Vehicular air conditioning system and air conditioning method

Details Vehicular air conditioning system and air conditioning method Vehicular air conditioning system and air conditioning method

2006-07-31

2010-11-02

Norman, Marc E (Department: 3744)

Refrigeration

Automatic control

Of external fluid or means

C062S244000, C165S204000

Reexamination Certificate

active

07823399

ABSTRACT:
When there is a command for pre-air conditioning to be performed, an inlet switches to an inside air recirculating mode and a compressor and a blower fan are driven to blow air that was drawn in toward a lower portion in a vehicle cabin (130to136). Then when a door switch detects that an occupant may get into the vehicle (100, 102), air is blown from an outlet toward the upper portion in the vehicle cabin while the inlet remains in the inside air recirculation mode (114to124). That is, cooled air in the lower portion in the vehicle cabin is drawn in, cooled, and then blown toward the occupant. Also, when starting the pre-air conditioning, the battery state-of-charge is detected and pre-air conditioning is prohibited if the battery state-of-charge is less than a predetermined value (116, 126, 128).

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