High pressure connection device, fuel high pressure pump and method of manufacturing high pressure connection device for fuel high pressure pump

摘要

The invention relates to a high-pressure connection device (50) for a high-pressure fuel pump (10), having the following: —an outlet device (18) for discharging fuel (14) from the high-pressure fuel pump (10); —a connection device (22) for connecting the outlet device (18) to elements arranged downstream of the outlet device; —a welding seam (30) for connecting the outlet device (18) and the connection device (22); and —a pretensioning device (52) for exerting a pretension force (Fv) onto the welding seam (30) in the direction of the outlet device (18). The invention further relates to a high-pressure fuel pump (10) which has such a high-pressure connection device (50) and to a method for producing such a high-pressure connection device (50).