gearbox with epicyclic train, notably for turbomachine

摘要

The present invention relates to an epicyclic train reducer, especially for turbocharger, equipped with a device that forms a fluid circulation channel (20a, 20b) for generating a pressure drop, accomplished by stacking at least two elements (22). each element (22) comprising a fluid passage channel (27) for generating a pressure drop and comprising an inlet (28) and an outlet (29). the output (29) respectively the input (28) of the channel (27) of one of the elements (22) is connected to the input (28) respectively of the output (29) of the channel (27) of the other element (22). ).