Distribution pipe for a common rail injection system of a diesel engine comprises a pressure limiting valve having a valve seat formed on a step of a multi-step bore of the pipe passing through the wall of the pipe

摘要

Distribution pipe (10) comprises a pressure limiting valve having a valve seat (70) formed on a step (62, 64) of a multi-step bore (60) of the pipe passing through the wall of the pipe. Preferred Features: A valve part (74) has a shaft (72) with a front side which is pressed against the valve seat in the sealed arrangement. A pressure spring (86) acts between the valve part and the spring holding part (82) screwed with the distribution pipe.