FIELD: machine building.
SUBSTANCE: group of inventions relates to the turbomachine, centrifugal compressor, centrifugal two-stage compressor and axial compressor. Turbomachine comprises crankcase with the inner wall, forming the air path wall and at least one opening, which passes through the crankcase, enters into the said air path and forms the opening for endoscope, wherein during the turbomachine operation the opening is closed by the plug, which has extending the inner wall end surface section. Crankcase inner wall wear indicator makes integral unit with the plug or with the crankcase inner wall near the plug.
EFFECT: technical result of inventions is the crankcase wear control simplification without the need for measuring equipment.
9 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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