EP1927036A2 - Oblique tourbillon - Google Patents

Oblique tourbillon

Info

Publication number
EP1927036A2
EP1927036A2 EP06775204A EP06775204A EP1927036A2 EP 1927036 A2 EP1927036 A2 EP 1927036A2 EP 06775204 A EP06775204 A EP 06775204A EP 06775204 A EP06775204 A EP 06775204A EP 1927036 A2 EP1927036 A2 EP 1927036A2
Authority
EP
European Patent Office
Prior art keywords
tourbillon
balance
axis
platform
armature
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
EP06775204A
Other languages
German (de)
French (fr)
Other versions
EP1927036B1 (en
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/en
Application granted granted Critical
Publication of EP1927036B1 publication Critical patent/EP1927036B1/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
    • 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.
  • EP 564608 shows a tourbillon held on both sides in which the balance and the escapement are arranged obliquely with respect 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 wheel rotates 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.
  • 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 a 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 is much easier fails and can be largely recourse 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 a conditional by the inclination of the balance axis height movement in the fork of the armature even at grosserer inclined position of the axis of rotation
  • the balance with respect to the axis of rotation of the armature ( ⁇ ⁇ 30 °) easily compensated,
  • 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 which guarantees 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 anchor 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 securing pin can be provided, which cooperates with a conical securing surface, which has a groove running along a surface line 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, wherein the lower balance bearing is located 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.
  • Fig. 1 a flying tourbillon in a view obliquely from above;
  • FIG. 2 shows the tourbillon according to FIG. 1 in a perspective view obliquely from below
  • FIG. 3 shows the tourbillon according to FIG. 1 in a side view
  • FIG. 5 shows a front view of the tourbillon according to FIG. 1 in a front view
  • FIG. 6 shows a sectional view along the section line DD according to FIG. 5.
  • Figures 1 to 6 show by way of example all a flying tourbillon, respectively.
  • a tourbillon module 1 corresponding parts therefore carry the same reference number.
  • the tourbillon 1 essentially comprises a tourbillon platform 2, which is rotatably mounted about a platform axis 5 relative to a tourbillon base 3 via a ball bearing (main bearing) 4.
  • a balance 6 is arranged rotatably about a balance shaft 7.
  • the balance shaft 6 is held by a lower and an upper, fixed to the platform 2 balance bearing 8, 9.
  • a spiral balance spring 10 is operatively connected at one end to the balance 6 and in the region of the other end with a balance bridge 1 1, respectively with a control mechanism 12.
  • the balance bridge 1 1 is supported by supports 17 relative to 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 Taumelbe- movement 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 not through the center of Balance 6 runs.
  • the lower balance bearing 9 is arranged 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 into the inner ring 14 of the ball bearing 4 in order to be secured against falling out with a securing ring 15.
  • the outer ring 16 of the ball bearing 4 is pressed into the platform 3.
  • Figure 3 allows a view of the escapement 20 on the platform 2 below the balance 2 is arranged in the shown 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, the about an armature axis 24, is arranged to be movable.
  • the escape wheel 21 is operatively connected via the escape wheel shaft 22 with an anchor pinion 25 which meshes with a toothed wheel 26, which is internally toothed and fixedly attached to the tourbillon base 3, 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 23 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 Figure 4), which is temporarily brought into engagement with a lever 28 operatively connected to the balance 6 each time the balance 6 is handled.
  • the lever 28 in the region 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.
  • a safety pin 30 (see Figures 4 and 5) is arranged, 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 securing surface 31, which is aligned concentrically 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 designed such that the safety pin 30 resting on the securing surface 31 engages in the groove 32.
  • the engagement of the lever block 28 in the fork 27 is released, so that a further
  • the jacket angle (angle between a surface line and the balance axis) of the conical securing surface 31 is equal to the angle ⁇ between the balance axis 7 and the platform axis 5,
  • the shell angle corresponds approximately to ⁇ / 2
  • the security pin has a correspondingly adapted interaction surface in the contact region (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)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Toys (AREA)
  • Support Of The Bearing (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Particle Accelerators (AREA)

Abstract

The invention relates to a tourbillon having a balance wheel which is disposed obliquely in relation to the tourbillon platform. On the basis of the resulting wobbling motion of the tourbillon's balance wheel, an improved accuracy is achieved.

