Patent ID: 6874476

Claim:
A 3/2-way valve for controlling the injection of fuel in a common rail injection system of an internal combustion engine, comprising a control member guided in a housing ( 20 ), wherein the control member in a first switching position opens a hydraulic communication between an injector ( 7 ) and a fuel return ( 42 ), and in a second switching position the control member opens a hydraulic communication between the injector ( 7 ) and an inlet ( 26 ) from a common rail ( 3 ), the control member including a first control piston ( 21 ) and a second control piston ( 22 ); a first valve seat ( 24 ) between the housing ( 20 ) and the first control piston ( 21 ) and a second valve seat between the housing ( 20 ) and the second control piston ( 22 ).