Schlumberger Industries

Olaf Von Bertrab

A single jet liquid meter includes a measurement chamber connected to an injector and an ejector and equipped with a turbine having a plurality of blades, two consecutive blades being disposed at an angle .beta., the measurement chamber having two end walls opposite to each other and perpendicular to the axis of the chamber, one of the two end walls being constituted by a plate equipped with an even number of ribs, n, greater than four, projecting in the chamber and equally distributed in two sets, two consecutive ribs of the same set being disposed at an angle .alpha. which is determined by the following conditions: .alpha.=(I+2/n).beta./(n/2-1) and (n/2-1).alpha.&lt;90.degree., where I is an integer value greater or equal to zero.

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Oldenburg, Germany

Olaf Von Bertrab