H - Electricity – 02 – K
Patent
H - Electricity
02
K
H02K 5/14 (2006.01) H02K 9/28 (2006.01)
Patent
CA 2735700
Electrical machine, in particular AC generator, having a stator (16) and a rotor (20), wherein the rotor (20) has a conductor arrangement for exciting an electromagnetic field, having a device for transmitting electrical energy to the conductor arrangement, wherein the device for transmitting electrical energy comprises at least one sliding contact and at least one mating contact (66) which is fixed to the rotor, having a fitting sleeve (63) in which a roller bearing (28) for supporting a shaft (27) is preferably arranged, said shaft for the most part encasing the at least one mating contact (66) which is fixed to the rotor, wherein a fan (70) is arranged in the fitting sleeve (63).
L'invention concerne une machine électrique, en particulier un alternateur, comprenant un stator (16) et un rotor (20), ce rotor (20) portant un ensemble conducteur destiné à produire un champ électromagnétique, ainsi qu'un dispositif pour transmettre de l'énergie électrique à l'ensemble conducteur, ce dispositif comportant au moins un contact glissant et au moins un contre-contact (66) fixé à demeure sur le rotor. Un manchon ajusté (63), dans lequel est disposé de préférence un palier à roulement (28) destiné à supporter un arbre (27), entoure en majeure partie le ou les contre-contacts (66) fixés à demeure sur le rotor. Selon l'invention, un ventilateur (70) est disposé dans ce manchon ajusté (63).
Dikmenli Erdogan
Schurig Dieter
Fetherstonhaugh & Co.
Robert Bosch Gmbh
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