Method and apparatus relating to heat exchangers
US4926933A · kind A · utility
15Cited by
5References
1Claims
0Family size
Inventor
Key dates
| Filing date | Nov 16, 1987 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Nov 16, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S165/905
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A heat exchanger element in the form of a cylindrical tube with an integral external helical fin extending along at least the major part of the tube length; the integral finned tube being formed by an extrusion or injection moulding process from a rigid setting plastics material. The invention includes heat exchangers incorporating or formed by the heat exchanger elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.