Swirl (clock industry)

In Clock industry, a swirl is a mechanical device intended to improve the precision of the mechanical watches by counterbalancing the disturbances of the Isochronisme Balancier due to the terrestrial Gravité.

The inventor of this mechanism is Abraham-Louis Breguet, manufacturer of watches for the French royalty.

All the easy way of this mechanism lies in the fact that one can counterbalance the effects of gravity while making turn the beam and the exhaust on themselves. This goal is reached thanks to a cage containing the regulating unit of the watch and carrying out a full rotation in one minute. It goes without saying that this device is very complex to realize, this is why it only equips very little with keyless watches.

Certain watches of very high clock industry use swirls on several axes, or several swirls whose average is used to give the hour.

External bond

Image animated of a swirl

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