FIELD: mechanical engineering, manufacture of engines, domestic equipment. SUBSTANCE: blades of fan carry electric heating elements and have conduits for flow of heat transfer agent. Electric heating elements are connected via contact rings to immobile brushes and power supply source. Immobile collector for heat transfer agent is located at certain distance along diameter from axle of fan. EFFECT: raised efficiency of cooling system. 1 dwg
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Authors
Dates
2001-09-10—Published
2000-05-10—Filed