ROOF EXHAUST WITH COUNTERWEIGHTED DAMPER

摘要

A roof exhaust for exhausting gas from a building is provided. The roof exhaust includes: an enclosure including a base and a hollow body extending from said base, the enclosure having side sections and a front section extending between the side sections; a conduit extending within the hollow body along a central axis, the conduit having an inlet connectable to a source of gas and an outlet for exhausting the gas from the conduit; a hood extending in the front section over the outlet, the hood comprising an aperture and being configured to direct gas exiting the outlet through the aperture in a downward direction towards the base; and a damper hingedly mounted relative to the outlet and including a counterweight configured to bias the damper towards a closed position.

主权项

1. A roof exhaust for exhausting gas from a building, the roof exhaust comprising:
an enclosure comprising a base and a hollow body extending from said base, the enclosure having side sections and a front section extending between the side sections; a conduit extending within the hollow body along a central axis, the conduit having an inlet connectable to a source of gas and an outlet for exhausting the gas from the conduit; a hood extending in the front section over the outlet, the hood comprising an aperture and being configured to direct gas exiting the outlet through the aperture in a downward direction towards the base; a damper hingedly mounted relative to the outlet, the damper being movable between a closed position in which the damper substantially covers the outlet, and an open position in which the damper extends away from the outlet, wherein the damper comprises a counterweight configured to bias the damper towards the closed position.