EP1927036B1 - Oblique tourbillon - Google Patents

Oblique tourbillon 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
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EP
European Patent Office
Prior art keywords
tourbillon
axis
platform
balance
balance wheel
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EP06775204A
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German (de)
French (fr)
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EP1927036A2 (en
Inventor
Willy SALATHÉ
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Watch-U-Licence AG
Watch U Licence AG
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Watch-U-Licence AG
Watch U Licence AG
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Publication of EP1927036A2 publication Critical patent/EP1927036A2/en
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    • 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).

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

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 Rotationsachse 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.

EP1564608 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. 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. 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 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 schlägt eine weitere verbesserte, lageoptimierte Ganggenauigkeit eines Tourbillons vor. WO 2004/079459 suggests a further improved, position-optimized accuracy of a tourbillon.

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.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 Winkel α 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 α 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 much easier fails and can be largely resorted 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 grösserer 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 anchor and, the balance axle. 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 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 (α ≥ 30 °). Due to 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 that ensures 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 Ankerachse 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 Sicherungsstift 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 armature 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 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. 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, 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.

Die Erfindung wird anhand der in den nachfolgenden Figuren gezeigten Ausführungsform näher erläutert. Es zeigen schematisch und vereinfacht:

Fig. 1
Ein fliegendes Tourbillon in einer Ansicht von schräg oben;
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. 4
Detail E aus Figur 3;
Fig. 5
eine Frontalansicht des Tourbillons gemäss Figur 1 in einer Frontalansicht;
Fig. 6
eine Schnittdarstellung entlang der Schnittlinie DD gemäss Figur 5.
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
A flying tourbillon in a view from diagonally above;
Fig. 2
according to the tourbillon FIG. 1 in a perspective view obliquely from below;
Fig. 3
according to the tourbillon FIG. 1 in a side view;
Fig. 4
Detail E off FIG. 3 ;
Fig. 5
a frontal view of the tourbillon according FIG. 1 in a frontal view;
Fig. 6
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.The 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.

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 7 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 11, respektive mit einem Regelmechanismus 12 wirkverbunden. Die Unruhbrücke 11 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 Taumelbewegung 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.How very good of the FIGS. 1 to 3 and 5 As can be seen, 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. On the Tourbillonplattform 2 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 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 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.

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.As in particular from FIG. 6 shows, 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.

Die Plattform 2 weist einen Lagerzapfen 13 auf, der im Innenring 14 des Kugellagers 4 eingepresst ist um mit einem Sicherungsring 15 gegen herausfallen gesichert ist. Der Aussenring 16 des Kugellagers 4 ist in die Plattform 3 eingepresst.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.

Figur 3 ermöglicht einen Blick auf die Hemmung 20 auf der Plattform 2 unterhalb der Unruh 6 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 Tourbillonbasis 3 fest angebrachten Zahnrad 26 kämmt, das konzentrisch zur Plattformachse 5 angeordnet 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. FIG. 3 allows a view of the escapement 20 is arranged on the platform 2 below the balance 6. In 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. 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 6 ist die Hemmung 20 in der Ebene der Plattform 2 angeordnet, so dass die Ankerradwelle 22 und die Ankerachse 24 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 6) 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 ausgerichtet 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 eingreifen. Damit wird auch der Eingriff der Hebelsteins 28 in die Gabel 27 freigegeben, so dass ein weiterer 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 Plattformachse 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 6, 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. In the embodiment shown, 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. Thus, the engagement of the lever block 28 is released in the fork 27, so that a further pulse is transmitted from the armature 23 to the balance 6. In the embodiment shown, 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 α between the balance axis 7 and the platform axis 5. In another embodiment, the shell angle corresponds to approximately α / 2, points the security pin has a correspondingly adapted interaction area in the contact area (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 (8)

