Patent ID: 8820123

Claim:
A bushing assembly comprising a bushing comprising an orifice plate or tip plate having a length dimension L, and a width dimension W of at least about 4 inches, the L:W ratio being at least about 1.5, the bushing also comprising at least one wall and at least one pair of terminal ears, the orifice plate or a tip plate having a plurality of spaced apart orifices therethrough from an inside surface to an exposed surface, the bushing assembly also comprising a plurality of spaced apart cooling tubes located in close proximity to the exposed surface for containing a flow of cooling fluid in each cooling tube, the cooling fluid entering one end of each cooling tube and exiting an opposite end of each cooling tube, wherein all of the plurality of spaced apart cooling tubes, numbering 16 or more with each cooling tube having one or more fins extending from a surface of the cooling tube towards the orifice plate or tip plate, are oriented to be substantially parallel with the width dimension of the bushing and with rows of the orifices.