F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
98/46
F24F 7/02 (2006.01) F24F 7/06 (2006.01) F24F 13/22 (2006.01)
Patent
CA 1095316
PLENUM CHAMBER FOR VENTILATOR Abstract of the Disclosure A plenum chamber for use with an air suction device such as a rotary turbine ventilator which is secured on the roof of a building to draw air when the disturbance of air on the turbine causes the actuation thereof. The plenum chamber is defined by a container having a bottom wall, a continuous side wall thereabout and defining a chamber open end. A circumferential flange is provided about the open end to secure the container in a hole provided in the roof of the building with the rotary turbine ventilator being secured over the flange about the open end. At least one port is formed in the side wall of the container to permit flow of air through the chamber when the rotary turbine ven- tilator is actuated. A conduit may be secured to the port and has an intake end which is located adjacent the ceiling of a room in the building whereby air will be drawn from the ceiling area and evacuated through the turbine. Condensate formed in the area of the fan will be collected in the bucket and eventually evaporate therefrom. -1-
351448
Swabey Ogilvy Renault
Venmar Inc.
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