Air conditioning system having compressor-expander in pressurized closed loop system with solar assist and thermal storage
US4064705A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1976 |
| Grant date | Dec 27, 1977 |
| Priority date | — |
| Expiry date | Oct 26, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2400/14
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An air conditioning system for an enclosed space, capable of operating as a heat pump in the winter and as a refrigerator in the summer, of the type employing a unitary compressor and expander having a common rotor with vanes defining enclosed compartments for positive compression and expansion of air. An indoor heat exchanger and outdoor heat exchanger are provided with one being connected between the outlet port of the compressor and the inlet port of the expander and the other being connected from the outlet port of the expander to the inlet port of the compressor thereby to complete a loop which is charged with air. Valves are interposed for effectively interchanging the connections of the heat exchangers so that the indoor heat exchanger is used for warming in winter and cooling in summer. The outdoor heat exchanger is in the form of a solar-directed panel having a heat absorption surface and air passages for convection cooling. Means are provided for exposing the heat absorption surface and closing the air passages in the winter and for shielding the absorption surface and opening the air passages in the summer. A cold storage device is provided to serve as a heat source and …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.