Suction unit
US11261881B2 · kind B2 · utility
1Cited by
15References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2016 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Oct 22, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/4206
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The suction unit comprises: a cover having an air inlet; a noise reduction part provided in the cover, arranged outside the air inlet and spaced therefrom; an impeller for flowing the air which has passed through the noise reduction part and then the air inlet; a motor having a rotating shaft connected to the impeller; a guide apparatus for guiding the flow of the air which has flown from the exit of the impeller; and a shaft coupling part coupled to the rotating shaft connected to the impeller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.