Patent ID: 6819010
Filing Date: 2004-11-16
Classification: F02N,H02J

Abstract:
In a vehicle comprising an internal combustion engine, a cranking motor coupled with the engine to crank the engine, and a battery coupled with the cranking motor, the improvement comprising:a capacitor comprising first and second terminals; first and second electrical paths interconnecting the first and second terminals, respectively, with the cranking motor; a control circuit coupled between the first and second terminals of the capacitor, said control circuit comprising a switch having a variable switch position, said control circuit operative to apply a control voltage at least in part from said capacitor that varies in response to the switch position of the switch; and a relay included in the first electrical path, said relay operative to switch in response to the control voltage applied at least in part by said capacitor between an open-circuit condition, in which the relay interrupts the first electrical path, and a closed-circuit condition.