Thinned heat dissipation fan with core reversely installed
US9631638B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2014 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Oct 15, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/626
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A thinned heat dissipation fan with core reversely installed includes: a base including a bottom plate and a lateral wall formed at the periphery of the bottom plate; a circuit unit disposed on the bottom plate; a core welded in a core welding hole formed on the bottom plate of the base or welded in a core welding hole of a sleeve seat fastened on the base; and a rotor set including a hub, a plurality of blades disposed at the periphery of the hub, a bearing module and a permanent magnet disposed at the inner sides of the plural blades, wherein the hub is formed with a bearing opening, the bearing module is fastened in the bearing opening, and the core is inserted in the bearing module. The above-mentioned welding means is preferably to be a laser welding means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.