Centrifugal blower unit having swirl chamber, and electronic apparatus equipped with centrifugal blower unit
US6917521B2 · kind B2 · utility
9Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2002 |
| Grant date | Jul 12, 2005 |
| Priority date | — |
| Expiry date | Feb 13, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An electronic apparatus is provided with a housing containing a heat generating component, and a blower unit contained in the housing and used to cool the heat generating component. The blower unit includes an impeller, and a casing containing the impeller. The casing has suction ports, a chamber located around the impeller and a discharge port located at the downstream end of the chamber. The chamber has a depth gradually increased radially away from the impeller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.