Patent ID: 6698801
Filing Date: 2004-03-02
Classification: F02M

Abstract:
A connection stub (1) for connecting a high pressure line (5) in a fuel injection system for internal combustion engines to a housing (2) having a through bore (6) leading to the interior of the housing, an annular face (10) and a sealing face (14) concentric to the through bore in said housing, said sealing face being disposed closer to the interior of the housing than said annular face, said connection stub (1) having a through bore (7) with a longitudinal axis extending longitudinally relative to said connection stub (1), a first end of the connection stub (1), on which a collar (9) having an annular face is disposed concentrically with the through bore (7) of the connection stub, and a second end, on which a sealing face (19) for the high-pressure line (5) and means (8) for connecting the high-pressure line (5) and the connection stub (1) are disposed, said sealing face (19) on said second end being disposed closer to the through bore (7) of the connection stub than said means (8) for connecting the high-pressure line (5) to the connection stub, said connection stub (1) comprising a prestressing element on its first end, said prestressing element being disposed concentrically with the through bore (7) of the connection stub, and a sealing face (13) disposed on the end of said prestressing element remote from the first end of the connection stub (1), wherein the annular face on said collar is spaced from the sealing face on said prestressing element a greater distance than the annular face on said housing is spaced from the sealing face on said housing.