Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eugene Neal0
Kennieth Neal0
Eric Wilderson0
James Cunningham0
Date of Patent
May 8, 2018
Patent Application Number
15434787
Date Filed
February 16, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
A heat exchanger for transferring heat between two fluids consists of a shell surrounding at least two tube bundles attached at both ends to a tube header. Each of the tube bundles is constructed from a plurality of individual tubes that are twisted into identical helixes formed about a common helical axis. Because each individual tube is formed in the shape of a helix, rather than as a straight tube, thermal elongation of the individual tubes results in a considerably reduced axial force on the tube attachments and tube header. Use of multiple tube bundles wound with opposite twist direction improves spacing efficiency between tubes.
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