Patent Number: 6,308,689

Title: Injection valve for an internal combustion engine

Abstract: An injection valve for an internal combustion engine, including a servovalve having a movable valve element providing a constriction in the fuelpath to the injection nozzle during an initial phase of the injection. Themovable valve element includes a piston-like projection above a groovethat, during the main phase of the injection period, emerges from a boreand thereby opens a direct path for the fuel that bypasses theconstriction.

Inventors: Augustin; Ulrich (Kernen, DE)


International Classification:

Expiration Date: 10/32013