inclination of the balance axis height movement in the fork of the armature even with larger inclination of the axis of rotation of the balance relative to the axis of rotation of the armature ( ⁇ ⁇ 30 °). Due to the spherical surface is achieved that even occurring, depending on the embodiment, (relative) pendulum motion is easily compensated.
  • the lever block may be formed substantially cylindrical.
  • the intervening entry and exit surfaces (side cheeks) of the fork have an outward curvature that ensures controlled combing with the lever.
  • a preferred embodiment of the tourbillon has a platform rotatably mounted about a platform axis having an escapement with an escape wheel and an armature rotatable about an escape wheel axis and an armature axis.
  • the escape wheel axis and the armature axis are aligned substantially parallel to the platform axis.
  • a balance is also arranged, which is arranged rotatably about a balance axis, wherein the balance axis is arranged at an inclination angle ⁇ with respect to the platform axis.
  • it has a fork which, on each passage of the balance, is temporarily meshed with a lever stone which has a substantially spherical securing surface.
  • a locking pin may be provided, which cooperates with a conical locking surface, which has a groove extending along a surface line groove and avoids a malfunction of the escapement.
  • the jacket angle corresponds approximately to the angle of inclination ⁇ . In a further embodiment, the jacket angle is approximately half as large as the angle of inclination ⁇ .
  • the balance is held by a lower and an upper balance bearing, with the lower balance bearing above the main bearing, approximately at the height of the tourbillon platform. Good results in terms of wobbling are achieved when the platform axis runs approximately through one of the balance camps.
  • FIGS. 1 to 6 show by way of example all a flying tourbillon, resp. a tourbillon module 1. Corresponding parts carry the same reference number.
  • the tourbillon 1 essentially has a tourbillon platform 2, which is mounted so as to be rotatable relative to a tourbillon base 3 via a ball bearing (main bearing) 4 about a platform axis 5.
  • a balance 6 is arranged rotatably about a balance shaft 7.
  • the balance shaft 7 is held by a lower and an upper, attached to the platform 2 balance bearing 8, 9.
  • a spiral balance spring 10 is at one end with the balance 6 and in the region of the other end with a Balance bridge 11, respectively operatively connected to a control mechanism 12.
  • the balance bridge 11 is supported by supports 17 opposite the platform 2.
  • the balance spring 7 is arranged opposite to the platform axis 5 at an angle of inclination ⁇ .
  • the effect of an additional eccentricity and the associated advantages with respect to the tumbling motion are achieved by one of the balance bearings 8, 9 is arranged approximately at the intersection between the platform axis 5 and the balance axis 7, so that the platform axis 5 is not through the center of the balance 6th runs.
  • the lower balance bearing 9 is disposed above the ball bearing 4 (z-direction).
  • the selected design allows the maintenance of the lower balance bearing 8 from hanging through an opening 18 in the platform 2.
  • the platform 2 has a bearing pin 13 which is pressed in the inner ring 14 of the ball bearing 4 is secured with a locking ring 15 against falling out.
  • the outer ring 16 of the ball bearing 4 is pressed into the platform 3.
  • FIG. 3 allows a view of the escapement 20 is arranged on the platform 2 below the balance 6.
  • the illustrated escapement 20 is an anchor escapement with an escape wheel 21 which is rotatably disposed about an escape wheel shaft 22, and an armature 23 which is arranged to be movable about an armature axis 24.
  • the escape wheel 21 is operatively connected via the escape wheel shaft 22 with a rotor pinion 25 which meshes with a gear 26 which is internally toothed and fixedly attached to the tourbillon base 3 and which is arranged concentrically to the platform axis 5.
  • the anchor pinion 25 rolls in the interior of the gear 26 and causes the escape wheel 21 to rotate about the escape wheel shaft 22.
  • the escapement 20 is arranged in the plane of the platform 2, so that the escape wheel shaft 22 and the armature axis 24 are arranged parallel to the platform axis 5.
  • the armature 23 has two anchor stones 25 (input and output palette) over which it is operatively connected to the escape wheel 21.
  • the armature 23 also has a fork 27 (see. FIG. 4 ), which is temporarily brought into engagement with a lever 28 which is operatively connected to the balance 6 each time the balance 6 is handled.
  • the lever block 28 in the area in which it is brought into engagement with the fork 27 of the balance 6, a substantially spherical surface 29, which causes an optimized rolling against the fork 27.
  • Below the fork 27 is a safety pin 30 (see.
  • FIGS. 4 and 6 which is aligned substantially in the direction of the fork 27 and prevents too early engagement of the armature 23 with the lever block 28, respectively, a malfunction.
  • the safety pin 30 cooperates with a substantially conical locking surface 31 which is concentric with the balance axis 7 and rotates with it.
  • the conicity of the securing surface 31 ensures that the safety pin 30 rests along a surface line of the securing surface 31, so that no negative point loads arise.
  • the securing surface 31 is interrupted in the region of the lever block 28 by a groove 32 running parallel to the securing surface 31.
  • the groove 32 is configured such that the safety pin 30 resting on the locking surface 31 engage in the groove 32.
  • the shell angle (angle between a surface line and the balance axis) of the conical securing surface 31 is the same size as the angle ⁇ between the balance axis 7 and the platform axis 5.
  • the shell angle corresponds to approximately ⁇ / 2, points the security pin has a correspondingly adapted interaction area in the contact area (not visible).

