Ventilating device for rotary electrical machine

The ventilating device fixed on a rotor of a rotary electrical machine, comprises a first fan ( 62 a) having a radial plate portion ( 64 a), at least one second fan ( 62 b) having a radial plate portion ( 64 b), and means for fastening the two fans ( 62 a , 62 b), each fan ( 62 a , 62 b) having, at...

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Bibliographische Detailangaben
Hauptverfasser:	TELLIER RICHARD, KIM NAM-GOOK, VASILESCU CLAUDIU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	The ventilating device fixed on a rotor of a rotary electrical machine, comprises a first fan ( 62 a) having a radial plate portion ( 64 a), at least one second fan ( 62 b) having a radial plate portion ( 64 b), and means for fastening the two fans ( 62 a , 62 b), each fan ( 62 a , 62 b) having, at the outer peripheiy of its radial plate portion, first branches ( 78 a) and second branches ( 78 b) which extend radially outwards, at least some of the branches having a blade ( 68 a , 68 b), while at least one first branch ( 78 a) and at least one second branch ( 78 b) includes a first ( 78 a) and a second ( 78 b) mutual overlapping portion to define an overlap zone (Z), the said fastening means ( 80, 82 ) being at least partly arranged at the level of the overlap zone.