FIELD: machine engineering.
SUBSTANCE: cleaning channel of turbomachine comprises a first air flow path having a first inlet, a first outlet and a first intermediate portion comprising a first coarse filter. The second air flow path fluidly connected to the first flow channel. The second air flow path has a second intermediate portion containing a second pre-filter. The first valve is located in the first intermediate portion, upstream from the first coarse filter and a second valve located in the second intermediate portion, upstream from the second strainer. The first and second valves are selectively actuated to control fluid passing into a respective one air flow path, the first or second, for filtering air flowing from the compressor to the turbine.
EFFECT: reduced air pollution and the elimination of the need to stop the turbomachine to eliminate clogging of the channels for the cooling air.
20 cl, 2 dwg
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