Patent ID: 6491502
Filing Date: 2002-12-10
Classification: F04D

Abstract:
A fan shroud structure for housing blades of at least one fan, the fan shroud structure comprising;a shroud body having a pair of opposing first sides and a pair opposing second sides, the first sides being joined with the second sides at corners forming a box-like configuration defining an interior space, the shroud body having a front end constructed and arranged to be disposed adjacent to a condenser and a back end constructed and arranged to be disposed adjacent to a radiator, generally annular wall structure within the interior space constructed and arranged to receive the blades of a fan within bounds thereof, vortex preventing structure in each said corner near said back end, said vortex preventing structure being constructed and arranged to prevent large scale eddy current generation of air in said corners as air enters the radiator, and air deflecting structure in each said corner near said front end, said air deflecting structure being constructed and arranged to deflect incoming air towards said sides, thereby improving air distribution into the fan.