Patent ID: 8857500
Filing Date: 2014-10-14
Classification: F24F,H05K,Y02B

Abstract:
1. A heat exchange device comprising: an air blower for circulating ambient air; a heat exchanger for exchanging heat between the ambient air circulated by the blower and inside air; a main body case containing therein the air blower and the heat exchanger; a flange provided on the main body case, having a wall surface joining surface joined to a wall surface where the main body case is disposed; and a cover attached to the flange, having a louver in a side facing the flange and a plurality of vent holes in a side of the ambient air opposite to the flange, and covering an ambient air side of the main body case, wherein the flange has a bent portion formed into an L-shaped cross section around a periphery thereof in a manner to extend to the ambient air side, wherein the cover has a flange joining inclined surface joined to the bent portion of the flange, the flange joining inclined surface including cover fixing holes in a joined portion joined to the bent portion, and a spacing between the cover fixing in an upper portion is different from a spacing between the cover fixing holes in a lower portion.