Injection system for internal-combustion engine of motor vehicle, has common rail, multiple injectors and fuel high-pressure pump for impingement of common rail with fuel stands under high pressure

摘要

The injection system has a common rail, multiple injectors, a fuel high-pressure pump for impingement of the common rail with highly pressurized fuel and a fuel conveying pump (3) for supplying of fuel for the fuel high-pressure pump. A venturi nozzle (5) is integrated in the fuel conveying pump or its internal cycle.