Motorized ventilation device with an impeller for a motor vehicle
US12088181B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2019 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Oct 15, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/14
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A motorized ventilation device for a motor vehicle, comprising an impeller (1) free to rotate about an axis (X) and formed by a cup (2), on which blades (3) are disposed, a bell cap (6) of an electric motor partly housed inside the cup (2), a centrifugal device (8) disposed between the cup (2) and the bell cap (6) and configured to guide and to accelerate an air flow (F2). The cup (2) comprises at least one opening (20, 27) for the passage of the air flow (F2) and the bell cap (6) comprises at least one orifice (65, 66, 67) for the passage of the air flow (F2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.