Air conditioning system having super-saturation for reduced driving requirement
US3967466A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 17, 1975 |
| Grant date | Jul 6, 1976 |
| Priority date | — |
| Expiry date | Mar 17, 1995 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B9/004
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An air conditioning unit having a driven rotor with a plurality of vanes and including a compressor portion and an expander portion, each having inlet and outlet ports, with a heat exchanger connected between the compressor outlet port and the expander inlet port. A non-condensing gas such as air is fed into the compressor inlet port, compressed, accompanied by a rise in temperature, cooled by the heat exchanger, and expanded back to substantially its initial pressure for discharge in the cold state at the expander outlet port, a non-condensing gas being defined as any gas which does not condense at the pressures and temperatures encountered in the unit. In accordance with the main feature of the present invention, means are provided for spraying into the non-condensing gas at the compressor inlet port an excess of finely divided droplets of a condensible additive fluid, having a high heat of vaporization, to super-saturate the gas, the droplets evaporating due to the temperature achieved in compression thereby absorbing heat of vaporization. This results in a reduction in temperature of the gas at the compressor outlet port thereby reducing the work required to compress the gas an…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.