Electrical machine comprising a stator with windings

H - Electricity – 02 – K

Patent

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Details

H02K 3/04 (2006.01) H02K 9/19 (2006.01) H02K 9/197 (2006.01)

Patent

CA 2390340

The invention relates to an electrical machine, for example a motor or a generator, comprising a housing (3) and therein a stator (2) comprising a tubular core (8) and windings (9) surrounding the core wall, said stator windings (9) extending axially and radially with respect to the axis of the core (8), the machine comprising means for cooling the windings (9). As well on the inside as on the outside of the core (8) the windings (9) are for at least 95 % spaced apart, forming gaps (11) between them, the cooling means comprising a cooling medium in these gaps (11).

L'invention concerne une machine électrique, par exemple un moteur ou un générateur, comprenant une carcasse (3) renfermant un stator (2) présentant un noyau tubulaire (8) et des enroulements (9) entourant la paroi du noyau, lesdits enroulements (9) du stator s'étendant axialement et radialement par rapport à l'axe du noyau (8), la machine comprenant par ailleurs des moyens de refroidissement des enroulements (9). L'invention est caractérisée en ce que les enroulements (9) sont espacés d'au moins 95 % aussi bien à l'intérieur qu'à l'extérieur du noyau (8) et forment des espaces (11) entre eux, et en ce que les moyens de refroidissement comprennent une fluide de refroidissement dans lesdits espaces (11).

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