Electrical transmission or interconnection systems – Plural supply circuits or sources – Connecting or disconnecting
Patent
1995-04-06
1996-05-21
Fleming, Fritz M.
Electrical transmission or interconnection systems
Plural supply circuits or sources
Connecting or disconnecting
307 66, 307150, H02J 734
Patent
active
055192610
ABSTRACT:
Method and apparatus for increasing the amount of power that may be extracted from a plurality of parallel connected battery banks by periodically effecting a switching between the banks for operative coupling to the power supply of an electronic or electrical device. The apparatus comprises at least two battery banks, a switching means, a microcontroller and a battery powered load. Upon each expiration of a predetermined time interval, the microcontroller monitors the voltage of the battery banks to determine which of the banks has the highest voltage. The microcontroller then positions the switch so that the bank with the highest voltage is coupled to the power supply of the load. In another embodiment, switching occurs upon a determination that the active bank has reached a specified power output.
REFERENCES:
patent: 4255697 (1981-03-01), Buhler, III
patent: 4323788 (1982-04-01), Smith
patent: 4451742 (1984-05-01), Aswell
patent: 4645943 (1987-02-01), Smith, Jr. et al.
patent: 4673826 (1987-06-01), Masson
patent: 5148042 (1992-09-01), Nakazoe
patent: 5300874 (1994-04-01), Shimamoto et al.
Dell U.S.A. L.P.
Fleming Fritz M.
Turner Michelle M.
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