Patent ID: 7241214

Claim:
An exhaust gas discharging apparatus for attachment to an outlet of an exhaust fan, said apparatus comprising: an exhaust gas nozzle including duct means for forming at least one exhaust passage, that extends from an open first end connectible to said outlet of the exhaust fan to an open second end of the duct means, and having a centrally disposed longitudinal axis extending between said first and second ends, said duct means being provided by at least one duct wall forming at least two longitudinally extending bent wall portions that are distributed evenly about the periphery of the duct means, each bent wall portion sloping inwardly towards said longitudinal axis and in the direction of said second end; said at least one exhaust passage defining an area measured in horizontal cross-section, and wherein said area does not decrease from said first end to said second end of said duct means: said gas nozzle further including an annular cap connected to said duct means and disposed about the exterior of and in spaced, substantially co-axial relation to said second end of the duct means, said cap having a cap inlet located between said first end and said second end of said duct means and outside said duct means and a cap outlet located outwardly from said second end in the direction of said longitudinal axis; and vertically extending wind deflecting members mounted on said duct means and extending horizontally outwardly from said at least one duct wall, said wind deflecting members extending vertically below said annular cap.