×

Engine Idling Duration Control

  • US 20100058738A1
  • Filed: 09/10/2008
  • Published: 03/11/2010
  • Est. Priority Date: 09/10/2008
  • Status: Active Grant
First Claim
Patent Images

1. A method for controlling an engine in a vehicle, comprising:

  • after a threshold duration of engine idling, continuing engine idle operation when an exhaust NOx sensor indicates a NOx level below a NOx threshold, and stopping engine idle and shutting down the engine when the exhaust NOx sensor indicates the NOx level is above the NOx threshold.

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