Integrated resonator and filter apparatus
US5792247A · kind A · utility
288Cited by
29References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 1996 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Apr 26, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/21
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In integral filter and resonator apparatus includes filter elements positioned upstream of a Helmholtz resonator. The first embodiment includes filter elements positioned side by side within the housing. Other embodiments include a filter element with a tube which curves slightly downstream from the element. Another embodiment includes coupled chambers for attenuating the noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.