Importance

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Abstract

A hydraulic torquemeter comprising a rod which is translatable in a longitudinal direction under the effect of axial thrust which is representative of the torque to be measured, and a hydraulic circuit in which a fluid flows. It also comprises a manometric capsule comprising a pressure chamber which is supplied with fluid by said hydraulic circuit, a sealed flexible membrane which is in contact with the fluid in the pressure chamber, extends in a plane which is substantially perpendicular to said rod, and is rigidly connected to one end of the rod in such a way that a longitudinal movement of the rod deforms the membrane, a drain port for the fluid in said pressure chamber, and a valve designed to adjust the pressure of the fluid in said pressure chamber according to the deformation of said membrane.

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First Claim