Radial flow piston pump has pump housing with several cylinder bores and a ventilation non-return valve at highest point in pressure collecting chamber

摘要

The piston pump has a pump housing (2) with several cylinder bores (4) containing delivery pistons (3) driven by an eccentric (1) and associated with a pressure collecting chamber (8). At the highest point in the pressure collecting chamber there is a ventilation non-return valve (9).