Refrigerant cycling apparatus
US5186011A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 1992 |
| Grant date | Feb 16, 1993 |
| Priority date | — |
| Expiry date | Feb 18, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2400/23
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A refrigerant cycling apparatus, enclosing a non-azeotropic mixture including a low-boiling point refrigerant and a low-boiling point refrigerant, includes: a first compressor; a second compressor, a suction pipe of which is connected with a discharge pipe of the first compressor; a fractionating/separating device, the discharge pipe of the first compressor being connected with one of a top portion and a middle portion of the fractionating/separating device, the suction pipe of the first compressor being connected with the top portion of the fractionating/separating device, the discharge pipe of the second compressor being connected with one of the middle portion and a bottom portion of the fractionating/separating device, the suction pipe of the second compressor being connected with the bottom portion of the fractionating/separating device; a first pressure reducing device provided between the top portion of the fractionating/separating device and the suction pipe of the first compressor; a first vaporizing device provided between the first pressure reducing device and the suction pipe of the first compressor to vaporize the refrigerant; a second pressure reducing device provided…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.