METHOD FOR ADAPTING A TIMEPIECE MOVEMENT INTENDED TO OPERATE IN ATMOSPHERIC TO THE FUNCTIONING AT A LOWER PRESSURE

METHOD FOR ADAPTING A TIMEPIECE MOVEMENT INTENDED TO OPERATE IN ATMOSPHERIC TO THE FUNCTIONING AT A LOWER PRESSURE

A method for adapting a timepiece movement includes measuring a loss of energy for each free oscillation of the balance at atmospheric pressure; measuring the loss of energy for each free oscillation at a given low pressure corresponding to a working pressure intended for a modified movement; using...

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Hauptverfasser: BAS, Kéwin, CHATEL, Cyrille
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
HOROLOGY
MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL
MECHANICALLY-DRIVEN CLOCKS OR WATCHES
PHYSICS
TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
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creator BAS, Kéwin
CHATEL, Cyrille
description A method for adapting a timepiece movement includes measuring a loss of energy for each free oscillation of the balance at atmospheric pressure; measuring the loss of energy for each free oscillation at a given low pressure corresponding to a working pressure intended for a modified movement; using i) the measured loss of energy at atmospheric pressure and ii) the measured loss of energy at the given low pressure, determining a percentage of energy gain of the balance between respective i) measurements of the measured loss of energy at atmospheric pressure and ii) measurements of the measured loss of energy at the given low pressure; and reducing a torque delivered to the escapement by a value corresponding to the determined percentage of energy gain.
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subjects HOROLOGY
MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL
MECHANICALLY-DRIVEN CLOCKS OR WATCHES
PHYSICS
TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
title METHOD FOR ADAPTING A TIMEPIECE MOVEMENT INTENDED TO OPERATE IN ATMOSPHERIC TO THE FUNCTIONING AT A LOWER PRESSURE
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