HEAT-EXCHANGE VENTILATION DEVICE

WIPO Patent Application WO/2017/109952

A1

This heat-exchange ventilation device is equipped with: a total heat exchange element (8) that has a laminated structure which is laminated in such a manner that an air supply flow passage allowing passage of an air supply flow and an exhaust flow passage allowing passage of an exhaust flow intersect each other, the total heat exchange element (8) having a prismatic shape and heat exchanging the air supply flow and the exhaust flow; an exterior case in which the total heat exchange element (8) is housed; heat exchange element frames (21) that cover four ridge portions in the lamination direction of the total heat exchange element (8) , and have protrusions (211) protruding outwardly from the corners; and holding rails (13) that have a length equal to or more than the length in the lamination direction of the total heat exchange element (8) , and hold the protrusions (211) of the heat exchange element frames (21). The portions of the holding rails (13) that are in contact with the protrusions (211) have elasticity. With the above configuration, it is possible to reduce the leakage of air in the gaps between the heat exchange element frames and the holding rails.

KAWAI TOSHIAKI (JP)
HIRAI HIDEKAZU (JP)
TAKADA MASARU (JP)

PCT/JP2015/086281

June 29, 2017

December 25, 2015

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MITSUBISHI ELECTRIC CORP (JP)

F24F7/08; F28D9/00

JPS5348461U	1978-04-24
JPH0452439A	1992-02-20
JPH0694388A	1994-04-05
JPS54144770U	1979-10-08
JPH09243278A	1997-09-19
JP2014224663A	2014-12-04
JP2015114013A	2015-06-22
JPS4724599Y1	1972-08-03

TAKAMURA, Jun (JP)

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