Central control unit for controlling the charging process of...

Details Central control unit for controlling the charging process of... Central control unit for controlling the charging process of...

2005-02-22

2005-02-22

Tibbits, Pia (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell charging

With thermal condition detection

Reexamination Certificate

active

06859015

ABSTRACT:
Central control unit for controlling the charging process of a battery that comprises:a charger circuit coupled to the battery;a circuit for conditionally prohibiting the charging process when predetermined conditions are met, the conditions comprise at least the condition of TB>Tmax, where TBdesignates the actual temperature of the battery and Tmaxdesignates the highest permissible battery temperature, and the further condition when the change of one of the battery current and voltage dI and dU decreases in a predetermined time period below a predetermined threshold level; anda restart circuit for restarting the conditionally prohibited charging, comprising a plurality of inputs through which respective restart signals can be received, wherein a precondition of any restart is that the temperature of the battery TBbeing lower than an acceptable predetermined temperature Tok.

REFERENCES:
patent: 4820965 (1989-04-01), Siemer
patent: 5410238 (1995-04-01), Ishizuka et al.
patent: 5519302 (1996-05-01), Mino et al.
patent: 5583871 (1996-12-01), Simmonds et al.
patent: 5635820 (1997-06-01), Park
patent: 5796255 (1998-08-01), McGowan
patent: 5864224 (1999-01-01), Takechi et al.
patent: 6114839 (2000-09-01), Takano et al.
patent: 0760532 (1997-03-01), None
patent: 2251346 (1992-07-01), None

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