System and method for managing distribution of vehicle power...

Details System and method for managing distribution of vehicle power... System and method for managing distribution of vehicle power...

2011-08-23

2011-08-23

Ledynh, Bot (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S130000, C702S063000

Reexamination Certificate

active

08004242

ABSTRACT:
A vehicle incorporates a crank battery, a rechargeable auxiliary battery, and an onboard electrical power source separate from the crank battery and the auxiliary battery. A battery charge controller manages a supply of electrical energy to the auxiliary battery to charge the auxiliary battery. The battery charge controller includes a first comparator for monitoring a voltage level of the crank battery, and a second comparator for monitoring a voltage level of the onboard electrical power source. A first switching device electrically couples the crank battery and the auxiliary battery to charge the auxiliary battery when the voltage level of the crank battery exceeds a first voltage threshold, and electrically decouples the crank battery and the auxiliary battery when the voltage level of the crank battery is below the first voltage threshold. A second switching device electrically couples the onboard power source and the auxiliary battery to charge the auxiliary battery when: (i) the voltage level of the crank battery is below the first voltage threshold and (ii) the voltage level of the onboard power source exceeds a second voltage threshold; and electrically decouples the onboard power source and the auxiliary battery when the voltage level of the onboard power source is below the second voltage threshold.

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Antares Engineering With Answers, “Trailer Power System”, 2 pages, published prior to Mar. 13, 2009.
SurePower Industries, Inc., “Trail Charger Installation Guide”, 2 pages, published prior to Mar. 13, 2009.
Anthony Liftgates, Inc., “Trail Charger”, 1 page, Sep. 2005.
Tectran, “Info @ Tectran, Technical Bulletin”, www.tectran.com, 1 page published prior to Mar. 13, 2009.

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