| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vehicular air-conditioning device that can reduce a temperature difference between air flows in right and left directions occurring in the conditioned air after passing through a heating-use heat exchanger. <P>SOLUTION: A heating-use heat exchanger 2, which includes a first heater core 10 that exchanges heat between a first liquid and air blown into a passenger compartment and a second heater core 20 that exchanges heat between a second liquid at a temperature higher and in a smaller flow rate than those of the first liquid, and the blown air heated by the first heater core 10, is held in an air-conditioning casing 51 in such a manner that an inlet side tank 22 is at the bottom, an exit side tank 23 is at the top and the longitudinal direction of the tube 21 is inclined. Thereby, the device is configured in such a manner that after the second liquid at a high temperature flowing into the second heater core 20 is stored in a liquid reserving part 71, which is inside the inlet side tank 22 and in a region above inlet side ends 21a of the tube 21 over the entire area in the stacking direction of the plurality of tubes 21, then the liquid flows into the plurality of tubes 21. <P>COPYRIGHT: (C)2012,JPO&INPIT |
