| 摘要 |
It is characterised in that it includes means for combining, with the order (So) for positioning the gating of the machine obtained by a usual speed regulator (1), a secondary order (S) for positioning of this gating as a function of the variation in pressure at the machine, the said secondary order (S) giving rise to an increase or to a decrease in the said opening which is directly proportional to the increase and the decrease in pressure. <IMAGE>
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