Buffalo Forge Company · Buffalo Forge Company · leaf 9
of the air will be taken up by the rearpart of the blade, the front part will not handle its proper proportion and anuneven pressure will be produced at the fan outiet, resulting in eddy currentswhich materially reduce the fan efficiency. The Niagara Conoidal Type Nfan is so designed as to entirely… … Back Plate and Hub deflects the air towards the blades without an abrupt change in direction andconsequently without loss of power. The inner or back edge of the blade exteiids froin the base of the conicalhub to the outside of the supporting disk to which the hub is riveted. Thediameter of the…
