FIELD: compressors.
SUBSTANCE: methods and systems for the engine turbocharger compressor are presented. For example, a compressor may contain a passageway and a resonant chamber surrounding the passageway, with the passageway being fluidly connected to the resonant chamber via a recirculation channel, a discharge channel, and a plurality of openings located between the recirculation channel and the discharge channel.
EFFECT: due to the passage of the fluid from the resonant chamber through the holes in the passageway, the noise level of the compressor can be reduced.
20 cl, 26 dwg
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