| 摘要 |
A variable displacement pump, the delivery of which is controlled through the medium of a toothed rack meshing with a pinion through which the piston of the pump is adapted to slide axially, said piston being adapted to rotate jointly with said pinion and to move in translation jointly with pump actuation means, and the toothed rack meshing with an auxiliary shaft pinion the angular position of which is located by an indicating needle, thus ensuring a measurement of the delivery of said pump.
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