Description

Schiefes TourbillonSlanted tourbillon
Die Erfindung betrifft ein Tourbillon, respektive ein Tourbillonmodul, gemäss dem Oberbegriff des unabhängigen Patentanspruchs.The invention relates to a tourbillon, respectively a tourbillon module, according to the preamble of the independent claim.
Aus dem Stand der Technik sind Uhrwerke mit einem Tourbillon bekannt bei denen die Rotations- achse der Unruh parallel oder senkrecht zur Rotationsachse der Tourbillonplattform angeordnet sind. Ebenfalls sind aus dem Stand der Technik Tourbillons bekannt bei denen die Rotationsachse der Unruh in einem Winkel zur Rotationsachse der Plattform angeordnet ist. Das Ziel dieser Vorrichtungen besteht darin die Langeungenauigkeit der Unruh durch Überlagerung weiterer Bewegungen zu vermindern. Ein sehr kompliziertes Beispiel ist der fliegende Tourbillon von Walter Prendel, der 1928 geschaffen wurde (vgl.: http://www.network54.com). Bei diesem Tourbillon ist neben der Unruh auch die Hemmung gegenüber der Rotationsachse der Tourbillonplattform schräg gestellt. Die Hemmung ist über mehrere mechanische Verbindungen (Räderpaare) mit der Unruh gekoppelt, was in einem faszinierenden, aber technisch nicht kommerziell verwertbaren Mechanismus resultiert.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 Langeungsauigkeit 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). In this tourbillon, in addition to the balance, 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 fascinating but technically non-commercially viable mechanism.
EPl 564608 zeigt einen beidseitig gehaltenen Tourbillon bei dem die Unruh und die Hemmung schräg gegenüber der Rotationsachse der Plattform angeordnet sind. Damit eine möglichst grosse Unruh resultiert, sind die Rotationsachsen der Unruh und des Drehgestells in einer Ebene angeordnet. Im Weiteren sind die Rotationsachsen der Hemmung und der Unruh parallel zueinander angeordnet. Damit sich das auf der Tourbillonplattform angeordnete Ankerrad dreht muss es mit einer feststehenden Basis wirkverbunden sein. Dies wird im vorliegenden Fall mittels eines Schrägverzahnten Zahnrades bewerkstelligt. Die Herstellung des Zahnrades ist relativ aufwändig und ausserdem stellt die Abwälzung, im Unterschied zu einer geraden Verzahnung, die ausserdem wesentlich einfacher herzustellen ist, ein Problem dar. Weitere Probleme resultieren durch einen erhöhten Verschleiss aufgrund der hohen Flächenpressung.EP 564608 shows a tourbillon held on both sides in which the balance and the escapement are arranged obliquely with respect 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. 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 zeigt einen mehrachsigen Tourbillon bei dem sich die Unruh in einem Käfig angeordnet um drei Achsen dreht. Auch dieser Tourbillon weist einen sehr komplexen Aufbau auf, der schlussendlich aber keine besonderen Vorteile hinsichtlich Ganggenauigkeit mit sich bringt.CH694598 shows a multi-axis tourbillon in which the balance wheel rotates 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.
Böstätigung^kopie Die Aufgabe der hier offenbarten Erfindung besteht darin, ein Tourbillon mit einer verbesserten, lageoptimierten Ganggenauigkeit zu zeigen. Eine weitere Aufgabe besteht darin ein Tourbillon zu zeigen, das eine verbesserte Robustheit und einen vergleichsweise einfachen, herstellungs- und wartungsfreundlichen Aufbau besitzt.Böstätigung ^ copy 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.
