RECIRCULATION STRUCTURE FOR TURBINE COMPRESSOR Russian patent published in 2007 - IPC F04D27/02 

FIELD: aircraft engineering.

SUBSTANCE: recirculation structure comprises ring chamber that is mounted in the zone of the free ends of the blades of the blade rim concentrically to the axis of the turbine compressor and abuts against the main flowing passage. The ring chamber is open from the side of the flowing passage and is provided with a number of deflecting members arranged inside it over periphery. The front section of the ring chamber is provided with the outlet for discharging the recirculating fluid in a given direction. The recesses for flow in the tangential direction of the ring chamber are made between the back section of the ring chamber and its front wall and deflecting members. The free edges of the deflecting members are arranged at or in the vicinity of the line that bounds the circuit of the main flowing passage.

EFFECT: expanded functional capabilities.

13 cl, 6 dwg