FIELD: aircraft industry.
SUBSTANCE: invention relates to mobile gas-turbine plants, mainly, for airfield gas-jet snow cleaners. According to invention, heat exchanger is installed at engine input, and air flow passing through engine or part of this flow passes through heat exchanger. Required temperature of oil in engine at its input maintained by means of bypass pipeline with fitted-in variable section valve which, depending on oil temperature transmitter at engine input, distributes oil flows passing through heat exchanger and by passing heat exchanger.
EFFECT: provision of small-size air cooling system for oil where engine proper is source of cooling air flow.
1 dwg
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