Um eine verbesserte Genauigkeit zu erzielen, wird die Rotationsachse der Unruh gegenüber der Rotationsachse der Tourbillonplattform um einen Winkel α schräg gestellt, so dass die Unruh bezüglich dem Uhrwerk, neben der eigentlichen Pendelbewegung und der überlagerten zentrischen oder exzentrischen Drehbewegung, eine Taumelbewegung ausführt, welche die Genauigkeit, bei richtiger Kopplung zwischen beweglichen und unbeweglichen Teilen, positiv beeinflusst. Der Win- kel a liegt vorzugsweise im Bereich von 15° bis 45°. Andere Winkel sind je nach dem möglich. Je nach Ausführungsform schneiden sich die Rotationsachsen der Unruh und der Tourbillonplattform, d.h. sie liegen in einer Ebene, oder sie sind windschief zu einander angeordnet. Im Fall einer windschiefen Anordnung handelt es sich beim Winkel α um den Projektionswinkel (Schnittwinkel), der zu sehen ist, wenn in Richtung des kleinsten Abstandes der beiden Rotationsachsen geblickt wird.In order to achieve an improved accuracy, the axis of rotation of the balance relative to the axis of rotation of the tourbillon platform is inclined by an angle α, 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 a is preferably in the range of 15 ° to 45 °. Other angles are possible depending on that. Depending on the embodiment, 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 α 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.
Die Rotationsachsen der Hemmung, insbesondere des Ankerrades und des Ankers, sind im Wesentlichen parallel zur Rotationsachse der Tourbillonplattform angeordnet, da diese keinen besonderen Einfluss auf die Genauigkeit nehmen. Ein weiterer Vorteil besteht darin, dass die Konstruktion diesbezüglich wesentlich einfacher ausfällt und weitgehend auf bestehende, standardisierte Teile zurückgegriffen werden kann.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 is much easier fails and can be largely recourse to existing, standardized parts.
Die Überbrückung der Schrägstellung zwischen Unruh und Hemmung erfolgt erfindungsgemäss über die Ausgestaltung der mechanischen Verbindung zwischen dem Anker und der Unruhachse. In einer bevorzugten Ausführungsform weist der Anker an seinem der Unruhachse zugewendet Ende eine Gabel und die Unruhachse einen vorstehenden Hebelstein mit einer bauchigen, vorzugsweise kugeligen Fläche auf, welche während der Auslösung miteinander in Eingriff stehen. Der Hebelstein ist vorzugsweise aus Rubin oder einem anderen geeigneten Material gefertigt, welches eine möglichst reibungsfreie Kraftübertragung ermöglicht. Durch die beschriebene Ausgestaltung wird erreicht, dass der Hebelstein eine durch die Schrägstellung der Unruhachse bedingte Höhenbewegung in der Gabel des Ankers selbst bei grosserer Schrägstellung der Rotationsachse der Unruh bezüglich der Rotationsachse des Ankers (α ≥ 30°) problemlos kompensiert, Durch die kugelige Fläche wird erreicht, dass auch eine, je nach Ausführungsform auftretende, (relative) Pendelbewegung problemlos ausgeglichen wird.The bridging of the inclination between balance and escapement takes place according to the invention via the design of the mechanical connection between the armature and the balance spring axis. In a preferred embodiment, 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. By the described embodiment it is achieved that the lever block a conditional by the inclination of the balance axis height movement in the fork of the armature even at grosserer inclined position of the axis of rotation The balance with respect to the axis of rotation of the armature (α ≥ 30 °) easily compensated, By the spherical surface is achieved that even occurring, depending on the embodiment, (relative) pendulum motion is easily compensated.
Alternativ kann der Hebelstein im Wesentlichen zylindrisch ausgebildet sein. Dafür weisen die in Eingriff tretenden Ein- und Austrittsflächen (Seitenwangen) der Gabel eine nach aussen gerichtete Krümmung auf, die ein kontrolliertes Kämmen mit dem Hebelstein garantiert.Alternatively, the lever block may be formed substantially cylindrical. However, the intervening entry and exit surfaces (side cheeks) of the fork have an outward curvature which guarantees controlled combing with the lever.
