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US 2020/0348035 A1Published application
Roof mounted ventilation assembly
OwnerGary Gerard Powersinventor
Life of this patent
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Abstract
A roof mounted ventilation assembly having fluidly coupled supply and relief fans is provided. One drive unit assembly may be operatively associated with both fans. A rotatably and vertically movable duct fluidly couples a supply discharge plenum to a roof-mounted air intake hood so that the former may move vertically and rotatably relative to the latter, thereby the present invention can selectively pressurize the spaced inhabited by the supply discharge plenum through a positive supply to relief air volume ratio.
Claims5
A roof mounted ventilation assembly for a structure, comprising:
- an air inlet mounted to an upper portion of the structure;
- a supply discharge plenum fluidly coupled to the air inlet;
- the supply discharge plenum rotatably and vertically movable relative to the air inlet;
- and
- the supply discharge plenum disposed in an inner space defined by the structure.
2 more elements
Dependencies are inferred from the claim text.