Rotor structure of fan and manufacturing method thereof
US9568008B2 · kind B2 · utility
5Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2013 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Jul 23, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/263
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A rotor structure of a fan includes a bushing, a hub, a shaft and a plurality of blades. The hub has a top portion and a sidewall, and the top portion of the hub covers the bushing. The hub and the bushing are made by the same material. One end of the shaft is connected to the bushing, and the shaft is disposed inside the top portion. The blades are disposed on the outer side of the sidewall of the hub. A manufacturing method of the rotor structure is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.