Unfurlable heat pipe
US4212347A · kind A · utility
36Cited by
5References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1978 |
| Grant date | Jul 15, 1980 |
| Priority date | — |
| Expiry date | Dec 20, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49366
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A heat pipe which can be rolled up for storage and automatically deploys when heat is applied. Two highly flexible parallel sheets are bonded together at their edges, thus permitting compact rolled storage. The inside portions of the joined edges form creases which act as capillary channels to move the heat exchange liquid from the condenser to the evaporator. A further embodiment involves multiple longitudinal cells which yield many more capillary channels and increases the structural strength of the deployed heat pipe, while maintaining the large surface area for heat transfer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.