FIELD: electrical engineering.
SUBSTANCE: invention relates to the electrical equipment. Cooling structure for dynamo-electric machine comprises coolant feed channel (4) for introducing coolant into rotor (2), coolant outlets (43a), which exit into coolant feed channel (4), so that cooler will be sprayed to ends (32e) of stator coil (3) at rotation of rotor (2). In channels (14a) of cooler spraying between coolant outlets (43a) and coil ends (32e) blocking wall elements (5) are provided to reflect part of cooler, which is sprayed from coolant outlets (43a) at rotation of rotor (2). Degree of protection of ends (32e) of coil from cooler by blocking wall elements is low at rotation of rotor (2) at low speed and high - at high speed.
EFFECT: technical result consists in provision of efficient and cheap engine cooling.
5 cl, 14 dwg
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