Eine bevorzugte Ausführungsform des Tourbillons weist eine um eine Plattformachse drehbar angeordnete Plattform auf, welche eine Hemmung mit einem Ankerrad und einem Anker aufweist, die um eine Ankerradachse und eine Ankerachse drehbar sind. Die Ankerradachse und die Anker- achse sind im Wesentlichen parallel zur Plattformachse ausgerichtet. Auf der Plattform ist zudem eine Unruh angeordnet, die um eine Unruhachse drehbar angeordnet ist, wobei die Unruhachse in einem Neigungswinkel α gegenüber der Plattformachse angeordnet ist. Der weist je nach Ausführungsform eine Gabel auf, die bei jedem Durchgang der Unruh temporär mit einem Hebelstein kämmt der eine im Wesentlichen kugelige Sicherungsfläche aufweist. Ausserdem kann ein Siche- rungsstift vorgesehen sein, der mit einer konischen Sicherungsfläche kooperiert, die eine entlang einer Mantellinie verlaufende Nut aufweist und eine Fehlfunktion der Hemmung vermeidet. In einer bevorzugten Ausführungsform weist entspricht der Mantelwinkel ungefähr dem Neigungswinkel α. In einer weiteren Ausführungsform ist der Mantelwinkel in etwa halb so gross ist wie der Neigungswinkel α. Bei einer bevorzugten Ausführungsform ist die Unruh durch ein unteres und ein oberes Unruhlager gehalten, wobei das untere Unruhlager oberhalb des Hauptlagers, in etwa auf der Höhe der Tourbillonplattform angeordnet ist. Gute Resultate hinsichtlich der Taumelbewegung werden erzielt, wenn die Plattformachse in etwa durch eines der Unruhlager verläuft.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 anchor axis are aligned substantially parallel to the platform axis. On the platform, a balance is also arranged, which is arranged rotatably about a balance axis, wherein the balance axis is arranged at an inclination angle α with respect to the platform axis. Depending on the embodiment, 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. In addition, a securing pin can be provided, which cooperates with a conical securing surface, which has a groove running along a surface line and avoids a malfunction of the escapement. In a preferred embodiment, the jacket angle corresponds approximately to the angle of inclination α. In a further embodiment, the jacket angle is approximately half as large as the angle of inclination α. In a preferred embodiment, the balance is held by a lower and an upper balance bearing, wherein the lower balance bearing is located 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.
Die Erfindung wird anhand der in den nachfolgenden Figuren gezeigten Ausführungsform näher erläutert. Es zeigen schematisch und vereinfacht:The invention will be explained in more detail with reference to the embodiment shown in the following figures. It shows schematically and simplified:
Fig. 1 Ein fliegendes Tourbillon in einer Ansicht von schräg oben;Fig. 1 a flying tourbillon in a view obliquely from above;
Fig. 2 den Tourbillon gemäss Figur 1 in einer perspektivischen Ansicht von schräg unten; Fig. 3 den Tourbillon gemäss Figur 1 in einer Seitenansicht;FIG. 2 shows the tourbillon according to FIG. 1 in a perspective view obliquely from below; FIG. FIG. 3 shows the tourbillon according to FIG. 1 in a side view; FIG.
Fig. 4 Detail E aus Figur 3;Fig. 4 detail E of Figure 3;
Fig. 5 eine Frontalansicht des Tourbillons gemäss Figur 1 in einer Frontalansicht;5 shows a front view of the tourbillon according to FIG. 1 in a front view;
Fig. 6 eine Schnittdarstellung entlang der Schnittlinie DD gemäss Figur 5.6 shows a sectional view along the section line DD according to FIG. 5.
Die Figuren 1 bis 6 zeigen beispielhaft alle ein fliegendes Tourbillon, resp. ein Tourbillonmodul 1 , Sich entsprechende Teile tragen daher dieselbe Referenznummer.Figures 1 to 6 show by way of example all a flying tourbillon, respectively. a tourbillon module 1, corresponding parts therefore carry the same reference number.
