Title:
REGULATOR DEVICE FOR THE OPERATION OF A MECHANICAL TIMEPIECE MOVEMENT
Document Type and Number:
WIPO Patent Application WO/2016/037939
Kind Code:
A3
Abstract:
The regulator device (2) for the operation of a mechanical timepiece movement comprises: - a chassis (4); - a resonator fixed to said chassis and comprising a first annular magnetic structure (8) having a first number N1 of magnets, arranged regularly in a circle, and an elastic structure (20,21,22); - a second annular magnetic structure (14) having a second number N2 of magnets and defining a central axis (16) around which said structure turns, N2 being different from N1. The resonator is arranged such that a resonance mode in which the first magnetic structure undergoes a curvilinear movement, preferably substantially circular, around the central axis can be excited by the rotation of the second magnetic structure. The two magnetic structures define a cycloidal magnetic gearing such that the regulator device incorporates a frequency reducer between the resonance frequency and the frequency of rotation of the second magnetic structure rigidly attached to an escapement wheel.
Inventors:
WINKLER PASCAL (CH)
DI DOMENICO GIANNI (CH)
BORN JEAN-JACQUES (CH)
DI DOMENICO GIANNI (CH)
BORN JEAN-JACQUES (CH)
Application Number:
PCT/EP2015/070238
Publication Date:
June 30, 2016
Filing Date:
September 04, 2015
Export Citation:
Assignee:
ETA SA MANUFACTURE HORLOGÈRE SUISSE (CH)
International Classes:
G04C3/10; G04B17/32; G04B18/02; G04C5/00; H02K7/065; H02K49/10
Foreign References:
| BE530509A | ||||
| BE518187A | 1953-09-05 |
Attorney, Agent or Firm:
ICB INGÉNIEURS CONSEILS EN BREVETS SA (Fbg de l'Hôpital 3, 2001 Neuchâtel, CH)
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