Method and apparatus for controlling beats and minimizing pulsation effects in multiple compressor installations
US6018957A · kind A · utility
20Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1998 |
| Grant date | Feb 1, 2000 |
| Priority date | — |
| Expiry date | Dec 7, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In a refrigeration or air conditioning system employing two positive displacement compressors, one compressor has its speed controlled to exactly match the speed of the other compressor whereby beats between pressure pulsations, structural vibrations and radiated sound are minimized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.