Fan and fan housing which drains moisture in the fan housing
US8186974B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2009 |
| Grant date | May 29, 2012 |
| Priority date | — |
| Expiry date | Oct 14, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D25/08
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan includes a fan housing, a motor and an impeller. The fan housing includes a first pressure area, a second pressure area and a guiding portion. The pressure of the first pressure area is higher than the pressure of the second pressure area. The guiding portion has a first end and a second end, the first end of the guiding portion is disposed at the first pressure area and the second end of the guiding portion is disposed at the second pressure area for draining moisture gathered in the fan housing away from the first pressure area to the second pressure area. The motor is disposed in the fan housing, and the impeller is connected with the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.