Pump for supplying fuel under high pressure for common rail injection system of internal combustion engine, comprises shaft sealing ring, by which pump inner chamber is sealed, and annular filter element arranged in oil guiding area

摘要

The pump (2) comprises a pump inner chamber (6) limited by a pump housing, and a pump flange (4). A drive shaft (8) is arranged in the pump inner chamber, which is arranged with an end portion (10) projecting from the pump flange into an oil guiding area (12) of an internal combustion engine. The drive shaft is extended through the shaft sealing ring (14), by which the pump inner chamber is sealed against the oil guiding area. An annular filter element (16) is provided, which is arranged in the oil guiding area, when the pump is arranged into the oil guiding area.