Wie besonders gut aus den Figuren 1 bis 3 und 5 hervorgeht, weist das Tourbillon 1 im Wesentlichen eine Tourbillonplattform 2 auf, die gegenüber einer Tourbillonbasis 3 über ein Kugellager (Hauptlager) 4 um eine Plattformachse 5 drehbar gelagert ist. Auf der Tourbillonplattform 2 ist eine Unruh 6 um eine Unruhachse 7 drehbar gelagert angeordnet. Die Unruhachse 6 ist durch ein unteres und ein oberes, an der Plattform 2 befestigtes Unruhlager 8, 9 gehalten. Eine spiralförmige Unruhfeder 10 ist am einen Ende mit der Unruh 6 und im Bereich des anderen Endes mit einer Unruhbrücke 1 1 , respektive mit einem Regelmechanismus 12 wirkverbunden. Die Unruhbrücke 1 1 ist über Stützen 17 gegenüber der Plattform 2 abgestützt. Die Unruhachse 7 ist gegenüber der Plattformachse 5 in einem Neigungswinkel α angeordnet. Bei der gezeigten Ausführungsform schneiden sich die Plattform- und die Unruhachse 5, 7, resp. sie sind in einer Ebene angeordnet. Je nach Ausführungsform besteht die Möglichkeit die Achsen windschief zueinander anzuordnen. Der Effekt eine zusätzlichen Exzentrizität und der damit verbunden Vorteile bezüglich der Taumelbe- wegung werden erzielt, indem eines der Unruhlager 8, 9 in etwa im Schnittpunkt zwischen der Plattformachse 5 und der Unruhachse 7 angeordnet ist, so dass die Plattformachse 5 nicht durch das Zentrum der Unruh 6 verläuft.As can be seen particularly well from FIGS. 1 to 3 and 5, the tourbillon 1 essentially comprises a tourbillon platform 2, which is rotatably mounted about a platform axis 5 relative to a tourbillon base 3 via a ball bearing (main bearing) 4. On the Tourbillonplattform 2 a balance 6 is arranged rotatably about a balance shaft 7. The balance shaft 6 is held by a lower and an upper, fixed to the platform 2 balance bearing 8, 9. A spiral balance spring 10 is operatively connected at one end to the balance 6 and in the region of the other end with a balance bridge 1 1, respectively with a control mechanism 12. The balance bridge 1 1 is supported by supports 17 relative to the platform 2. The balance spring 7 is arranged opposite to the platform axis 5 at an angle of inclination α. In the embodiment shown, the platform and the balance axis 5, 7, respectively intersect. they are arranged in one plane. Depending on the embodiment, it is possible to arrange the axes skewed. The effect of an additional eccentricity and the associated advantages with respect to the Taumelbe- movement 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 not through the center of Balance 6 runs.
Wie insbesondere aus Figur 6 hervorgeht, ist das untere Unruhlager 9 oberhalb des Kugellagers 4 angeordnet (z-Richtung). Die gewählte Bauform ermöglicht die Wartung des unteren Unruhlagers 8 von hingen durch eine Öffnung 18 in der Plattform 2. Die Plattform 2 weist einen Lagerzapfen 13 auf, der im Innenring 14 des Kugellagers 4 einge- presst ist um mit einem Sicherungsring 1 5 gegen herausfallen gesichert ist. Der Aussenring 16 des Kugellagers 4 ist in die Plattform 3 eingepresst.As can be seen in particular from FIG. 6, the lower balance bearing 9 is arranged 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 into the inner ring 14 of the ball bearing 4 in order to be secured against falling out with a securing ring 15. The outer ring 16 of the ball bearing 4 is pressed into the platform 3.
Figur 3 ermöglicht einen Blick auf die Hemmung 20 auf der Plattform 2 unterhalb der Unruh 2 angeordnet ist Bei der gezeigten Hemmung 20 handelt es sich um eine Ankerhemmung mit einem Ankerrad 21 , das um eine Ankerradwelle 22 drehbar angeordnet ist, und einem Anker 23, der um eine Ankerachse 24, beweglich angeordnet ist. Das Ankerrad 21 ist über die Ankerradwelle 22 mit einem Ankerritzel 25 wirkverbunden, das mit einem hier innenverzahnten und an das Tour- billonbasis 3 fest angebrachten Zahnrad 26 kämmt, das konzentrisch zur Plattformachse 5 ange- ordnet ist. Bei einer Drehung der Tourbillonplattform 2 um die Plattformachse 5 wälzt sich das Ankerritzel 25 im Innern des Zahnrades 26 und bewirkt, dass sich das Ankerrad 21 um die Ankerradwelle 22 dreht.Figure 3 allows a view of the escapement 20 on the platform 2 below the balance 2 is arranged in the shown 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, the about an armature axis 24, is arranged to be movable. The escape wheel 21 is operatively connected via the escape wheel shaft 22 with an anchor pinion 25 which meshes with a toothed wheel 26, which is internally toothed and fixedly attached to the tourbillon base 3, which is arranged concentrically to the platform axis 5. Upon rotation of the tourbillon platform 2 about 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.