  1. Tourbillon (1) with a platform (2) which is arranged rotatably about a platform axis (5) and has an escapement (20) with an escape wheel (21) and pallets (23), which are respectively rotatable about an escape wheel axis (22) and pallets axis (24) that are oriented substantially parallel to the platform axis, and a balance wheel (6) which is arranged rotatably about a balance wheel axis (7), wherein the balance wheel axis is arranged at an angle of inclination α in relation to the platform axis.
  2. Tourbillon (1) according to Claim 1, characterized in that the pallets (23) has a fork (27) which, upon each passage of the balance wheel (6), temporarily meshes with an impulse pin (28) which has a substantially spherical locking surface (31).
  3. Tourbillon (1) according to Claim 2, characterized in that the pallet (23) has a locking pin (30) which cooperates with a conical locking surface (31), which has a groove (32) running along a surface line of the conical envelope, and avoids malfunctioning of the escapement (20).
  4. Tourbillon (1) according to Claim 3, characterized in that the surface angle of the conical envelope corresponds to the angle of inclination α.
  5. Tourbillon according to Claim 3, characterized in that the surface angle of the conical envelope is approximately half the size of the angle of inclination α.
  6. Tourbillon (1) according to one of the preceding claims, characterized in that the balance wheel (6) is held by a lower and an upper balance wheel bearing (8, 9), the lower balance wheel bearing (9) being arranged above a main bearing (4), approximately at the height of the tourbillon platform (2).
  7. Tourbillon (1) according to one of the preceding claims, characterized in that the balance wheel (6) is held by a lower and an upper balance wheel bearing (8, 9), wherein the platform axis (5) runs approximately through one of the balance wheel bearings (8, 9).
  8. Tourbillon (1) according to one of the preceding claims, characterized in that the tourbillon is a cantilevered tourbillon which has a mounting (4) only on one side in relation to a watch movement.
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

Publications (2)

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

Family

ID=37888217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06775204A Active EP1927036B1 (en) 2005-09-23 2006-09-22 Oblique tourbillon

Country Status (6)

Country Link
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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Publication number Priority date Publication date Assignee Title
EP1744229B1 (en) * 2005-07-13 2010-03-24 Les Artisans Horlogers Sàrl Timepiece
DE602008003406D1 (en) * 2007-02-08 2010-12-23 Complitime S A CLOCKWORK
CH703788B1 (en) * 2007-04-04 2012-03-30 Gfpi S A Watch, has balance wheel pivotally mounted in cage around rotation axis, and protruding upper surface of annular display units, where rotation axis forms constant and non-zero angle with another rotation axis
CH702707B1 (en) * 2007-04-05 2011-08-31 Complitime Sa workpiece movement of tourbillon watches.
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.
CH707079B1 (en) * 2012-10-15 2017-01-13 Complitime Sa Timepiece with tourbillon.
JP1610164S (en) * 2017-02-22 2018-07-30
USD837081S1 (en) * 2017-03-07 2019-01-01 Richemont International Sa Watch dial
JP1599863S (en) * 2017-03-09 2018-03-19
JP1606139S (en) * 2017-08-24 2018-06-04
JP1606140S (en) * 2017-08-24 2018-06-04
JP1606142S (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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Publication number Priority date Publication date Assignee Title
EP1103871A1 (en) * 1999-09-02 2001-05-30 Creaholic S.A. Mechanically regulated time indicator
CH1419419H1 (en) * 2001-08-20 2022-03-15 Gfpi S A
CH694598A5 (en) * 2002-12-10 2005-04-15 Richemont Int Sa Clockwork for clock piece e.g. wristwatch, has tourbillon mechanism comprising balance-carrying support unit rotating around rotation axis that is not coaxial or parallel to rotation axis of balance
WO2004079459A2 (en) * 2003-03-03 2004-09-16 Watch-U-License Ag Tourbillon
CH697459B1 (en) * 2003-04-03 2008-10-31 Franck Mueller Watchland S A Bi-axial Tourbillon watch movement to include wristwatch.
CH697781B1 (en) * 2004-02-13 2009-02-13 Gfpi S A timepiece provided with a tourbillon.
CH699838B1 (en) * 2004-03-09 2010-05-14 Franck Muller Watchland Sa Tourbillon tri-axial timepiece, particularly wristwatch.
DE602005009316D1 (en) * 2005-01-28 2008-10-09 Richemont Int Sa Clock with tourbillon
EP1744229B1 (en) * 2005-07-13 2010-03-24 Les Artisans Horlogers Sàrl Timepiece

Also Published As

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

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