FIELD: transport.
SUBSTANCE: claimed unit comprises shell structure (1), motor (3), cooling system (12) with closed gas circulation, closed fluid cooling system (15) that incorporates inner chamber, gas-fluid heat exchanger (17). Said cooling system (12) comprises gas (13) and gas circulation means (14) to force gas (13) through channels (23) in motor (3). Gas-fluid heat exchanger (17) exchanges heat power between gas (13) in cooling system (12) and fluid (16) in closed fluid circulation cooling system (15). Cooling system (12) with closed gas circulation, closed fluid cooling system (15) and gas-fluid heat exchanger (17) are the integral part of claimed propulsive unit.
EFFECT: efficient cooling of propulsive unit.
24 cl, 72 dwg
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