Patent ID: 6497220
Filing Date: 2002-12-24
Classification: F02M,F16L

Abstract:
A high-pressure connection (1) for a fuel injection system for internal combustion engines, comprising a connection stub having a longitudinal axis (13), a high-pressure line (5), a lock nut (9), and a sealing face (6), said connection stub (13) having a bore and a thread that are disposed concentrically to said longitudinal axis (7), and the high-pressure line (5) on its end has a counterpart (8) on the end of said high-pressure line (5), said counterpart having a surface corresponding to the sealing face and being pressed onto the sealing face (6) by said lock nut (9) screwed to the connection stub (13), said sealing face (6) and the faces oriented toward one another of the lock nut (9) and the counterpart (8) have the form of a dome with the center points of the domes occupying a common geometric location, wherein that the dome surface of the counterpart (8) directed toward said lock nut (9) is embodied as a spherical ring disk (19).