Valve, especially three/two-way valve as fuel measuring mechanism of common-rail-injection system for internal combustion engines, has inset in hydraulic connection with pressure chamber above valve seat

摘要

The valve comprises an inset (23) in the area of the conical valve seat (20). The inset is in hydraulic connection with the pressure chamber (15) above the valve seat. The section of the valve seat which forms the conical valve seat, is acted upon inwardly from outside by the high pressure fluid.