Perfected pump for the impulsion of fluids (Machine-translation by Google Translate, not legally binding)

摘要

Improved pump for the discharge of fluids, characterized in that it comprises a general body equipped with an impeller borehole in communication at its two ends with respective inlet and outlet ports and drying drills with the previous one, the first of said drills being provided with a screw impeller and each of the boreholes mentioned in second place of specific closing screws that mesh with the driving screw. (Machine-translation by Google Translate, not legally binding)