Battery capacity and usage system

Details Battery capacity and usage system Battery capacity and usage system

2006-03-21

2006-03-21

Lieu, Julie Bichngoc (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S636120, C340S636160, C320S137000, C320S118000, C307S010100

Reexamination Certificate

active

07015822

ABSTRACT:
A battery capacity and usage system, applied to an electric powered boat. A battery monitor is controlled by a micro-controller which includes a non-volatile memory for storing a lookup table. The lookup table comprises a database of characteristics of various batteries, including a relationship between the capacity and the charged voltage, the driving current and remaining hours of usage. The load of the battery is measured by a hall effect device. By monitoring the current micro-controller calculates the remaining time of the battery is obtained from the lookup table and displays the results on a digital readout installed on dashboard of the electric powered boat.

REFERENCES:
patent: 4028616 (1977-06-01), Stevens
patent: 4949046 (1990-08-01), Seyfang
patent: 5587924 (1996-12-01), Lossi
patent: 6242891 (2001-06-01), Parsonage
Duffy 16 Electrical Classic Brochure (4 pages).
Duffy-Cat 16 Electrical Brochure (4 pages).
Duffy 17 Electrical (2 pages).
Duffy 18 Electrical (4 pages).

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