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Rolling Contact Bearings (AREA)
  • Support Of The Bearing (AREA)
  • Toys (AREA)
  • Particle Accelerators (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

La présente invention concerne un tourbillon comprenant un balancier incliné par rapport à la plate-forme de tourbillon. Le mouvement oscillant ainsi obtenu du balancier du tourbillon, permet d'obtenir une précision élevée.

Claims (8)

  1. Tourbillon (1), équipé d'une plateforme (2) disposée de façon à pouvoir tourner autour d'un axe de plateforme (5) et, comportant un échappement (20) comprenant une roue d'échappement (21) et une ancre (23), pouvant tourner autour d'un axe de roue d'échappement (22) et autour d'un axe d'ancre (24) orientés sensiblement parallèlement à l'axe de plateforme, ainsi qu'un balancier (6) disposé de façon à pouvoir tourner autour d'un axe de balancier (7), l'axe de balancier étant disposé selon un angle d'inclinaison α par rapport à l'axe de plateforme.
  2. Tourbillon (1) selon la revendication 1, caractérisé en ce que l'ancre (23) comporte une fourchette (27) coopérant temporairement, à chaque passage du balancier (6), avec une cheville de plateau (28) comportant une surface de verrouillage (31) essentiellement sphérique.
  3. Tourbillon (1) selon la revendication 2, caractérisé en ce que l'ancre (23) comporte une tige de sécurité (30) coopérant avec une surface de verrouillage conique (31) comportant une rainure (32) s'étendant le long d'une ligne de l'enveloppe conique et empêchant un dysfonctionnement de l'échappement (20).
  4. Tourbillon (1) selon la revendication 3, caractérisé en ce que l'angle de l'enveloppe conique correspond à l'angle d'inclinaison α.
  5. Tourbillon selon la revendication 3, caractérisé en ce que l'angle de l'enveloppe conique fait approximativement la moitié de l'angle d'inclinaison α.
  6. Tourbillon (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le balancier (6) est maintenu par des paliers de balancier supérieur et inférieur (8, 9), le palier de balancier inférieur (9) étant disposé au-dessus d'un palier principal (4), approximativement à la hauteur de la plateforme (2) de tourbillon.
  7. Tourbillon (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le balancier (6) est maintenu par des paliers de balancier supérieur et inférieur (8, 9), l'axe de plateforme (5) s'étendant approximativement à travers un des paliers de balancier (8, 9).
  8. Tourbillon (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que le tourbillon est un tourbillon volant qui ne présente qu'un palier (4) de fixation à un mouvement d'horlogerie.
EP06775204A 2005-09-23 2006-09-22 Tourbillon oblique Active EP1927036B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH15622005 2005-09-23
PCT/CH2006/000513 WO2007033513A2 (fr) 2005-09-23 2006-09-22 Tourbillon oblique

Publications (2)

Publication Number Publication Date
EP1927036A2 EP1927036A2 (fr) 2008-06-04
EP1927036B1 true EP1927036B1 (fr) 2012-08-15

