FIELD: engines and pumps.
SUBSTANCE: proposed compressor comprises outer case and at least one line of fixed vanes with variable angle that are furnished with rotary axles. Axles of vanes cross the case through holes via inserts that make plain bearings. Each insert comprises metal cartridge, a one-piece outer part, and ceramic ring soldered in between ceramic ring outer surface and cartridge inner wall. Each vane axle comprises additionally a plug-in ring made from metal based on nickel, iron or cobalt and fitted on said axle. The other invention of proposed set relates to the insert intended for fitting into compressor case through hole to make plain bearing of vane axle with variable angle. Insert consists of metal cartridge, a one-piece outer part, and ceramic ring soldered in between ceramic ring outer surface and cartridge inner wall. One end of the cartridge comprises the flange running radially outward.
EFFECT: higher reliability.
4 cl, 7 dwg
