FIELD: electrical engineering; DC motors for tailoring industry. SUBSTANCE: proposed air- cooled contactless DC machine has frame, shaft-mounted fan and pulley, as well as protective shroud with port for passing the belt; novelty is that mentioned fan is mounted directly behind pulley on shaft extension; end surface of protective shroud is provided with inlet vent and its side surface has section against fan blades which is beveled through 40-50 deg. EFFECT: simplified design, facilitated manufacture, reduced cost. 2 cl, 1 dwg
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