Patent ID: 8443873

Claim:
A vehicular air conditioning apparatus comprising: a casing including first and second passages through which air flows; a damper mechanism for switching a flow state of the air in the first passage and the second passage, and first and second blowers for supplying air respectively to the first and second passages; a heat exchanger is disposed in the interior of the casing so as to straddle between the first passage and the second passage, for thereby heating and supplying the air, the heat exchanger comprising: first medium passages facing toward an upstream side of the first and second passages and through which a medium flows through the interior thereof; second medium passages, which are parallel to the first medium passages and face toward a downstream side of the first and second passages, and through which the medium flows through the interior thereof; a communication section disposed at ends of the first and second medium passages, for establishing communication between the first medium passages and the second medium passages; a first tank disposed at the other ends of the first and second medium passages; fins between the first medium passages and between the second medium passages, the fins having a plurality of louvers; a supply conduit that supplies the medium to the heat exchanger and a discharge conduit that discharges the medium from the heat exchanger, the supply conduit and the discharge conduit being disposed on the first tank, the axes of the supply conduit and the discharge conduit being parallel to the first and second medium passages; a first heat exchanger section, which performs heat exchange on the air that flows through the first passage; a second heat exchanger section, which performs heat exchange on the air that flows through the second passage; and a partitioning member disposed inside the heat exchanger between the fins and between the first and second medium passages at a boundary portion between the first heat exchanger section and the second heat exchanger section, for blocking communication of the air inside the heat exchanger between the first heat exchanger section and the second heat exchanger section, the partitioning member comprises no louvers, wherein the partitioning member is disposed in parallel with the first and second medium passages, has a wavy shape in a cross section parallel to the axes of the supply conduit and the discharge conduit and parallel to the axes of the first and second medium passages, an area of the second heat exchanger section is different from an area of the first heat exchanger section, the medium is supplied from the second medium passages and is circulated into the first medium passages through the communication section, and the fins have a wavy shape in cross sections parallel to the axes of the supply conduit and the discharge conduit and parallel to the axes of the first and second medium passages.