Multiple piece tube assembly for use in heat exchangers
US4805693A · kind A · utility
59Cited by
24References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 20, 1986 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | Nov 20, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49384
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An internally finned multiple piece tube for use in a heat exchanger including an elongated fin 28, a first, elongated, C-shaped channel 24 having a first base 34 and spaced first legs 36, and a second, elongated C-shaped channel 26 having a second base 38 and spaced second legs 40. The fin 28 and the second channel 26 are nested in the first channel 24 between the first legs 36 thereof such that the fin 28 is sandwiched between and engaged by both the first and second bases 34 and 38 with the first legs 36 extending around and behind the second legs 40 to hold the tube 20 in assembled relation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.