Insert for fan-motor assembly

Details Insert for fan-motor assembly Insert for fan-motor assembly

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/42 (2006.01) F04D 29/10 (2006.01) F04D 29/60 (2006.01)

Patent

CA 2597194

A fan assembly includes an end bracket which is coupled to a motor assembly. The end bracket includes a circumferential channel which is interrupted by an opening. A fan is provided which includes a plurality of blades. A shroud at least partially encloses the fan and defines a chamber. An insert, which may or may not be an integral part of the end bracket, is received in the chamber and includes a circumferential ramp. The circumferential ramp is configured to provide the chamber with an internal cross-sectional area which varies circumferentially so as to improve airflow efficiency.

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