Long base inclinometer with optical measurement
AssigneesCentre National De La Recherche Scientifique, Universite De Montpellier
InventorFREDERICK BOUDIN
Life of this patent
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Abstract
A tiltmeter to measure a variation in inclination of a structure from a given starting position. The tiltmeter has two pots, each pot contains an identical volume and identical height of an identical liquid. A communication device connects the two pots and allows the liquid to flow between the two pots by the principle of communicating vessels. Two optical measuring devices are provided, one optical measuring device per pot. Each optical measuring device measures a variation in height of the level of liquid in the associated pot. The optical measuring devices are fiber optic devices coupled to a common light source.
Claims5
1-4. (canceled)
A tiltmeter to measure a tilt variation of a structure from a given starting position, comprising:
- two pots, each pot containing an identical volume and an identical height of an identical liquid;
- a communication device configured to connect the two pots and to enable the liquid to flow between the two pots in accordance with a principle of communicating vessels;
- two optical measuring devices, one optical measuring device per pot, each optical measuring device measures a variation Δz in height of a liquid level of the liquid in the associated pot;
- and
- wherein the optical measuring devices are fiber optic devices coupled to a common light source.
Dependencies are inferred from the claim text.