Hybrid alternator

H - Electricity – 02 – K

Patent

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Details

H02K 1/22 (2006.01) H02H 7/06 (2006.01) H02K 1/24 (2006.01) H02K 1/27 (2006.01) H02K 16/00 (2006.01) H02K 19/36 (2006.01) H02K 21/04 (2006.01) H02P 9/00 (2006.01) H02P 9/30 (2006.01) H02H 5/04 (2006.01) H02K 3/51 (2006.01) H02K 9/06 (2006.01) H02K 11/00 (2006.01) H02K 19/10 (2006.01)

Patent

CA 2216834

A hybrid alternator comprising a stator (702) and a rotor (710) mounted for rotation within the stator and separated therefrom by an air gap. The rotor has a rotor core defining a plurality of magnetic poles (716) wherein adjacent ones of the magnetic poles have alternating north and south magnetic fields. The plurality of magnetic poles comprises a plurality of permanent magnet poles (716a, 716b) and a plurality of electromagnetic poles (716). Each permanent magnet pole is defined by a permanent magnet (718). The plurality of permanent magnet poles comprises two (2) sets of diametrically positioned permanent magnet poles. The hybrid alternator also includes a temperature monitoring voltage regulator that provides protection against overheating damage while permitting the alternator to significantly exceed its rated output for short periods of time or in colder ambient temperatures.

L'invention concerne un alternateur hybride composé d'un stator (702) dans lequel tourne un rotor (710), ces deux éléments étant séparés par un entrefer. Le noyau du rotor comporte plusieurs pôles magnétiques (716) de polarité alternée positive et négative. Ces pôles magnétiques comprennent une pluralité de pôles d'aimants permanents (716a, 716b) et une pluralité de pôles électromagnétiques (716). Chaque pôle d'aimant permanent est défini par un aimant permanent (718). Les pôles des aimants permanents sont divisés en deux groupes diamétralement opposés. L'alternateur hybride comprend également un régulateur de tension termovariable qui assure la protection contre les surchauffes, tout en permettant à l'alternateur de dépasser sensiblement sa capacité nominale pendant de courtes périodes, ou lorsque la température ambiante est basse.

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