Compressor sound suppression
US8021126B2 · kind B2 · utility
5Cited by
11References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 2004 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Dec 24, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49238
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A compressor has first and second enmeshed rotors: rotating about first and second axes. The first rotor is supported by a bearing system carried by a bearing case. The bearing case has at least a first port to a discharge plenum. A first sound-absorbing material is positioned within the first port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.