Adjustable auxiliary temperature compensation system
AssigneeMontres Breguet S.A.
InventorsAlain Zaugg, Davide Sarchi
Life of this patent
Estimating the term…
Abstract
A balance wheel including a rim connected to a hub with at least one arm, wherein the balance wheel includes an adjustable auxiliary temperature compensation system mounted in the space defined by the rim to allow adjustable temperature compensation of the balance wheel.
Claims15
A balance wheel comprising a rim connected to a hub with at least one arm, the balance wheel comprising an adjustable auxiliary temperature compensation system mounted in the space defined by the rim, the adjustable auxiliary temperature compensation system being configured to adjust the temperature compensation of the balance wheel, the temperature compensation system comprising:
- a bimetallic strip device comprising at least one first strip and at least one second strip, said at least one first and at least one second strips each having different expansion coefficients and are arranged such that they are attached on top of one another to ensure that the curvature of the bimetallic strip device varies as a function of temperature, the bimetallic strip device extending between a first end and a second end;
- a fixing device forming an integral part of the first end of the bimetallic strip device, the fixing device comprising adjustable orientation means configured to change the orientation of the compensation system with respect to said at least one arm of the balance wheel,
- a block forming an integral part of the second end of the bimetallic strip device.
Dependencies are inferred from the claim text.