Acoustic noise control in heating or cooling systems
US8151931B2 · kind B2 · utility
5Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2010 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Jun 18, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A heating or cooling system comprising a powered fan held in a duct assembly. The powered fan generates acoustic noise when blowing air. The system also comprises an acoustic wave modulator held in the duct assembly. The acoustic wave modulator has one or more fins and is configured to reduce turbulence of the air traveling through the duct assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.