Ventilating device
US8784075B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2004 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Jan 17, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K9/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A ventilation device is disclosed including a fan capable of being driven rotationally by an open electric motor which is firmly attached to a support intended for fixing said ventilation device, the fan having a plurality of blades which are distributed regularly around a bowl inside which there are arranged internal ribs capable of ventilating the open electric motor. Notably, the support includes a central part which is connected in a substantially sealed manner to at least one peripheral portion of the open electric motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.