Cross-over bundle for heat exchanger
AssigneeStruthers Wells Corporation
InventorA. Timothy Chase
Life of this patent
Estimating the term…
Abstract
Apparatus for connecting tube banks in a shell and tube heat exchanger comprises a tube sheet co-extensive with the ends of a pair of adjoining tube banks into which tube sheet a plurality of aligned U-bends are fitted at their ends. The U-bends are positioned to connect each tube end in one bank with its mirror image tube end in the adjoining bank.
Claims4
A cross-over bundle for connecting in series the corresponding tubes in adjoining tube side passes in multiple pass shell and tube heat exchangers in which each pass includes a bank of tubes having center-to-center spacing between tubes only slightly greater than the tube diameter, the tubes in each bank terminating in a first tube sheet, comprising a second tube sheet co-extensive with the ends of adjoining tube banks, a plurality of tube U-bends having their ends fixed in said second tube sheet, and fastening means for holding said first and second tube sheets against each other so that the U-bends are positioned to connect each tube end in one bank with its mirror image tube end in the adjoining bank.
Dependencies are inferred from the claim text.