PUMP UNIT FOR FEEDING FUEL, PREFERABLY DIESEL FUEL, TO AN INTERNAL COMBUSTION ENGINE

摘要

A pump unit for feeding fuel, preferably, diesel fuel, to an internal combustion engine; the pump unit (1) comprising a head (5) inside which a cylinder (6) extending along an axis (Al) is formed; a pumping piston (7) extending along the axis (Al) and slidably coupled with the cylinder (6); and an intake valve (18) comprising a valve body (22) formed inside the head (5) and in communication with the cylinder (6).