Battery low capacity alarm device for use in an electric vehicle

Details Battery low capacity alarm device for use in an electric vehicle Battery low capacity alarm device for use in an electric vehicle

1997-10-29

1998-10-13

Hurley, Kevin

Motor vehicles

Power

Electric

180220, 340636, 320 48, H02J 700

Patent

active

058198644

ABSTRACT:
An alarm device is provided in an electric vehicle for indicating an insufficient remaining charge in a storage battery. The operation of both a remaining capacity meter and insufficient capacity alarm are continuously operated for a predetermined amount of time after a turn-off of a main power switch by means of a timer that is activated by the turn-off of the main switch when the storage battery suffers an insufficient capacity. The capacity of the storage battery is determined after the surface charge of the storage battery is eliminated when a charging operation is complete.

REFERENCES:
patent: 4162479 (1979-07-01), Nickell et al.
patent: 4229688 (1980-10-01), Knox et al.
patent: 4423379 (1983-12-01), Jacobs et al.
patent: 4520353 (1985-05-01), McAuliffe
patent: 4622544 (1986-11-01), Bially et al.
patent: 5596261 (1997-01-01), Suyama

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