CENTRIFUGAL COMPRESSOR Russian patent published in 2019 - IPC F04D29/00 

FIELD: machine building.

SUBSTANCE: invention relates to compressor building, particularly, to gas bypass devices from centrifugal compressor compulsory cavity to inlet of compressor suction chamber. Centrifugal compressor includes housing with covers, shaft with working wheels, dummies, pre-assembled cavity connected by pipeline with inlet of suction chamber. Between inner surface of housing and generatrix of suction chamber there is a cavity connected to channel of housing cover on suction side, made diametrically to inlet hole of suction chamber.

EFFECT: invention allows for gas bypass with minimum possible hydraulic losses.

1 cl, 2 dwg