Patent ID: 7278348

Claim:
A high-pressure pump for a fuel injection system of an internal combustion engine, comprising a drive shaft ( 12 ), at least one pump element ( 14 ), which has a pump piston ( 20 ) driven in a reciprocating motion by the drive shaft ( 12 ), a ring ( 18 ) rotatably supported on a portion ( 16 ) of the drive shaft ( 12 ) disposed eccentrically to the pivot axis ( 13 ) of the drive shaft, on which ring the pump piston ( 20 ) is braced via a support element ( 24 ), many microscope indentations ( 42 ) formed in the ring ( 18 ) and/or the support element ( 24 ), at least in their contact region; and a solid lubricant film ( 40 ) is applied to at least one of the ring ( 18 ) and the support element ( 24 ) in the region of the microscopic indentations.