Patent ID: 6988679

Claim:
In an injection valve for an internal combustion engine, comprising a valve control piston ( 6 ), a valve control chamber ( 2 ) for actuating the valve control piston ( 6 ) into which an inlet conduit ( 3 ), provided with an inlet throttle ( 4 ), communicates with a fuel supply line ( 5 ) and from which a leak fuel conduit ( 23 ) branches off, the leak fuel conduit ( 23 ) being provided with an outlet throttle ( 24 ) therein, a valve control unit actuated by means of a piezoelectric actuator unit ( 8 ) for controlling the valve control chamber ( 2 ), the valve control unit being embodied in valvelike fashion and having a valve closing member( 16 ) cooperating with at least one valve seat ( 17 ), and wherein the valve closing member ( 16 ) and the at least one valve seat ( 17 ) are disposed in the valve control chamber ( 2 ).