Vehicle with supplemental energy storage system for engine...

Electricity: battery or capacitor charging or discharging – One cell or battery charges another – Vehicle battery charging

Reexamination Certificate

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Details

C320S166000

Reexamination Certificate

active

06362595

ABSTRACT:

BACKGROUND
The present invention relates to vehicles of the type that include an internal combustion engine, a cranking motor, and a battery normally used to power the cranking motor. In particular, this invention relates to improvements to such systems that increase of the reliability of engine starting.
A problem presently exists with vehicles such as heavy-duty trucks. Drivers may on occasion run auxiliary loads excessively when the truck engine is not running. It is not unusual for heavy-duty trucks to include televisions and other appliances, and these appliances are often used when the truck is parked with the engine off. Excessive use of such appliances can drain the vehicle batteries to the extent that it is no longer possible to start the truck engine.
The present invention solves this prior or problem in a cost-effective manner.
SUMMARY
The preferred embodiment described below supplements a conventional vehicle electrical system with a capacitor. This capacitor is protected from discharging excessively when auxiliary loads are powered, and it is used to supply a cranking current in parallel with the cranking current supplied by the vehicle battery to ensure reliable engine starting. A battery optimizer automatically increases the voltage to which the capacitor is charged as the capacitor temperature falls, thereby increasing the power available for engine cranking during low temperature conditions.
This section has been provided by way of general introduction, and it is not intended to limit the scope of the following claims.


REFERENCES:
patent: 4492912 (1985-01-01), Nowakowski
patent: 4494162 (1985-01-01), Eyler
patent: 5321389 (1994-06-01), Meister
patent: 5642696 (1997-07-01), Matsui
patent: 5925938 (1999-07-01), Tamor
patent: 6075331 (2000-06-01), Ando et al.
patent: 6242887 (2001-05-01), Burke
KBI Kapower Installation Operation Manual (KBI/Kold Ban International, Ltd. 1999).
KBI Kapower Supercapacitors (4-page Brochure KBI/Kold Ban International, Ltd. 1999).
Charge All Wheel Type Battery Chargers (Model 13-012 Boost All, Good All Mfg. 1999).
The Intra Switch, Intra USA 1998.
Battery Optimizer, Purkay's Fleet Electric Inc. 1999.
Low Voltage Disconnects Switches and Alarms, Sure Power Industries Inc. 1998.

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