Heating pumping installation, in particular with a refrigeration function
US6397621B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2000 |
| Grant date | Jun 4, 2002 |
| Priority date | — |
| Expiry date | Oct 24, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B1/053
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The refrigeration cycle uses an evaporation zone prior to compression and a condensation zone after the latter, in which the thermodynamic fluid used in the cycle as well as the fluid used in the cold-exchange and heat-exchange cycles is water. The installation is operated on the basis of dynamic compression in two separate compression stages linked to one another by at least one zone with de-superheating and enclosed in a hermetically sealed and heat-insulated enclosure confining the vapor at very low pressure; the wheels of these two stages are mounted directly on the opposite ends of the shaft of a common, sealed, variable speed electric motor disposed inside the enclosure between these stages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.