GAS TURBINE ENGINE Russian patent published in 2008 - IPC F02C5/04 

FIELD: engines and pumps.

SUBSTANCE: gas turbine engine incorporates combustion chambers, fuel feed and ignite devices, turbine wheel with its rim outer surface adjoining the case cylindrical part. The outlet holes are arranged on the case faces. The by-pass channels are furnished with inlet and outlet holes arranged along the rotation of the turbine wheel the aforesaid representing the nozzles. The outlet sector openings are partially aligned with the holes arranged in the housing circular shell rings adjoining the turbine wheel rim inner edges. The housing cylindrical part is furnished with direct by-pass channel inlets arranged along the turbine wheel direction. The aforesaid housing part accommodates also the outlet sector openings and inlets communicating with the diffusers whereto the direct by-pass channel outlets pass. The said inlets represent the nozzles furnished with the fuel feed devices. Note that the said case part is also provided with the by-pass channels with inlets and outlets and with outlet holes. The aforesaid fuel feed devices are arranged between the said inlet holes and by-pass channels.

EFFECT: reduced drag and higher specific power output.

3 cl, 6 dwg