Patent ID: 7094028
Filing Date: 2006-08-22
Classification: F04D

Abstract:
1. An outlet airflow direction control device, comprising a fan and a frame; said frame having an inlet and an outlet, and being internally provided at said outlet with a hub seat; and a plurality of fluid control elements being provided between said frame and said hub seat to connect said hub seat to said frame; and said fan being supported on said hub seat of said frame; said fluid control elements being radially arranged at said outlet of said frame, and each of said fluid control elements being connected at an outer end, which forms a directional-guide section, to said frame, and at an inner end, which forms a connecting section, to said hub seat, and said directional-guide section having a uniform first axial length and said connecting section having a uniform second axial length, wherein the first axial length is greater than the second axial length; whereby when said fan is rotated to cause an amount of fluid to flow into and out of said frame via said inlet and said outlet, respectively, said fluid control elements are adapted to control a flow direction of said fluid flown out of said outlet of said frame.