System for improving the starting of a diesel engine, has high pressure accumulator for compressing the fuel

摘要

The system includes a high pressure pump (10) which compresses the fuel for the engine, with a high pressure accumulator (rail 20) is installed downstream of the high pressure pump, and fuel injectors (30) to which the fuel is supplied. A valve (19) temporarily isolates the high pressure accumulator or a part of its volume, during the starting operation.