High pressure pump for fuel injector of internal combustion engine, has engine, which is arranged in housing, where cam is provided with drive shaft and plunger assembly

摘要

The high pressure pump (1) has an engine, which is arranged in a housing, where a cam is provided with a drive shaft and a plunger assembly. Piston pumps (7,7') are provided, which are driven with the rotation of the drive shaft and cam around a rotational axis, where an engine compartment (26) is directly filled and vented with a lubricant through a port (35) formed on the housing. An independent claim is also included for a method for filling an engine compartment of a high pressure pump.