FIELD: pump and fan manufacture; heat control in aerospace and rocket engineering. SUBSTANCE: heater has housing with inlet and outlet pipe connections that accommodates electric motor with impeller mounted on motor rotor. The latter is annular structure; inlet pipe connection is placed inside rotor. Impeller is mounted on non-intake side of motor. Housing is provided with flange to secure motor for its mounting on flange end. EFFECT: enhanced efficiency and vibration strength without increasing heater size. 1 dwg
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