Accessory drive system

H - Electricity – 02 – K

Patent

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Details

H02K 16/02 (2006.01)

Patent

CA 2659768

To provide an accessory drive system which is capable of achieving downsizing of the system, reduction of manufacturing costs thereof, and enhancement of its marketability. An accessory drive system 1 is comprised of a stator 6, a first rotor 5, and a second rotor 7, which include a plurality of armatures 6a, permanent magnets 5a, and first and second cores 7a and 7b, all of which are arranged in a circumferential direction, respectively. One of the first and second rotors 5 and 7 is connected to an accessory 22, and the other to an internal combustion engine 21. Further, when the polarity of a first armature magnetic pole of each armature 6a is different from the polarity of a first magnetic pole of an opposed one of the permanent magnets 5a, the polarity of a second armature magnetic pole of the armature 6a becomes the same as the polarity of a second magnetic pole of the opposed one of the permanent magnets 5a. Further, when a first core 7a is in a position between a first magnetic pole and a first armature magnetic pole, a second core 7b is in a position between two pairs of second armature magnetic poles and second magnetic poles circumferentially adjacent to each other.

La présente invention a trait à un moteur d'entraînement de machine auxiliaire diminuant l'échelle de l'ensemble du système, pouvant être produit à un coût de production réduit et améliorant la qualité marchande. Le moteur d'entraînement de machine auxiliaire (1) comprend des induits (6a) agencés de façon circonférentielle, un stator (6) doté d'aimants permanents (5a) et des premier et second noyaux (7a, 7b), un premier rotor (5) et un second rotor (7). L'un des premier et second rotors (5, 7) est connecté à une machine auxiliaire (22) et l'autre à un moteur à combustion interne (21). Lorsque la polarité du premier pôle magnétique d'induit de l'un des induits (6a) est différente de celle du premier pôle magnétique de l'aimant permanent (5a) s'opposant à l'induit (6a), la polarité du second pôle magnétique d'induit de l'induit (6a) est la même que celle du second pôle magnétique de l'aimant permanent (5a) s'opposant à celui-ci. Lorsque le premier noyau (7a) est positionné entre le premier pôle magnétique et le premier pôle magnétique d'induit, le second noyau (7b) est positionné entre les deux ensembles du second pôle magnétique d'induit et du second pôle magnétique adjacent dans la direction circonférentielle.

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