Im Unterschied zur Unruh 2 ist die Hemmung 20 in der Ebene der Plattform 2 angeordnet, so dass die Ankerradwelle 22 und die Ankerachse 23 parallel zur Plattformachse 5 angeordnet sind. Der Anker 23 weist zwei Ankersteine 25 (Ein- und Ausgangspalette) auf über die er mit dem Ankerrad 21 wirkverbunden ist. Der Anker 23 weist zudem eine Gabel 27 (vgl. Figur 4) auf, die mit einem mit der Unruh 6 wirkverbundenen Hebelstein 28 bei jedem Umgang der Unruh 6 temporär in Eingriff gebracht wird. Bei der gezeigten Ausführungsform weist der Hebelstein 28 im Bereich, in dem er mit der Gabel 27 der Unruh 6 in Eingriff gebracht wird, eine im Wesentlichen kugelige Fläche 29 auf, die eine optimierte Abwälzung gegenüber der Gabel 27 bewirkt. Unterhalb der Gabel 27 ist ein Sicherheitsstift 30 (vgl. Figuren 4 und 5) angeordnet, der im Wesentlichen in Richtung der Gabel 27 ausgerichtet ist und ein zu frühes Eingreifen des Ankers 23 mit dem Hebelstein 28, respektive eine Fehlfunktionen verhindert. Der Sicherheitsstift 30 wirkt mit einer im Wesentlichen konischen Sicherungsfläche 31 zusammen, die konzentrisch zur Unruhachse 7 ausge- richtet ist und mit dieser mitdreht. Durch die Konizität der Sicherungsfläche 31 wird erreicht, dass der Sicherheitsstift 30 entlang einer Mantellinie der Sicherungsfläche 31 aufliegt, so dass keine negativen Punktlasten entstehen. Die Sicherungsfläche 31 ist im Bereich des Hebelsteins 28 durch eine parallel zur Sicherungsfläche 31 verlaufende Nut 32 unterbrochen. Die Nut 32 ist so ausgestaltet, dass der auf der Sicherungsfläche 31 aufliegende Sicherheitsstift 30 in die Nut 32 eingrei- fen. Damit wird auch der Eingriff der Hebelsteins 28 in die Gabel 27 freigegeben, so dass ein wei- terer Impuls auf vom Anker 23 auf die Unruh 6 übertragen wird, In der gezeigten Ausführungsform ist der Mantelwinkel (Winkel zwischen einer Mantellinie und der Unruhachse) der konischen Sicherungsfläche 31 gleich gross wie der Winkel α zwischen der Unruhachse 7 und der Plattform- achse 5, Bei einer anderen Ausführungsform entspricht der Mantelwinkel in etwa α/2, dafür weist der Sicherheitsstift eine entsprechend angepasste Interaktionsfläche im Kontaktbereich auf (nicht sichtbar).In contrast to the balance 2, the escapement 20 is arranged in the plane of the platform 2, so that the escape wheel shaft 22 and the armature axis 23 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 Figure 4), which is temporarily brought into engagement with a lever 28 operatively connected to the balance 6 each time the balance 6 is handled. In the embodiment shown, the lever 28 in the region 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, a safety pin 30 (see Figures 4 and 5) is arranged, 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 securing surface 31, which is aligned concentrically 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 designed such that the safety pin 30 resting on the securing surface 31 engages in the groove 32. Thus, the engagement of the lever block 28 in the fork 27 is released, so that a further In the embodiment shown, the jacket angle (angle between a surface line and the balance axis) of the conical securing surface 31 is equal to the angle α between the balance axis 7 and the platform axis 5, In another embodiment, the shell angle corresponds approximately to α / 2, but the security pin has a correspondingly adapted interaction surface in the contact region (not visible).
Mittels der beschriebenen Vorrichtung besteht die Möglichkeit mit einem vergleichsweise einfachen Mechanismus in einer Stufe eine grosse Schiefstellung der Unruhachse 7 gegenüber der Plattformachse 5 zu realisieren. By means of the described device it is possible to realize a large misalignment of the balance spring 7 with respect to the platform axis 5 with a comparatively simple mechanism in one step.

