Air mover inlet interface and cover

Abstract

An air mover assembly comprising: (a) an impeller having an impeller outer diameter and a rotational axis; (b) a motor for driving the impeller; (c) an air mover housing that encloses at least a portion of the impeller and the motor, the air mover housing including: at least one air inlet that receives air when the impeller is rotating and at least one air outlet; and (d) an air mover inlet interface adjoining the at least one air inlet and including: (i) a height, (ii) a wall having a curvature along at least a portion of the height of the air mover inlet interface that extends outward in a direction of air flow, and (iii) an inner diameter; wherein the inner diameter is less than the impeller outer diameter.

1 - 12 . (canceled) 
     
     
         13 . An air mover cover comprising:
 a grill portion adapted to allow movement of air while preventing objects of a predetermined size from passage;   wherein the grill portion includes:
 (1) at least one first generally centrally disposed through hole opening having a first geometric shape, and a plurality of radially adjoining through hole openings having a second geometric shape different from the first geometric shape and radially adjoining the generally centrally disposed through hole opening; 
 (2) a plurality of connection structures that have a center density in a central region of the grill portion and an adjacent density in regions surrounding the central region, where the center density is higher than the adjacent density when measured using a total length of the connection structure per unit area of each region; 
 (3) at least one first generally centrally disposed through hole opening having a first area, and a plurality of radially adjoining through hole openings each having a second area that are each different than the first area; or 
 (4) any combination of (1) through (3). 
   
     
     
         14 . The air mover cover of  claim 13 , wherein the air mover cover includes a connection portion adapted to connect to an inlet or an outlet of an air mover housing. 
     
     
         15 . The air mover cover of  claim 14 , wherein the connector portion includes a circumferential outwardly radiused wall. 
     
     
         16 . The air mover cover of  claim 13 , wherein the grill portion has a plurality of second through hole openings radially adjoining the at least one first generally centrally disposed through hole opening, the plurality of second through hole openings having a second geometric shape. 
     
     
         17 . The air mover cover of  claim 13 , wherein the at least one first generally centrally disposed through hole opening is pentagonal, and the plurality of second through hole openings are hexagonal. 
     
     
         18 . The air mover cover of  claim 13 , wherein the grill portion is configured to have a contoured shape that is a dome shape having a height and a diameter and the ratio of the height to the diameter is from about 1:2 to about 1:100. 
     
     
         19 . The air mover cover of  claim 13 , wherein the grill portion includes an outer density of connection structures that are located in an outer region that is radially disposed outside of the central region and the region surrounding the central region where the outer density is lower than both the center density and the adjacent density when measured using length of the connection structure per unit area. 
     
     
         20 . The air mover cover of  claim 13 , wherein the cover is flat and the grill portion of the cover is flat. 
     
     
         21 . The air mover cover of  claim 13 , wherein the grill portion has a generally contoured shape that is convex. 
     
     
         22 . The air mover cover of  claim 13 , wherein a plurality of third through hole openings extend around the plurality of radially adjoining through hole openings and the third through hole openings are a partial shape. 
     
     
         23 . The air mover cover of  claim 13 , wherein the second area of each of the plurality of radially adjoining through hole openings is greater than the first area of the at least one first generally centrally disposed through hole opening. 
     
     
         24 . The air mover cover of  claim 13 , wherein the plurality of connection structures have a cross-sectional shape that is hexagonal. 
     
     
         25 . The air mover cover of  claim 13 , wherein the plurality of connection structures have a cross-sectional shape that is circular. 
     
     
         26 . The air mover cover of  claim 13 , wherein the air mover cover is integrally connected to an air mover inlet interface of an air mover assembly. 
     
     
         27 . The air mover cover of  claim 22 , wherein the plurality of third through hole openings each have a third area that is less than the second area of each of the plurality of radially adjoining through hole openings and greater than the first area of the at least one first generally centrally disposed through hole opening. 
     
     
         28 . The air mover cover of  claim 22 , wherein the plurality of third through hole openings are each a partial hexagonal shape. 
     
     
         29 . The air mover cover of  claim 18 , wherein the ratio of the height to the diameter is from about 1:6 to about 1:10. 
     
     
         30 . The air mover cover of  claim 18 , wherein the height of the grill portion is substantially equal to a thickness of the plurality of connection structures. 
     
     
         31 . The air mover cover of  claim 18 , wherein the height of the grill portion is greater than a thickness of the plurality of connection structures, 
     
     
         32 . The air mover cover of  claim 13 , wherein the at least one first generally centrally disposed through hole is a single generally centrally disposed through hole having a pentagonal shape.