F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
98/21
F24F 7/013 (2006.01) E06B 7/10 (2006.01) F24D 3/14 (2006.01) F24F 7/04 (2006.01) F24F 12/00 (2006.01)
Patent
CA 1218556
ABSTRACT OF THE DISCLOSURE A ventilation system comprises a rectangular window frame having a hollow interior constituting a flow passage for air, and a ventilator held in fluid communication with the hollow interior of the window frame. The ventilator has a built-in heat exchanging element which effects a heat exchange between fresh air and foul air during operation. The window frame has an integral pipeline disposed in the hollow interior of the window frame for the passage therethrough of a heat-transferring medium. The heat-transferring medium flowing through the pipeline gives up heat to, or extracts heat from the air channeled through the flow passage in the window frame prior to or after the introduction of the air into the ventilator. Thus, the efficiency of heat exchange is considerably increased.
439269
Ikemura Akio
Kajiki Minoru
Gowling Lafleur Henderson Llp
Yoshida Kogyo K.k.
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