Hollow space aerating device
US8298057B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 6, 2006 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | May 10, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/5806
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a simple hollow space, in particular a channel, a cellar or a living room, aerating device (10) comprising several paddles (12) which are fixed to a hub (14) and surrounded by a fan housing (16) provided with input and output (17, 18) sides and a motor (20) which is mounted on the axis of rotation (15) of the hub (14) for driving the hub (14) and the paddles (12). According to said invention, a cover arrangement (30; 40) can be positioned on the output side (17) in such a way that a part thereof is covered, wherein said cover arrangement (30; 40) is provided with at least one opening (34-36; 44, 45) for connecting to a respective discharge hose (37-39; 47, 48).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.