SYSTEM OF COMPRESSOR SHAFT SEALS Russian patent published in 2015 - IPC F04D29/10 

FIELD: machine building.

SUBSTANCE: system of compressor seals system includes bearings and end seals installed at shaft ends, each of them contains installed in series in direction from the compressor impeller to bearings the labyrinth seal, assembly of end gas dynamic seals, and assembly of barrier seals. At that before the barrier seal a oil thrower is installed, it additionally separates the end seal from the bearing.

EFFECT: this design of the system of the compressor shaft seals excludes oil and oil vapours ingress from bearing assembly on the work surfaces in end seals of the compressor shaft.

1 dwg