초록 ▼

An electric power supply system for portable miniature size power consuming devices, comprising an AC generator, a rechargeable battery and a charging device to be fed from the AC generator and maintaining the battery charging level, the AC generator comprising a multi-polar rotor wheel having perma

An electric power supply system for portable miniature size power consuming devices, comprising an AC generator, a rechargeable battery and a charging device to be fed from the AC generator and maintaining the battery charging level, the AC generator comprising a multi-polar rotor wheel having permanently magnetized poles, a stator having one or more windings providing the AC current and an eccentric mass driving the permanently magnetized rotor wheel; the rotor wheel, the stator and the eccentric mass being mounted coaxially, a transmission being arranged between the eccentric mass and the rotor wheel. According to the invention the transmission is a loose coupling means to be tightened by magnetic fields between the poles of the rotor wheel and the respective poles of the stator.

대표청구항 ▼

An electric power supply system for portable miniature size power consuming devices, comprising an AC generator, a rechargeable battery and a charging device to be fed from the AC generator and maintaining the battery charging level, the AC generator comprising a multi-polar rotor wheel having perma

An electric power supply system for portable miniature size power consuming devices, comprising an AC generator, a rechargeable battery and a charging device to be fed from the AC generator and maintaining the battery charging level, the AC generator comprising a multi-polar rotor wheel having permanently magnetized poles, a stator having one or more windings providing an AC current and an eccentric mass driving the permanently magnetized rotor wheel; the rotor wheel, the stator and the eecentric mass being mounted coaxially, a transmission being arranged between the eccentric mass and the rotor wheel characterized in that the transmission is a loose coupling means that selectively engages the rotor wheel by overcoming magnetic fields interacting between the poles of the rotor wheel and the respective poles of the stator, wherein the loose coupling means comprises a spring member, one terminal portion thereof being attached to the rotor wheel, the eccentric mass comprising means for engaging the opposite terminal portion of the spring member.