GAS-TURBINE ENGINE ROTOR SUPPORT Russian patent published in 1997 - IPC

FIELD: by-pass engines with reverse-flow gas-air passage. SUBSTANCE: rotor support has an angular ball bearing mounted on the shaft journal, intermediate bush with a radial flange rigidly secured in the inner race of this bearing, and a thrust sliding bearing. Positioned in the radial flange of the intermediate bush is the engaging gear that is engageable with the pivot of the thrust sliding bearing through the shaft radial flange, with the sliding bearing pivot rigidly secured on it. The engaging gear is made in the form of spiral springs placed in circumference in stepped holes available in the radial flange of the intermediate bush, the springs are compressed between the hole shoulders and shaft journal radial flange. EFFECT: improved design. 2 cl, 5 dwg