FIELD: electrical engineering.
SUBSTANCE: electric machine (5) has a groove (12) in the active part (2, 3). The groove (12) is closed with a groove seal (1, 1'). The groove seal has a channel (6) for directing the fluid (20). Groove seal (1, 1') has a hole (19), wherein the hole (19) opens the channel (6) to the air gap (21). The hole (19) is a nozzle, and it is possible to use a phase transition.
EFFECT: improving the cooling of an electric machine.
7 cl, 7 dwg
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