UPS in combination with a fan

Abstract

The UPS has a housing and a casing securely received in the housing to mount a fan assembly that has a fan, two screens mounted on opposite sides of the fan and a mounting board securely engaged with a periphery of the casing to secure the fan assembly to the UPS housing and to isolate the fan assembly from internal components in the UPS.

What is claimed is:  
     
         1 . A fan assembly together with a UPS having a housing with a first screen, the fan assembly comprising: 
 a fan detachably received in a casing that is securely mounted inside the housing;    a second and a third screen provided on opposite faces of the fan;    an electrical wire extended from the fan to be connected with an electrical outlet in the casing; and    a mounting board securely engaged with the fan and having a hole defined to receive the fan;    wherein clamps are provided around the casing to clamp the casing to the housing and screwholes are defined in the housing to correspond to holes in the mounting board, such that bolts are able to secure the engagement between the mounting board with the fan and the housing,    whereby the fan assembly is isolated from internal components in the housing by the casing so that maintenance to the fan assembly will not damage components inside the UPS.