High efficiency axial fan
US11821436B2 · kind B2 · utility
0Cited by
33References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2022 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | May 27, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2250/712
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A condenser fan includes a lock hub and multiple blades that are fastened to the hub. Each of the blades includes six planes, each of which having variable parameters including pitch angle, sickle, chord length, and blade curve. For each embodiment of the evaporator fan, the blades are identically configured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.