| 摘要 |
PROBLEM TO BE SOLVED: To improve the service life of an electric hot water pump without using a special resistor in addition. SOLUTION: This vehicular air-conditioner using the electric hot water pump 26 as a pump means for circulating a hot water in a heater core comprises an electric blower 11 for blowing air through an air passage, in which the heater core is arranged, into a vehicle room and a blower driving circuit 35 for producing a change in voltage applied to the electric blower 11. The voltage applied to the electric blower 11 is applied to the electric hot water pump 26.
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