VEHICULAR AIR-CONDITIONER

• Main Authors: YANAGIMACHI YOSHINOBU, OMURA MITSUYO, ISSHI YOSHINORI, KUMAMOTO YOSHINORI, HAYASHI HIROYUKI
• Format: Patent
• Language: English
• Published: 31.03.2011
• Subjects: ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

PROBLEM TO BE SOLVED: To provide a vehicular air-conditioner capable of realizing the heating in a cabin while sufficiently suppressing degradation of the fuel economy. SOLUTION: The vehicular air-conditioner includes a heater core 14 for heating air to be blown into a cabin with cooling water of an engine EG being a heat source, a PTC heater 15 for further heating the blown air heated by the heater core 14, a requested signal outputting means 50a for outputting the operational request signal for operating the engine EG to an engine control means 70 for controlling the operation of the engine EG, and a blown-out air temperature rise calculating means S32 for calculating the blown-out air temperature rise ΔTptc as the temperature rise to which the operation of the PTC heater 15 is contributed out of the temperature of conditioned air to be blown into the cabin. The request signal outputting means 50a reduces the frequency of outputting the operation requesting signal to the engine control means 70 as the blown-out air temperature rise ΔTptc is increased. COPYRIGHT: (C)2011,JPO&INPIT