Patent ID: 8948582
Filing Date: 2015-02-03
Classification: B60H,F24H,H05B

Abstract:
1. A heat medium heating device comprising: a plurality of flat heat exchange tubes through which a heat medium flowing from an inlet header portion flows through a flat tube portion and flows out from an outlet header portion; a plurality of pairs of PTC heaters incorporated between the flat tube portions of the plurality of flat heat exchange tubes, wherein a heat exchange element formed by alternately stacking the flat heat exchange tubes and the PTC heaters in multiple layers is fastened and fixed into a casing including heat medium outlet and inlet paths communicating with the outlet header portion and the inlet header portion, and a connection portion between a power supply HV harness and a control LV harness is formed on an outer surface on the same side as a surface on which the heat medium outlet and inlet paths of the casing are formed, and a control substrate that controls energization to the PTC heaters is disposed on an inside on the same side as the surface on which the connection portion of the casing is formed.