Tube assembly for auxiliary heating and air conditioning system
US6009908A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Oct 30, 1997 |
| Grant date | Jan 4, 2000 |
| Priority date | — |
| Expiry date | Oct 30, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28D7/106
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tube assembly for an auxiliary heating and air conditioning system includes an inner tube extending longitudinally, an outer tube extending longitudinally and disposed over the inner tube, the outer tube including a plurality of ribs for locating the inner tube approximately concentric to the outer tube, at least one connector tube, and at least one connector interconnecting the at least one connector tube and the outer tube to allow fluid flow between the inner tube and the outer tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.