Double suction fan and air conditioner having the same
US11525455B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2019 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | May 6, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D17/162
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A double suction fan includes first and second rings spaced at a predetermined distance apart from and in parallel to each other, an intermediate plate disposed between the first and second rings and including a shaft hole, a plurality of first blades disposed between the first ring and the intermediate plate, a plurality of second blades disposed between the second ring and the intermediate plate, and first and second rotating hubs disposed on both side surfaces of the intermediate plate, wherein each of the first and second rotating hubs is formed of a plurality of hub plates which are disposed perpendicular to the intermediate plate around the shaft hole, and wherein the plurality of hub plates are formed to evenly distribute air introduced through the first and second rings in a longitudinal direction of the plurality of first and second blades when the intermediate plate rotates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.