Perfected pump of multiple cylinders. (Machine-translation by Google Translate, not legally binding)

摘要

Improved multi-cylinder pump, characterized in that at the end of the drive shaft to the inside of the box or casing has a support plate to which a disc-shaped cam is attached having a circular partition starting from an area located almost at the same level as the disc rises in two ramps until finishing in the zone of maximum height. (Machine-translation by Google Translate, not legally binding)