METHOD OF MAKING FLOATING SEALING FOR ROTOR SHAFT OF COMPRESSOR WITH OIL GATE Russian patent published in 1995 - IPC

FIELD: compressor engineering. SUBSTANCE: shaft is worked, coated with a hard alloy, and polished, the diameter of the shaft at the site of mounting of the floating ring being made lesser by 1-3 mm. The shaft is then worked, degreased, sand-blasted, dried, preliminary heated, coated with wear resistant self-welding powder mixture containing self-fluxing composition powder and hard alloy as chrome carbide and tungsten by plasma method, and polished. EFFECT: enhanced reliability. 1 dwg