Rechargeable vacuum with reduced ac voltage

H - Electricity – 02 – K

Patent

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Details

H02K 23/64 (2006.01) H02P 4/00 (2006.01)

Patent

CA 2631553

A motor is disclosed that operates on either AC outlet power or DC battery power with decreased power drop when switching between AC and DC power. The AC power to the motor may be stepped down by using a clipper circuit, while the DC power supplied to the motor may be increased by switching motor field windings from a series wound circuit to a parallel wound circuit. The motor may be used in a vacuum motor embodiment, or in other consumer devices that utilize electric motors.

L'invention concerne un moteur fonctionnant soit sur une sortie de courant alternatif soit sur piles à courant continu, avec une moindre chute de puissance lors de la commutation entre courant alternatif et courant continu. Le courant alternatif alimentant le moteur peut être abaissé au moyen d'un circuit écrêteur, alors que le courant continu alimentant le moteur peut être accru par commutation des enroulements de champ du moteur en les faisant passer d'un circuit d'enroulements en série à un circuit d'enroulements en parallèle. Le moteur peut être utilisé dans un dispositif d'aspiration ou dans d'autres dispositifs équipés de moteurs électriques.

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