Claims

Patentansprücheclaims
1 Tourbillon mit einer um eine Plattformachse drehbar angeordneten Plattform, welche eine Hemmung mit einem Ankerrad und einem Anker aufweist, welche um eine Ankerradachse und eine Ankerachse drehbar sind, die im Wesentlichen parallel zur Plattformachse ausge- richtet sind, und eine Unruh, die um eine Unruhachse drehbar angeordnet ist, wobei dieA tourbillon having a platform rotatably mounted about a platform axis and having an escapement with an escape wheel and an armature which are rotatable about an escape wheel axis and an armature axis oriented substantially parallel to the platform axis, and a balance wheel pivoting about one Resting axis is arranged rotatably, the
Unruhachse in einem Neigungswinkel α gegenüber der Plattformachse angeordnet ist.Unruhachse is arranged at an inclination angle α relative to the platform axis.
2 Tourbillon gemäss Patentanspruch 1 , dadurch gekennzeichnet, dass der Anker eine Gabel aufweist, die bei jedem Durchgang der Unruh temporär mit einem Hebelstein kämmt der eine im Wesentlichen kugelige Sicherungsfläche aufweist.2 tourbillon according to claim 1, characterized in that the armature has a fork, which intermeshes temporarily with each turn of the balance with a lever stone having a substantially spherical locking surface.
3 Tourbillon gemäss Patentanspruch 2, dadurch gekennzeichnet, dass der Anker einen Sicherungsstift aufweist, der mit einer konischen Sicherungsfläche kooperiert, die eine entlang einer Mantellinie verlaufende Nut aufweist und eine Fehlfunktion der Hemmung vermeidet.3 tourbillon according to claim 2, characterized in that the armature has a locking pin which cooperates with a conical locking surface having a groove extending along a surface line groove and avoids a malfunction of the escapement.
4 Tourbillon gemäss Patentanspruch 3, dadurch gekennzeichnet, dass der Mantelwinkel dem Neigungswinkel α entspricht.4 tourbillon according to claim 3, characterized in that the shell angle α corresponds to the inclination angle.
5 Tourbillon gemäss Patentanspruch 3, dadurch gekennzeichnet, dass der Mantelwinkel in etwa halb so gross ist wie der Neigungswinkel α.5 tourbillon according to claim 3, characterized in that the jacket angle is approximately half as large as the inclination angle α.
6 Tourbillon gemäss einem der vorangehenden Patentansprüche, dadurch gekennzeichnet, dass die Unruh durch ein unteres und ein oberes Unruhlager gehalten wird, wobei das un- tere Unruhlager oberhalb eines Hauptlagers, in etwa auf der Höhe der Tourbillonplattform angeordnet ist.6 tourbillon according to one of the preceding claims, characterized in that the balance is held by a lower and an upper balance bearing, wherein the lower balance bearing is arranged above a main bearing, approximately at the height of the tourbillon platform.
7 Tourbillon gemäss einem der vorangehenden Patentansprüche, dadurch gekennzeichnet, dass die Plattformachse in etwa durch eines der Unruhlager verläuft. Tourbillon gemäss einem der vorangehenden Patentansprüche, dadurch gekennzeichnet, dass das Tourbillon ein fliegendes Tourbillon ist, das nur auf einer Seite eine Lagerung gegenüber einem Uhrwerk aufweist 7 tourbillon according to one of the preceding claims, characterized in that the platform axis extends approximately through one of the balance bearings. Tourbillon according to one of the preceding claims, characterized in that the tourbillon is a flying tourbillon, which has only on one side a bearing relative to a clockwork
EP06775204A 2005-09-23 2006-09-22 Oblique tourbillon Active EP1927036B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH15622005 2005-09-23
PCT/CH2006/000513 WO2007033513A2 (en) 2005-09-23 2006-09-22 Oblique tourbillon

