TURBOJET ENGINE UNLOADER, AND TURBOJET ENGINE WITH SAID UNLOADER Russian patent published in 2012 - IPC F02K3/02 

FIELD: engines and pumps.

SUBSTANCE: invention relates to unloader intended for diverting portion of primary flow into secondary flow in turbojet engine. Turbojet engine has primary flow and secondary flow with interflow section arranged there between. Said interflow section comprises inner shell to separate it from primary flow and outer shell to separate it from secondary flow. Besides, turbojet engine comprises intermediate case, inner shell inner openings, outer shell outer openings, and means to open/close said unloading circuit. Said intermediate case has inlet and outlet walls. Inner shell inner openings are located above intermediate case while outer shell outer openings are located there under. Unloading circuit communicates said inner openings with said outer openings via interflow section. Besides, said circuit includes openings at intermediate case inlet and outlet and annular channel. Sais annular channel is confined by intermediate case, outer shell and communication web. Said web rests on intermediate case to cover openings at its outlet in said annular channel and on outer shell to cover its outer openings in annular channel. Invention covers also turbojet engine with above described unloader.

EFFECT: smaller overall dimensions and weight.

13 cl, 10 dwg