Patent ID: RE44544

Claim:
An electroinjector provided to control fuel injection in an internal combustion engine comprising: an electroactuator having a solenoid operable by electrical commands to control a metering valve, an injection nozzle, and a pin which is movable so as to open and close the nozzle under control of the metering valve, wherein the solenoid is driven by a first electrical command with a first maximum command value and a second electrical command, supplied before the first electrical command reaches zero, with a second maximum command value, each of said first and second electric commands including an intermediate and constant command value below the first and second maximum command values, said electric commands having a duration as to displace the pin into first and second opening positions without any discontinuity in time, said opening positions defining corresponding degrees of opening of said injection nozzle, and wherein said second command is supplied so as to start displacement of the pin into said second opening position when said pin is closing the injection nozzle.