| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heating medium heating device achieved in a small type and high performance, improved in the adhesion of outlet/inlet headers, and capable of securing sealing performance around communicating holes arranged in the outlet and inlet headers, and to provide a vehicular air conditioner having the heating medium heating device. <P>SOLUTION: In the heating medium heating device 10, flat heat exchange tubes 17 and PTC heaters are laminated in a multilayer shape, one surface side of them is pressed by a heat exchange pressing member and fastened and fixed to an inner bottom surface of a casing 11. Bosses 11e for fastening and fixing the heat exchange pressing member are arranged in dead spaces of four corners of the casing 11 corresponding to four corners of the flat heat exchange tube 17, and a fifth boss 11f except for the bosses 11e of the four corners is arranged between the outlet/inlet headers 21 and 22 of the flat heat exchange tube 17 and in the vicinity of the intersection of lines passing through the centers of the bosses 11e arranged in the two corners on the outlet/inlet header 21, 22 sides and centers of the outlet/inlet headers 21 and 22 corresponding to the bosses 11e. <P>COPYRIGHT: (C)2013,JPO&INPIT |
