FIELD: machine building.
SUBSTANCE: turbo-machine includes a stage having blades with a variable setting angle, which are arranged in the housing in a circumferential direction. Each blade includes a control rod radially projecting on the housing outer side and connected by means of a lever to a common control ring coaxial to the above housing and installed with possibility of being rotated on the outside of the housing. Control ring includes two sections fixed with connection side jaws and with an insert on one and the other sides of the above sections at least near ends of the latter. Sections include side grooves into which the above connection jaws are installed.
EFFECT: invention allows increasing control ring stiffness.
9 cl
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