FIELD: machine building.
SUBSTANCE: invention relates to use of auxetic material (M) or auxetic structures of turbosupercharger, operating on exhaust gases, with shaft (2) and at least one impeller (W) located on shaft and turbine wheel (T), as well as with housing (3), in which shaft (2), impeller (V) and turbine wheel (T) are located, wherein at least part of body (3) consists of auxetic material (M) with negative Poisson ratio. Due to this, radial clearance set in steady-state mode is narrower than in conventional designs.
EFFECT: as a result, it is possible to achieve higher efficiency coefficient for turbines and higher surging limit for injectors.
10 cl, 2 dwg
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