Axial pump with inclined plate

An axial piston pump of the rotating inclined plate type for pumping a liquid comprising:

• a head,
• a plurality of cylinders made in the head in a number greater than two, having axes parallel to each other and the cylinders being arranged radially around a common axis parallel to the axes of the cylinders,
• a plurality of pistons, each slidingly inserted within a respective cylinder of the plurality of cylinders for the pumping of the liquid,
• a plurality of delivery ducts made in the head, each of which runs directly from a respective cylinder to a respective delivery valve and is arranged transversely to the axis of the respective cylinder,
• wherein the head has a first side and a second side, the second side being opposite to the first side in relation to an imaginary intersecting plane which contains the common axis and which is parallel to the axes of the cylinders,
• wherein the plurality of cylinders comprises a first group of cylinders, each cylinder of the first group has its own axis between the first side and the imaginary intersecting plane, and a second group of cylinders, each cylinder of the second group has a central axis between the second side and the imaginary intersecting plane,
• wherein the delivery ducts running from the cylinders of the first group of cylinders, run from the respective cylinder towards the first side, and the delivery ducts running from the cylinders of the second group of cylinders, run from the respective cylinder towards the second side, and
• wherein the head and the base of the pump are made is made of a polymeric material,
• wherein the pump comprises a channelling for suctioning the liquid to be pumped, which comprises a primary duct and a plurality of branch ducts, each of said branch ducts being adapted to place the primary duct in fluid communication with a respective cylinder of the plurality of cylinders, and
• wherein the primary duct is positioned between the central axes of the plurality of cylinders and has an axis parallel to the cylinder axes,
• wherein each branch duct comprises a pair of walls, opposing each other, each one provided with respective curved surfaces each one having respectively a single transversal axis of curvature in relation to a plane perpendicular to the central axes of the cylinders.