Fan design with an impact absorbing structure
US10837460B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2018 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Jan 15, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/703
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The present invention is related to anAn improved fan design with an impact absorbing structure is disclosed. In one example embodiment, the improved fan design may include a lower fan assembly connected to an upper fan assembly using a mounting bracket. The lower fan assembly may include a fan base having multiple supporting legs which are rotatably connected to the lower fan assembly. The upper fan assembly may include a fan motor and fan blades enclosed within a protective structure. In one embodiment, the protective structure of the present invention may include an outer fan cover, a fan grille, an external cage, and a perimeter shock absorbing ring extending around the the outer fan cover. According to another aspect, the perimeter shock absorbing ring may include an inner surface, an inner absorption layer, and an outer surface. The inner absorption layer may optionally include one or more flexible ribs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.