×

Predictive auxiliary load management (PALM) control apparatus and method

  • US 7,347,168 B2
  • Filed: 08/30/2006
  • Issued: 03/25/2008
  • Est. Priority Date: 05/15/2006
  • Status: Active Grant
First Claim
Patent Images

1. A method of operating a vehicle having a vehicle fan for assisting in the cooling of liquid coolant circulating in a vehicle engine cooling system, the method comprising:

  • under first vehicle operating conditions, turning on the vehicle fan when the coolant temperature reaches a first coolant temperature below a maximum coolant temperature; and

    under second vehicle operating conditions wherein the vehicle is approaching the crest of a hill, preventing the operation of the vehicle fan even though the coolant temperature has reached or exceeded the first coolant temperature and is below the maximum coolant temperature.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×