Fan configured to produce pink noise
US11156232B2 · kind B2 · utility
0Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2019 |
| Grant date | Oct 26, 2021 |
| Priority date | — |
| Expiry date | May 15, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K15/04
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan is provided that includes a fan blade movable relative to a housing. The housing and the fan blade are configured such that the fan generates a pink noise sound profile both when air is exiting the fan housing through an air outlet vent and when air is not exiting the housing through the outlet air vent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.