Patent ID: 6148954
Filing Date: 2000-11-21
Classification: F04D,F15D

Abstract:
An airflow inlet apparatus for reducing distortion of air entering an inlet end of a fan assembly, said inlet apparatus comprising:a hollow body member having a first end having a first diameter and being attachable to said inlet end of said fan assembly and a second end, said hollow body member having a frame member having a primary end corresponding to said first end of said hollow body member and a secondary end corresponding to said second end of said hollow body member;a primary outer skin portion circumferentially attached to said frame member adjacent said primary end thereof, said primary outer skin portion having a plurality of substantially equally distributed primary apertures therethrough;a secondary outer skin portion circumferentially attached to said frame member in abutting relationship with said primary outer skin portion, said secondary outer skin portion having a plurality of substantially equally distributed secondary apertures therethrough;a tertiary outer skin portion circumferentially attached to said frame member adjacent to said secondary end of said frame member and in abutting relationship with said secondary outer skin portion, said tertiary outer skin portion having a plurality of substantially equally distributed tertiary apertures therethrough; andan end member attached to said second end of said body member.