×

Method and device for stopping the starter of a motor vehicle once the engine of the vehicle has started

  • US 5,743,227 A
  • Filed: 02/27/1997
  • Issued: 04/28/1998
  • Est. Priority Date: 02/28/1996
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of controlling cut-off of a motor vehicle starter, comprising the steps of supplying electrical power to the said starter, taking a signal corresponding to a parameter of the said power, the parameter being selected from power supply voltage and power supply current, detecting successive waves defined by a varying amplitude of the said parameter, and stopping the starter when the said waves disappear, the method further comprising, at each new wave, generating a monitoring period having a duration which decreases as the frequency of the said waves increases, and detecting the absence of any said new wave in the final said monitoring period, the starter being stopped in response to the said absence of a wave.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×