METHOD OF CONTROLLING THE DISCHARGE OF TEMPERATURE-CONDITIONED AIR

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METHOD OF CONTROLLING THE DISCHARGE OF TEMPERATURE-CONDITIONED AIR

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LIU WEN / WANG MINGYU / XIA YANPING / KADLE PRASAD S / KINMARTIN JEFFREY C

HVAC unit has a single blower fan, an evaporator downstream of the blower and a heater downstream of the evaporator, wherein each zone outlet includes a temperature mixing door for controlling portions of hot and cold air and an output valve for controlling a zonal output flow rate. A method is devised to control the discharge of temperature-conditioned air from a plurality of zone outlets of an automotive HVAC system via such an HVAC unit by the steps of reading an operator-requested zonal discharge blower level for each of the zone outlets; converting each zonal discharge blower level request to a zonal flowrate request; calculating a total requested output flowrate as a summation of all zonal flowrate requests; and adjusting a blower voltage to a minimum voltage required for generating the total requested output flowrate.

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Title :

METHOD OF CONTROLLING THE DISCHARGE OF TEMPERATURE-CONDITIONED AIR

Contributors:

LIU WEN (author) / WANG MINGYU (author) / XIA YANPING (author) / KADLE PRASAD S (author) / KINMARTIN JEFFREY C (author)

Publication date :

2015-11-26

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht