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Quick charging apparatus

  • US 4,551,666 A
  • Filed: 06/09/1983
  • Issued: 11/05/1985
  • Est. Priority Date: 07/31/1982
  • Status: Expired due to Term
First Claim
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1. A quick charging apparatus comprising means for feeding power from a apower source to a substantially dead secondary battery, a charge controlling means associated with said power feeding means and including means for adjusting fed power energy, means associated with said charge controlling means for feeding to said secondary battery a first average charging current of a relatively high level in a relatively short time so as to charge the battery with a required amount of energy for performing a single operation of an electric appliance to which said apparatus is applied, and means associated with the charge controlling emans for feeding to the battery a second average charging current of a relatively low level in a relatively long time so as to charge the battery to a level at least 80% of a fully chargeable amount of energy;

  • said means for feeding said first average charging current including a first sensor for detecting said required amount of energy for said single operation in said secondary battery, and said means for feeding said second average charging current including a second sensor for detecting the amount of charge in the secondary battery.

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