Prime-mover dynamo plants – Miscellaneous – Drive gearing
Patent
1995-07-05
1997-09-16
Stephan, Steven L.
Prime-mover dynamo plants
Miscellaneous
Drive gearing
322 28, 322 29, G04C 1000, H02P 904
Patent
active
056684142
ABSTRACT:
An electricity generating device for generating electricity by using energy stored in a power spring. The electricity generating device includes a control circuit for monitoring a supply voltage supplied from a supply portion, a mechanical control portion, a voltage boosting portion, a power consuming portion and an electricity generating portion. The rotating speed of the electricity generating portion is controlled by the mechanical control portion, the voltage boosting portion and the power consuming portion. When the supply voltage is higher than a reference voltage, the rotating speed of the electricity generating portion is reduced and thus the unwinding speed of the power spring is decreased. Consequently, an amount of the energy of the power spring, which is matched with the power supplied from the supply portion, is consumed.
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patent: 4799003 (1989-01-01), Tu et al.
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patent: 5517469 (1996-05-01), Wiget
Hiroshi Yabe
Takahashi Osamu
Takakura Akira
Cuneo Christopher
Seiko Epson Corporation
Stephan Steven L.
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