Patent ID: 6138986
Filing Date: 2000-10-31
Classification: F02M,F04B

Abstract:
A solenoid valve for monitoring diesel fuel flow through a supply line to a high-pressure pump which pumps fuel to a common rail injection system of an internal combustion engine, in which the solenoid valve is a 2/2-way solenoid valve comprising a solenoid in a magnet chamber, an armature (18), a valve tappet (11) and a valve dosing body (9), said valve closing body is moveable by said solenoid via said armature and said valve tappet against a fuel flow to move the valve closing body to a valve seat for closing the valve, said valve tappet protrudes through a guide sleeve (12) into an armature chamber (13) receiving said armature and said valve tappet, said armature and said magnet chamber are exposed to a flow of the diesel fuel downstream of the valve seat and sealed in relation to an outside by means of at least one O-ring (16, 17).