F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04D—NON-POSITIVE-DISPLACEMENT PUMPS
F04D29/00—Details, component parts, or accessories
F04D29/40—Casings; Connections of working fluid
F04D29/52—Casings; Connections of working fluid for axial pumps
F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
F04D29/524—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps shiftable members for obturating part of the flow path
Dispositif d'atténuation des bruits sur un circuit d'admission d'air pour moteur de préférence suralimenté ou appareil de climatisation et circuit d'admission équipé d'un tel dispositif