Please download the dossier by clicking on the dossier button x
×

Electronic throttle control apparatus

  • US 20080083394A1
  • Filed: 09/27/2007
  • Published: 04/10/2008
  • Est. Priority Date: 10/04/2006
  • Status: Active Grant
First Claim
Patent Images

1. An electronic throttle control apparatus including:

  • a motor;

    a throttle valve which is driven by the motor to open and close;

    a throttle sensor for detecting an actual opening angle of the throttle valve;

    wherein the electronic throttle control apparatus is arranged to control an opening angle of the throttle valve by driving the motor so that the actual opening angle detected by the throttle sensor becomes a target opening angle,the electronic throttle control apparatus further includes a fully closing stopper, and an abutting determination unit for determining whether the throttle valve abuts against the fully closing stopper, andthe abutting determination unit is arranged to determine whether the throttle valve abuts against the fully closing stopper based on a determination condition preset with respect to each one of a plurality of duty ratio ranges.

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