Ventilation denoising device and ventilation denoising system
US9402333B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2015 |
| Grant date | Jul 26, 2016 |
| Priority date | — |
| Expiry date | Mar 3, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F2011/0006
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A ventilation denoising device that includes at least one ventilation module disposed with at least two air ducts inside, the air ducts are communicated end-to-end to form a circuitous air duct. The ventilation module is provided with a first ventilation opening communicated with one end of the air duct, and a second ventilation opening communicated with the other end of the air duct. Also disclosed is a ventilation denoising system equipped with the above mentioned ventilation denoising device. The ventilation denoising device can be installed outside equipments, such as a machine cabinet, as ventilation means thereof, and also reduce the noise generated during the equipment operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.