Finger of a section for a pipe to be used for the injection of fuel to a high pressure and a pipe to be used for the injection of fuel high pressure, using the finger, he

摘要

The finger (20) has a slot (22) provided with a bottom (22') and formed at a level of an axial center of an end of the finger, where edge parts of the bottom are round and spherical in shape. The end of the finger is inserted in an orifice (23) of a pipe. An end periphery is subjected to deformation in an elastic region by internal pressure i.e. super-high pressure, and re-enters in contact with a conicity inside the orifice of the pipe, where cross section of the end periphery is in arc shape. An independent claim is also included for a pipe for injection of high pressure fuel, comprising a sleeve.