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Controller for a vehicle starter motor

  • US 6,050,233 A
  • Filed: 10/23/1998
  • Issued: 04/18/2000
  • Est. Priority Date: 10/24/1997
  • Status: Expired due to Term
First Claim
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1. A controller for a vehicle starter motor, the controller comprising means for applying power to the electric starter motor as a function in particular of the open or closed state of a starter switch, wherein said means include in particular an RC type circuit having a charging time constant that is shorter than its discharging time constant and that charges and discharges depending on whether the starter switch is closed or open, said control means also including means for preventing power being applied to the starter motor when the voltage across the terminals of the capacitor means of the RC circuit exceeds a given threshold, and wherein the RC circuit is constituted by two parallel-connected branches, one comprising a series connection of first resistor means and the capacitor means, the other comprising second resistor means.

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