FIELD: transport.
SUBSTANCE: invention relates to propulsion engineering, particularly, to control valve for screw-rotor compressor with oil injection. Oil in compressor housing can be fed via control valve to heat exchanger and/or bypass so that cold oil is directed via heat exchanger bypass while hot oil is directed via heat exchanger. Said control valve is provided with distributing piston actuated by heat-sensitive distributing element. Distributing piston has distributing opening to interact with heat exchanger opening and bypass opening in control valve body. Oil is forced from control valve opening via distributing element to distributing opening.
EFFECT: accelerated heating of compressor oil even at short-term ON-position.
16 cl, 1 dwg
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