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AB Zander & Ingestrom Patents |
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Assignee: AB Zander & Ingestrom
Address: Stockholm, SE
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4589481 |
Tube heat exchanger |
May 20, 1986 |
| In a tube heat exchanger, each tube in a set has a non-round cross-section and two or more ridges extending helically around the tube's center line for keeping the center lines of the tubes at defined distances from each other, some of the tubes (14) being arranged so that the distance b |
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