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System and method for prevention of windshield fogging in a motor vehicle

  • US 5,983,649 A
  • Filed: 05/15/1998
  • Issued: 11/16/1999
  • Est. Priority Date: 05/15/1998
  • Status: Expired due to Term
First Claim
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1. A method for controlling a heating, ventilation and air-conditioning (HVAC) system of a vehicle to prevent fogging of a windshield of the automotive vehicle, the method comprising:

  • determining whether the vehicle has been recently turned "off"; and

    upon determining the vehicle has been recently turned "off", commanding the HVAC system to direct air away from the windshield.

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  • 3 Assignments
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