COOL AIR BYPASS CONTROLLER OF AIR CONDITIONER FOR VEHICLE

PURPOSE:To maintain the comfortable state for a driver/passenger suspending the cool air bypass control by judging the generation of the comfortable state for the driver, when the state where the temperature variation rate in a cabin is over a prescribed value continues for a prescribed time, in the speedy cool- down control. CONSTITUTION:In the speedy cool-down control by a synthetic signal, a bypass passage 10 is put into an opened state by a cool, air bypass door control means 130, and since the door opening time of a cool air bypass door 11 is determined by the temperature variation rate in a cabin which is calculated by a temperature variation calculating means 12, the cool air bypass door 11 is closed by the cool air bypass door control means 130 when a comfortable state for a driver/passenger is generated.