Abstract: A jet tube for a turbomachine having a tubular main part with an axis and delimiting an internal volume opening out at a first end forming an inlet and at a second end forming an outlet. The jet tube also having a nozzle with a first part radially passing through a wall of the main part. The first part has a first area located radially outside the wall and the internal volume, and a second area located radially inside the wall and the internal volume. The nozzle has a second portion extending axially from the second area of the first portion of the nozzle and towards the outlet. The nozzle has a channel passing through the first and second portions of the nozzle and opening into the internal volume at the free end of the second portion of the nozzle.