Heat transfer tube with multiple enhancements
AssigneeBrazeway, Inc.
InventorsScot Reagen, Matt Baker, Dave W. Skrzypchak, Gary Wolfe, Chen-Yu Lin
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Abstract
A heat transfer tube including an inner surface including a plurality of grooves. The plurality of grooves includes at least primary grooves and secondary grooves, wherein the primary grooves extend axially along a length of the tube, and the secondary grooves intersect the primary grooves.
Claims19
A heat transfer tube, comprising an inner surface including a plurality of grooves, the plurality of grooves including at least primary grooves and secondary grooves, wherein the primary grooves extend along a length of the tube, and the secondary grooves intersect the primary grooves.
The heat transfer tube of claim 4, wherein the tertiary grooves intersect the secondary grooves.
A method of forming a heat transfer tube, comprising:
- extruding a tube including a plurality of axial primary grooves on an inner surface thereof;
- forming a plurality of secondary grooves on the inner surface using a first forming tool,
- wherein the secondary grooves intersect the primary grooves.
Dependencies are inferred from the claim text.