Patent ID: 6302341
Filing Date: 2001-10-16
Classification: F02M,Y10T

Abstract:
An injector for supplying fuel into the combustion chamber of an internal combustion engine comprising:an injector body having a fuel supplying port adapted to be connected to a fuel rail, a nozzle port injecting the fuel, and a fuel passage connecting the fuel supplying port and the nozzle port;two solenoids mounted in the injector body along the fuel passage; andtwo spools elastically supported by two springs mounted in each of above solenoids respectively and opens or closes selectively the fuel supplying port and the nozzle port;wherein, when the fuel is adapted to be supplied from the fuel rail into the injector body, one spool for supplying the fuel opens the fuel supplying port and the other spool for injecting the fuel closes the nozzle port, whereas when the fuel is adapted to be injected into the combustion chamber, the spool for supplying the fuel closes the fuel supplying port and the other spool for injecting the fuel opens the nozzle port.