PURGING A DIRECT INJECTION ENGINE INJECTOR RAMP

摘要

The invention concerns a circuit supplying fuel to an internal combustion engine injector (14) ramp (5) comprising a low pressure pump (2) located in a fuel tank (7) and communicating, through a supply conduit (3), with a high pressure direct injection pump (4) and a high pressure regulator (6) regulating the high pressure delivered to the injector ramp. The circuit further comprises means for purging (18) the injector ramp and purging control means (12) controlling the purging means to purge the ramp at the engine initial start and during hot starting.