Two-passage pipe, especially for air conditioning installations
US4120347A · kind A · utility
5Cited by
3References
3Claims
0Family size
Inventor
Key dates
| Filing date | Oct 4, 1976 |
| Grant date | Oct 17, 1978 |
| Priority date | — |
| Expiry date | Oct 4, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F13/0218
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A two-passage conductor, especially for conveying air in air conditioning installations, which includes a pipe having a flexible air impermeable diaphragm fastened to the pipe along diametrically oppositely located longitudinally extending sections of the pipe which are located substantially in the central longitudinal plane of the pipe, whereby the pipe is subdivided into two passages arranged alongside each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.