Carbon dioxide overlapping type heating system, and control method therefor
US12173945B2 · kind B2 · utility
0Cited by
0References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2019 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Sep 11, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A carbon dioxide overlapping type heating system and a control method therefor, in which the heating system includes a low-temperature-stage loop, high-temperature-stage loop and a heating loop, in which a temperature-stage compressor (3) and a high-temperature-stage compressor (7) are both variable-frequency compressors; and a water pump (10) is a variable-frequency water pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.