Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1992-09-11
1995-03-07
Stephan, Steven L.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 23, 320 35, 320 39, 320 52, H02J 710
Patent
active
053961633
ABSTRACT:
A charger for rechargeable cells or batteries utilizes a mechanism whereby resistance-free voltage is continually monitored during periodic current-off intervals in the charging process and compared to an independent reference voltage to prevent overcharge. After a certain degree of charge has been obtained, the current is gradually reduced to a finishing charge. Several means are provided for terminating the finishing charge while avoiding overcharge. Another embodiment of a charger provides for measurement of the resistance-free voltage during the current-off period after sufficient time is allowed for the recombination of any oxygen which may have been produced during charging, thus taking into account inherent variations in cells of the same type.
REFERENCES:
patent: 3517293 (1970-06-01), Burkett et al.
patent: 3559025 (1971-01-01), Burkett et al.
patent: 3597673 (1971-08-01), Burkett et al.
patent: 3609503 (1971-09-01), Burkett et al.
patent: 3614582 (1971-10-01), Burkett et al.
patent: 3624481 (1971-11-01), Macharg
patent: 3761795 (1973-09-01), Clayton et al.
patent: 3886428 (1975-05-01), Macharg
patent: 3890556 (1975-06-01), Melling et al.
patent: 3895282 (1975-07-01), Foster et al.
patent: 3936718 (1976-02-01), Melling et al.
patent: 3987353 (1976-10-01), Macharg
patent: 4061956 (1977-12-01), Brown et al.
patent: 4388582 (1983-06-01), Saar et al.
patent: 4392101 (1983-07-01), Saar et al.
patent: 4607208 (1986-08-01), Vreeland
patent: 4977364 (1990-12-01), Kordesch et al.
patent: 4992722 (1991-02-01), Maruyama et al.
patent: 5204611 (1993-04-01), Nor et al.
patent: 5206578 (1993-04-01), Nor
Ettel Victor A.
Nor Jiri K.
Soltys Josef V.
Berhane Adolf
Inco Limited
Norvik Technologies Inc.
Steen Edward A.
Stephan Steven L.
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