LOW-PRESSURE FLOWING SECTION OF TURBINE Russian patent published in 1995 - IPC

FIELD: power engineering. SUBSTANCE: low-pressure flowing part of the turbine has working wheel 1 of the last stage, diffuser 2 defined by outer contour 3 and inner contour 4, and guiding ring rib 5 defining additional passageway 6 together with the inner contour. The outer contour of diffuser 2 does not overlap the working wheel of the last stage. Guiding rib 5 is made so that the main area defined by the rib and inner contour 4 of the passageway does not exceed 10% of the outlet area of working wheel 1. EFFECT: enhanced reliability. 2 dwg