Family

ID=37888217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06775204A Active EP1927036B1 (fr) 2005-09-23 2006-09-22 Tourbillon oblique

Country Status (6)

Country Link
US (1) US7857501B2 (fr)
EP (1) EP1927036B1 (fr)
JP (1) JP5010609B2 (fr)
CN (1) CN101268425B (fr)
HK (1) HK1115921A1 (fr)
WO (1) WO2007033513A2 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE462159T1 (de) * 2005-07-13 2010-04-15 Artisans Horlogers Sarl Uhr
WO2008101802A2 (fr) * 2007-02-08 2008-08-28 Complitime Sa Mouvement de montre
CH703788B1 (fr) * 2007-04-04 2012-03-30 Gfpi S A Montre comportant un tourbillon entouré d'un affichage annulaire.
CH702707B1 (fr) 2007-04-05 2011-08-31 Complitime Sa Mouvement de pièce d'horlogerie à tourbillon.
EP2407832B1 (fr) * 2010-07-16 2018-09-05 Richemont International S.A. Mouvement de pièce d'horologerie
CH704063B1 (fr) * 2010-11-09 2013-07-31 Complitime Sa Pièce d'horlogerie
CH705244B1 (fr) * 2011-07-07 2016-06-30 Gfpi S A Pièce d'horlogerie.
CH707079B1 (fr) * 2012-10-15 2017-01-13 Complitime Sa Pièce d'horlogerie à tourbillon.
JP1610164S (fr) * 2017-02-22 2018-07-30
USD843233S1 (en) * 2017-03-07 2019-03-19 Richemont International Sa Watch
JP1599863S (fr) * 2017-03-09 2018-03-19
JP1606139S (fr) * 2017-08-24 2018-06-04
JP1606140S (fr) * 2017-08-24 2018-06-04
JP1606142S (fr) * 2017-08-24 2018-06-04
JP1611253S (fr) * 2017-11-20 2018-08-13
EP3650954A1 (fr) * 2018-11-09 2020-05-13 Montres Breguet S.A. Organe reglant pour montre
EP3770693B1 (fr) 2019-07-23 2022-08-31 Omega SA Mecanisme stop-cage d'horlogerie a roue d'arret
USD1023795S1 (en) * 2023-03-24 2024-04-23 Lvmh Swiss Manufactures Sa Watch case with dial

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1103871A1 (fr) * 1999-09-02 2001-05-30 Creaholic S.A. Indicateur de temps à régulation mécanique
AU2002313572A1 (en) * 2001-08-20 2003-03-03 Complitime S.A. Clockwork movement and part
CH694598A5 (fr) 2002-12-10 2005-04-15 Richemont Int Sa Mouvement d'horlogerie comportant un mécanisme à tourbillon.
US7188995B2 (en) 2003-03-03 2007-03-13 Wtach -U-License Ag Tourbillon
CH697459B1 (fr) * 2003-04-03 2008-10-31 Franck Mueller Watchland S A Tourbillon bi-axial pour mouvement horloger, notamment pour montre-bracelet.
CH697781B1 (fr) 2004-02-13 2009-02-13 Gfpi S A Pièce d'horlogerie munie d'un tourbillon.
CH699838B1 (fr) * 2004-03-09 2010-05-14 Franck Muller Watchland Sa Tourbillon tri-axial pour pièce d'horlogerie, notamment montre-bracelet.
EP1686435B1 (fr) * 2005-01-28 2008-08-27 Richemont International S.A. Pièce d'horlogerie comportant un tourbillon
ATE462159T1 (de) * 2005-07-13 2010-04-15 Artisans Horlogers Sarl Uhr

Also Published As

Publication number Publication date
HK1115921A1 (en) 2008-12-12
CN101268425A (zh) 2008-09-17
CN101268425B (zh) 2011-04-13
WO2007033513A3 (fr) 2007-05-31
WO2007033513A2 (fr) 2007-03-29
JP5010609B2 (ja) 2012-08-29
US7857501B2 (en) 2010-12-28
JP2009509146A (ja) 2009-03-05
EP1927036A2 (fr) 2008-06-04
US20090268565A1 (en) 2009-10-29

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