20130220987 | LAYERED HEAT EXCHANGER, HEAT MEDIUM HEATING APPARATUS AND VEHICLE AIR-CONDITIONING APPARATUS USING THE SAME - Provided are a layered heat exchanger that can prevent deterioration of sealing property due to deformation of sealing portions of inlet and outlet header sections when a PTC heater is sandwiched between flat heat exchanger tubes, and is pressed to be brought into close contact with the flat heat exchanger tubes, and a heat medium heating apparatus and a vehicle air-conditioning apparatus using the layered heat exchanger. | 08-29-2013 |