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Method for controlling an air conditioning unit for an automobile

  • US 7,156,168 B2
  • Filed: 05/10/2004
  • Issued: 01/02/2007
  • Est. Priority Date: 11/10/2001
  • Status: Expired due to Fees
First Claim
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1. A method for controlling an air conditioning system in a vehicle, the method comprising the steps:

  • determining a position of the vehicle;

    determining an absolute sun position on the basis of the position of the vehicle;

    determining a spatial orientation of the vehicle;

    computing a position of the sun in relation to the vehicle based on the determined absolute sun position and the determined spatial orientation of the vehicle;

    measuring a sun intensity;

    determining direct solar radiation incidence into the interior of the vehicle based on the computed position of the sun and the measured sun intensity; and

    adjusting the air conditioning system on the basis of the determined direct solar radiation,wherein the spatial orientation is determined at least by determining a longitudinal and lateral tilting of the vehicle.

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