A method for constructing routing/forwarding tables for an IP address lookup using a skip list. The method comprises dividing a prefix length range of an IP address in a preset method; creating a header node having a maximum level based on a number of clusters divided into the prefix length range, the header node po...

An improved exhaust fan housing and exhaust fan assembly so characterized is generally provided. The exhaust fan housing includes a first cylindrical or conical element a second cylindrical element interior of the first cylindrical element and a plurality of hollow vanes traversing an annular fluid passage chamber d...

An aero acoustic fan assembly is provided and generally includes a fan wheel, a frame, and first and second air outlet diffusing structures. The fan wheel generally, and typically includes an axial air inlet delimited by an air inlet cone, an annular air outlet, a back plate, and front plate opposite the back plate....