H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 9/00 (2006.01) H02K 1/32 (2006.01)
Patent
CA 2270342
A rotating electric machine (1) having a stator (2) provided with windings and a rotor (4) provided with field windings and with salient poles (10) forming pole gaps (9) between the pole shoes (12) of the poles (10), which rotor (4) is arranged to be cooled by air flowing axially through the pole gaps (9) of the rotor (4), wherein each pole gap (9) between the pole shoes (12) is covered by at least one covering member (14) and that the air gap (15) is equipped with a sealing ring (16) to limit axial air flow.
La présente invention concerne une machine électrique tournante (1) comprenant un stator (2) muni d'enroulements et un rotor (4) muni d'enroulements de champ et de pôles saillants (10) formant des espaces interpolaires (9) entre les cornes polaires (12). Ledit rotor (4) est agencé de manière qu'il est refroidi par de l'air circulant dans le sens axial au travers des espaces interpolaires (9) du rotor (4), chaque espace interpolaire (9) séparant les cornes polaires (12) étant recouvert par au moins un élément de couverture (14) et l'entrefer (15) étant pourvu d'une bague d'étanchéité (16) qui limite l'écoulement axial de l'air.
Kylander Gunnar
Leijon Mats
Asea Brown Boveri Ab
Gowling Lafleur Henderson Llp
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