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EP1927036A2 true EP1927036A2 (en) 2008-06-04
EP1927036B1 EP1927036B1 (en) 2012-08-15

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US (1) US7857501B2 (en)
EP (1) EP1927036B1 (en)
JP (1) JP5010609B2 (en)
CN (1) CN101268425B (en)
HK (1) HK1115921A1 (en)
WO (1) WO2007033513A2 (en)

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EP2175327A1 (en) * 2005-07-13 2010-04-14 Les Artisans Horlogers Sàrl Timepiece
US7946755B2 (en) * 2007-02-08 2011-05-24 Complitime Sa Watch movement
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EP2407832B1 (en) * 2010-07-16 2018-09-05 Richemont International S.A. Timepiece movement
CH704063B1 (en) 2010-11-09 2013-07-31 Complitime Sa Timepiece
CH705244B1 (en) * 2011-07-07 2016-06-30 Gfpi S A Timepiece.
CH711316B1 (en) * 2012-10-15 2017-01-13 Complitime Sa Timepiece with tourbillon.
JP1599408S (en) * 2017-02-22 2018-03-12
JP1599812S (en) * 2017-03-07 2018-03-19
JP1599863S (en) * 2017-03-09 2018-03-19
JP1606140S (en) * 2017-08-24 2018-06-04
JP1606142S (en) * 2017-08-24 2018-06-04
JP1606139S (en) * 2017-08-24 2018-06-04
JP1611253S (en) * 2017-11-20 2018-08-13
EP3650954A1 (en) * 2018-11-09 2020-05-13 Montres Breguet S.A. Governor for a watch
EP3770693B1 (en) * 2019-07-23 2022-08-31 Omega SA Timepiece stop-cage mechanism with stop wheel
USD1023795S1 (en) * 2023-03-24 2024-04-23 Lvmh Swiss Manufactures Sa Watch case with dial

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Also Published As

Publication number Publication date
EP1927036B1 (en) 2012-08-15
JP5010609B2 (en) 2012-08-29
WO2007033513A3 (en) 2007-05-31
JP2009509146A (en) 2009-03-05
CN101268425B (en) 2011-04-13
WO2007033513A2 (en) 2007-03-29
US7857501B2 (en) 2010-12-28
US20090268565A1 (en) 2009-10-29
HK1115921A1 (en) 2008-12-12
CN101268425A (en) 2008-09-17

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