TURBOMACHINE Russian patent published in 1995 - IPC

FIELD: power engineering industry. SUBSTANCE: turbomachine has diaphragm with guide blades 2 and diaphragm labyrinth seal 3, drum-type rotor 4 with working blades 5 and tail intermediate parts 6 provided with through bypass passages 7 whose total passage area is equal to 0.005 to 0.075 of area of passages of working blades 5; cross-section of bypass passages 7 corresponds to shape of cross section of passages of working blades 5. EFFECT: enhanced reliability. 7 dwg