Patent ID: 7409984

Claim:
An air-conditioner for vehicle use comprising: an air blowing means ( 8 ) for blowing air toward a vehicle passenger compartment; a face blowout port ( 20 ) for blowing out air sent from the air blowing means ( 8 ) to a passenger face side in the vehicle passenger compartment; a foot blowout port ( 21 ) for blowing out air sent from the air blowing means ( 8 ) to a passenger foot side in the vehicle passenger compartment; a defroster blowout port ( 19 ) for blowing out air sent from the air blowing means ( 8 ) to a windshield side in the vehicle passenger compartment; blowout mode doors ( 22 to 24 ) for switching a blowout mode at least among a face mode in which air is blown out from the face blowout port ( 20 ), a foot mode in which air is blown out from the foot blowout port ( 21 ) and a defroster mode in which air is blown out from the defroster blowout port ( 19 ); a door drive device ( 25 ) for driving the blowout mode doors ( 22 to 24 ); and a control unit ( 30 ) for controlling the air blowing means ( 8 ) so that an air volume of the air blowing means ( 8 ) can be a target air volume and for controlling an operational position of the door drive device ( 25 ) so that each blowout mode can be provided, wherein when a switching signal to switch the mode to the defroster mode is generated and the target air volume is smaller than a predetermined air volume, the target air volume is automatically increased to the predetermined air volume, and the control unit ( 30 ) includes a defroster mode air volume control means (S 870 ) for determining an increase starting point of time of increasing the target air volume according to the blowout mode when a switch signal to switch the mode to the defroster mode is generated.