Pressure meter probe and pressure meter

Details Pressure meter probe and pressure meter Pressure meter probe and pressure meter

E - Fixed Constructions

02

D

E02D 1/02 (2006.01)

Patent

CA 2633426

The invention relates to a pressure meter probe (1), comprising a central inflatable sleeve (11), two inflatable sleeves (12, 13) adjacent to and situated on either side of the central sleeve (11), a liquid supply duct (32) connected to the central sleeve (11), and a gas supply duct (33) connected to the adjacent sleeves (12, 13), the invention being noteworthy in that the probe (1) additionally comprises a reservoir (4) intended to contain additional gas (G) and liquid (L) volumes (Vg, Vl), the liquid volume (Vl) of the reservoir (4) being in communication with the central sleeve (11) via the liquid supply duct (32), and the gas volume (Vg) of the reservoir (4) being connected to the gas supply duct (33).

L'invention a pour objet une sonde pour pressiomètre (1), comprenant un manchon gonflable central (11), deux manchons gonflables (12, 13) adjacents au manchon central (11) et situés de part et d'autre de ce dernier, un conduit d'alimentation en liquide (32) relié au manchon central (11), un conduit d'alimentation en gaz (33) relié aux manchons adjacents (12, 13), remarquable en ce que la sonde (1) comprend en outre un réservoir (4) destiné à contenir des volumes complémentaires (Vg, Vl) de gaz (G) et de liquide (L) , le volume de liquide (Vl) du réservoir (4) étant en communication avec le manchon central (11) via le conduit d'alimentation en liquide (32), le volume de gaz (Vg) du réservoir (4) étant relié au conduit d'alimentation en gaz (33).

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