Air conditioning apparatus
US5156014A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1991 |
| Grant date | Oct 20, 1992 |
| Priority date | — |
| Expiry date | Apr 18, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2500/01
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An air conditioning apparatus comprising: a single heat source device including a compressor, a reversing valve, an outdoor heat exchanger and an accumulator; a plurality of indoor units including indoor heat exchangers and first flow controllers; a first main pipe and a second main pipe for connecting between the heat source device and the indoor units; a first branch joint which can selectively connect one end of the indoor heat exchanger of each indor unit to either one of the first main pipe and the second main pipe; a second branch joint which is connected to the other end of the indoor heat exchanger of each indoor unit through the first flow controllers, and which is also connected to the second main pipe through a second flow controller; the first branch joint and the second branch joint being connected together through the second flow controller; the second branch joint being connected to the first main pipe through a fourth flow controller; a junction device which includes the first branch joint, the second flow controller, the fourth flow controller and the second branch joint, and which is interposed between the heat source device and the indoor units; and the first mai…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.