FIELD: machine building.
SUBSTANCE: invention relates to the diffuser (20) for radial turbine machine, such as a centrifugal compressor (100) or radial turbine, in particular for said centrifugal compressor (100). Said diffuser (20) has a substantially annular hollow space (30) bounding at least a first radial side surface (21, 23). According to invention in said lateral surface (21, 23) there is at least one substantially circumferential annular groove (50).
EFFECT: object of invention is to provide a reliable and simple muffler.
10 cl, 4 dwg
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| 0 |
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SU384559A1 |
