Compressor discharge gas sound attenuation
US4988269A · kind A · utility
11Cited by
6References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 8, 1990 |
| Grant date | Jan 29, 1991 |
| Priority date | — |
| Expiry date | Feb 8, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S417/902
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A hermetic motor-compresosr having separate discharge cavities in the compressor body for each pumping cylinder, a common discharge gas plenum for the entire compressor, and an impedance tube between each cavity and said plenum, thereby signficantly improving the sound attentuation of discharge gas pulses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.