FIELD: engines and pumps.
SUBSTANCE: there proposed is device for air charging to guide channel (42) of centrifugal compressor, which directs the main flow between wheel of compressor (10, 11) and storage cavity (43), which includes discrete number of inlet holes (51) which are located in a circumferential direction and directed at a tangent, having Coanda structure and made in the form of atomisers through which air can be supplied at a tangent to guide channel (42) between rotating blades (11) of compressor wheel and guide blades (21) of diffuser. At that, in wall (32) of compressor housing in the area of storage cavity (43) there made is at least one intake hole (52), and inlet holes (51) are connected via channel (44) at least to one intake hole (52).
EFFECT: increasing compression pressure and operating reliability at spiral air charging to turbosupercharger.
7 cl, 3 dwg
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