Method of manufacturing spiral heat exchanger tubes with an external fin
US5092038A · kind A · utility
13Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1990 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Nov 21, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49382
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An improved heat exchanger tube is provided in which the tube has one or more paralleled integral spirals formed in the tube wall providing on the exterior surface one or more convoluted spiral recesses of selected pitch, and fin members affixed to the spiral tube providing a tube having greatly increased external surface area, per unit of length and a convoluted, laminar flow breaking, interior surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.