Temperature limiting device for terminating battery-charging wit

Details Temperature limiting device for terminating battery-charging wit Temperature limiting device for terminating battery-charging wit

1996-04-11

1997-12-16

Tso, Edward

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

H01M 1046

Patent

active

056989660

ABSTRACT:
The present invention discloses a thermal protection device which includes a temperature limiting switch such as a thermostat to switch off a charging loop to a rechargeable battery to prevent overheating in the cells of the rechargeable battery. The thermal protection device further includes a parallel loop for continuously conducting a discharging current when the charging loop is switched off. The parallel loop include a diode which allows current to flow only in the opposite direction of the charging current through the temperature limiting switch. The power output from the rechargeable batteries is therefore not affected by the switching on and off of the temperature limiting switch for controlling the charging operations.

REFERENCES:
patent: 4507368 (1985-03-01), Hashimoto
patent: 4636704 (1987-01-01), Nakai
patent: 4680527 (1987-07-01), Benenati et al.
patent: 4686444 (1987-08-01), Park
patent: 5247238 (1993-09-01), Yang

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