Ventilation plant

Details Ventilation plant Ventilation plant

F - Mech Eng,Light,Heat,Weapons

28

D

98/16, 98/28, 25

F28D 17/00 (2006.01)

Patent

CA 1266652

APPLICANT: SVANTE THUNBERG TITLE: VENTILATION PLANT ABSTRACT OF THE DISCLOSURE A ventilation plant for recovering heat from the outlet air and preheating the inlet air consists of a valve housing including two fans for controlling the flow of air in two duct pipes connected to the surrounding athmosphere. An accumulator tube, coupled into these two pipes, comprises a number of loosely inserted rolls of pleated metal foil to achieve a great number of axial ducts communicating with one another at the roll ends. In one position, the valve means leads the inlet air through one of the duct pipes and out through an outlet in the valve housing at the same time as the outlet air is led into the other duct pipe and out to the surrounding atmosphere, or vice versa.

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