Efficient AC operation using dew-point temperature
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United States of America Patent
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Jun 11, 2013
Grant Date -
Dec 3, 2009
app pub date -
May 26, 2009
filing date -
May 28, 2008
priority date (Note) -
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Abstract
A system for controlling air-conditioning in a vehicle includes an input, a sensor, a first offset module, and an evaporator temperature control module. The input receives an input temperature. The first sensor measures a first dewpoint temperature of air adjacent to a windshield of the vehicle. The first offset module generates a second dewpoint temperature based on the input temperature and generates a first offset based on the first and second dewpoint temperatures. The evaporator temperature control module generates a target evaporator temperature based on the first offset.
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